Add m-esr52 at 52.6.0

4 files changed, 23991 insertions, 0 deletions

diff --git a/python/pyyaml/ext/_yaml.c b/python/pyyaml/ext/_yaml.c
new file mode 100644
index 000000000..f4a5bc524
--- /dev/null
+++ b/python/pyyaml/ext/_yaml.c
@@ -0,0 +1,22190 @@
+/* Generated by Cython 0.20.1 on Wed Mar 26 13:55:16 2014 */
+
+#define PY_SSIZE_T_CLEAN
+#ifndef CYTHON_USE_PYLONG_INTERNALS
+#ifdef PYLONG_BITS_IN_DIGIT
+#define CYTHON_USE_PYLONG_INTERNALS 0
+#else
+#include "pyconfig.h"
+#ifdef PYLONG_BITS_IN_DIGIT
+#define CYTHON_USE_PYLONG_INTERNALS 1
+#else
+#define CYTHON_USE_PYLONG_INTERNALS 0
+#endif
+#endif
+#endif
+#include "Python.h"
+#ifndef Py_PYTHON_H
+    #error Python headers needed to compile C extensions, please install development version of Python.
+#elif PY_VERSION_HEX < 0x02040000
+    #error Cython requires Python 2.4+.
+#else
+#define CYTHON_ABI "0_20_1"
+#include <stddef.h> /* For offsetof */
+#ifndef offsetof
+#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
+#endif
+#if !defined(WIN32) && !defined(MS_WINDOWS)
+  #ifndef __stdcall
+    #define __stdcall
+  #endif
+  #ifndef __cdecl
+    #define __cdecl
+  #endif
+  #ifndef __fastcall
+    #define __fastcall
+  #endif
+#endif
+#ifndef DL_IMPORT
+  #define DL_IMPORT(t) t
+#endif
+#ifndef DL_EXPORT
+  #define DL_EXPORT(t) t
+#endif
+#ifndef PY_LONG_LONG
+  #define PY_LONG_LONG LONG_LONG
+#endif
+#ifndef Py_HUGE_VAL
+  #define Py_HUGE_VAL HUGE_VAL
+#endif
+#ifdef PYPY_VERSION
+#define CYTHON_COMPILING_IN_PYPY 1
+#define CYTHON_COMPILING_IN_CPYTHON 0
+#else
+#define CYTHON_COMPILING_IN_PYPY 0
+#define CYTHON_COMPILING_IN_CPYTHON 1
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+#define Py_OptimizeFlag 0
+#endif
+#if PY_VERSION_HEX < 0x02050000
+  typedef int Py_ssize_t;
+  #define PY_SSIZE_T_MAX INT_MAX
+  #define PY_SSIZE_T_MIN INT_MIN
+  #define PY_FORMAT_SIZE_T ""
+  #define CYTHON_FORMAT_SSIZE_T ""
+  #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
+  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_As_int(o)
+  #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
+                                (PyErr_Format(PyExc_TypeError, \
+                                              "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
+                                 (PyObject*)0))
+  #define __Pyx_PyIndex_Check(o) (PyNumber_Check(o) && !PyFloat_Check(o) && \
+                                  !PyComplex_Check(o))
+  #define PyIndex_Check __Pyx_PyIndex_Check
+  #define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
+  #define __PYX_BUILD_PY_SSIZE_T "i"
+#else
+  #define __PYX_BUILD_PY_SSIZE_T "n"
+  #define CYTHON_FORMAT_SSIZE_T "z"
+  #define __Pyx_PyIndex_Check PyIndex_Check
+#endif
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
+  #define Py_TYPE(ob)   (((PyObject*)(ob))->ob_type)
+  #define Py_SIZE(ob)   (((PyVarObject*)(ob))->ob_size)
+  #define PyVarObject_HEAD_INIT(type, size) \
+          PyObject_HEAD_INIT(type) size,
+  #define PyType_Modified(t)
+  typedef struct {
+     void *buf;
+     PyObject *obj;
+     Py_ssize_t len;
+     Py_ssize_t itemsize;
+     int readonly;
+     int ndim;
+     char *format;
+     Py_ssize_t *shape;
+     Py_ssize_t *strides;
+     Py_ssize_t *suboffsets;
+     void *internal;
+  } Py_buffer;
+  #define PyBUF_SIMPLE 0
+  #define PyBUF_WRITABLE 0x0001
+  #define PyBUF_FORMAT 0x0004
+  #define PyBUF_ND 0x0008
+  #define PyBUF_STRIDES (0x0010 | PyBUF_ND)
+  #define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
+  #define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
+  #define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
+  #define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
+  #define PyBUF_RECORDS (PyBUF_STRIDES | PyBUF_FORMAT | PyBUF_WRITABLE)
+  #define PyBUF_FULL (PyBUF_INDIRECT | PyBUF_FORMAT | PyBUF_WRITABLE)
+  typedef int (*getbufferproc)(PyObject *, Py_buffer *, int);
+  typedef void (*releasebufferproc)(PyObject *, Py_buffer *);
+#endif
+#if PY_MAJOR_VERSION < 3
+  #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+  #define __Pyx_DefaultClassType PyClass_Type
+#else
+  #define __Pyx_BUILTIN_MODULE_NAME "builtins"
+  #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
+          PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+  #define __Pyx_DefaultClassType PyType_Type
+#endif
+#if PY_VERSION_HEX < 0x02060000
+  #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define Py_TPFLAGS_CHECKTYPES 0
+  #define Py_TPFLAGS_HAVE_INDEX 0
+#endif
+#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
+  #define Py_TPFLAGS_HAVE_NEWBUFFER 0
+#endif
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_TPFLAGS_HAVE_VERSION_TAG 0
+#endif
+#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TPFLAGS_IS_ABSTRACT)
+  #define Py_TPFLAGS_IS_ABSTRACT 0
+#endif
+#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
+  #define Py_TPFLAGS_HAVE_FINALIZE 0
+#endif
+#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
+  #define CYTHON_PEP393_ENABLED 1
+  #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
+                                              0 : _PyUnicode_Ready((PyObject *)(op)))
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
+  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
+  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
+#else
+  #define CYTHON_PEP393_ENABLED 0
+  #define __Pyx_PyUnicode_READY(op)       (0)
+  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
+  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
+  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
+#else
+  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
+      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
+#endif
+#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
+#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
+#else
+  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define PyBaseString_Type            PyUnicode_Type
+  #define PyStringObject               PyUnicodeObject
+  #define PyString_Type                PyUnicode_Type
+  #define PyString_Check               PyUnicode_Check
+  #define PyString_CheckExact          PyUnicode_CheckExact
+#endif
+#if PY_VERSION_HEX < 0x02060000
+  #define PyBytesObject                PyStringObject
+  #define PyBytes_Type                 PyString_Type
+  #define PyBytes_Check                PyString_Check
+  #define PyBytes_CheckExact           PyString_CheckExact
+  #define PyBytes_FromString           PyString_FromString
+  #define PyBytes_FromStringAndSize    PyString_FromStringAndSize
+  #define PyBytes_FromFormat           PyString_FromFormat
+  #define PyBytes_DecodeEscape         PyString_DecodeEscape
+  #define PyBytes_AsString             PyString_AsString
+  #define PyBytes_AsStringAndSize      PyString_AsStringAndSize
+  #define PyBytes_Size                 PyString_Size
+  #define PyBytes_AS_STRING            PyString_AS_STRING
+  #define PyBytes_GET_SIZE             PyString_GET_SIZE
+  #define PyBytes_Repr                 PyString_Repr
+  #define PyBytes_Concat               PyString_Concat
+  #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
+  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
+#else
+  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
+                                         PyString_Check(obj) || PyUnicode_Check(obj))
+  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
+#endif
+#if PY_VERSION_HEX < 0x02060000
+  #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
+  #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
+#endif
+#ifndef PySet_CheckExact
+  #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
+#endif
+#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+#if PY_MAJOR_VERSION >= 3
+  #define PyIntObject                  PyLongObject
+  #define PyInt_Type                   PyLong_Type
+  #define PyInt_Check(op)              PyLong_Check(op)
+  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
+  #define PyInt_FromString             PyLong_FromString
+  #define PyInt_FromUnicode            PyLong_FromUnicode
+  #define PyInt_FromLong               PyLong_FromLong
+  #define PyInt_FromSize_t             PyLong_FromSize_t
+  #define PyInt_FromSsize_t            PyLong_FromSsize_t
+  #define PyInt_AsLong                 PyLong_AsLong
+  #define PyInt_AS_LONG                PyLong_AS_LONG
+  #define PyInt_AsSsize_t              PyLong_AsSsize_t
+  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
+  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+  #define PyNumber_Int                 PyNumber_Long
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define PyBoolObject                 PyLongObject
+#endif
+#if PY_VERSION_HEX < 0x030200A4
+  typedef long Py_hash_t;
+  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
+#else
+  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
+  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
+#endif
+#if (PY_MAJOR_VERSION < 3) || (PY_VERSION_HEX >= 0x03010300)
+  #define __Pyx_PySequence_GetSlice(obj, a, b) PySequence_GetSlice(obj, a, b)
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) PySequence_SetSlice(obj, a, b, value)
+  #define __Pyx_PySequence_DelSlice(obj, a, b) PySequence_DelSlice(obj, a, b)
+#else
+  #define __Pyx_PySequence_GetSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), (PyObject*)0) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_GetSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object is unsliceable", (obj)->ob_type->tp_name), (PyObject*)0)))
+  #define __Pyx_PySequence_SetSlice(obj, a, b, value) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_SetSlice(obj, a, b, value)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice assignment", (obj)->ob_type->tp_name), -1)))
+  #define __Pyx_PySequence_DelSlice(obj, a, b) (unlikely(!(obj)) ? \
+        (PyErr_SetString(PyExc_SystemError, "null argument to internal routine"), -1) : \
+        (likely((obj)->ob_type->tp_as_mapping) ? (PySequence_DelSlice(obj, a, b)) : \
+            (PyErr_Format(PyExc_TypeError, "'%.200s' object doesn't support slice deletion", (obj)->ob_type->tp_name), -1)))
+#endif
+#if PY_MAJOR_VERSION >= 3
+  #define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
+#endif
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),((char *)(n)))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),((char *)(n)))
+#else
+  #define __Pyx_GetAttrString(o,n)   PyObject_GetAttrString((o),(n))
+  #define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
+  #define __Pyx_DelAttrString(o,n)   PyObject_DelAttrString((o),(n))
+#endif
+#if PY_VERSION_HEX < 0x02050000
+  #define __Pyx_NAMESTR(n) ((char *)(n))
+  #define __Pyx_DOCSTR(n)  ((char *)(n))
+#else
+  #define __Pyx_NAMESTR(n) (n)
+  #define __Pyx_DOCSTR(n)  (n)
+#endif
+#ifndef CYTHON_INLINE
+  #if defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+#ifndef CYTHON_RESTRICT
+  #if defined(__GNUC__)
+    #define CYTHON_RESTRICT __restrict__
+  #elif defined(_MSC_VER) && _MSC_VER >= 1400
+    #define CYTHON_RESTRICT __restrict
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_RESTRICT restrict
+  #else
+    #define CYTHON_RESTRICT
+  #endif
+#endif
+#ifdef NAN
+#define __PYX_NAN() ((float) NAN)
+#else
+static CYTHON_INLINE float __PYX_NAN() {
+  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
+   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
+   a quiet NaN. */
+  float value;
+  memset(&value, 0xFF, sizeof(value));
+  return value;
+}
+#endif
+
+
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_TrueDivide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceTrueDivide(x,y)
+#else
+  #define __Pyx_PyNumber_Divide(x,y)         PyNumber_Divide(x,y)
+  #define __Pyx_PyNumber_InPlaceDivide(x,y)  PyNumber_InPlaceDivide(x,y)
+#endif
+
+#ifndef __PYX_EXTERN_C
+  #ifdef __cplusplus
+    #define __PYX_EXTERN_C extern "C"
+  #else
+    #define __PYX_EXTERN_C extern
+  #endif
+#endif
+
+#if defined(WIN32) || defined(MS_WINDOWS)
+#define _USE_MATH_DEFINES
+#endif
+#include <math.h>
+#define __PYX_HAVE___yaml
+#define __PYX_HAVE_API___yaml
+#include "_yaml.h"
+#ifdef _OPENMP
+#include <omp.h>
+#endif /* _OPENMP */
+
+#ifdef PYREX_WITHOUT_ASSERTIONS
+#define CYTHON_WITHOUT_ASSERTIONS
+#endif
+
+#ifndef CYTHON_UNUSED
+# if defined(__GNUC__)
+#   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
+#     define CYTHON_UNUSED __attribute__ ((__unused__))
+#   else
+#     define CYTHON_UNUSED
+#   endif
+# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER))
+#   define CYTHON_UNUSED __attribute__ ((__unused__))
+# else
+#   define CYTHON_UNUSED
+# endif
+#endif
+typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
+                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
+
+#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
+#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
+#define __PYX_DEFAULT_STRING_ENCODING ""
+#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
+#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
+#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
+    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
+    (sizeof(type) > sizeof(Py_ssize_t) &&               \
+          likely(v < (type)PY_SSIZE_T_MAX ||            \
+                 v == (type)PY_SSIZE_T_MAX)  &&         \
+          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
+                                v == (type)PY_SSIZE_T_MIN)))  ||  \
+    (sizeof(type) == sizeof(Py_ssize_t) &&              \
+          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
+                               v == (type)PY_SSIZE_T_MAX)))  )
+static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
+static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
+#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
+#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
+#define __Pyx_PyBytes_FromString        PyBytes_FromString
+#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char*);
+#if PY_MAJOR_VERSION < 3
+    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
+    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
+#else
+    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
+    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
+#endif
+#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((char*)s)
+#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((char*)s)
+#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((char*)s)
+#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((char*)s)
+#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((char*)s)
+#if PY_MAJOR_VERSION < 3
+static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
+{
+    const Py_UNICODE *u_end = u;
+    while (*u_end++) ;
+    return u_end - u - 1;
+}
+#else
+#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
+#endif
+#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
+#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
+#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
+#define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
+#define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
+#else
+#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
+#endif
+#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
+#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+static int __Pyx_sys_getdefaultencoding_not_ascii;
+static int __Pyx_init_sys_getdefaultencoding_params(void) {
+    PyObject* sys = NULL;
+    PyObject* default_encoding = NULL;
+    PyObject* ascii_chars_u = NULL;
+    PyObject* ascii_chars_b = NULL;
+    sys = PyImport_ImportModule("sys");
+    if (sys == NULL) goto bad;
+    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
+    if (default_encoding == NULL) goto bad;
+    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
+        __Pyx_sys_getdefaultencoding_not_ascii = 0;
+    } else {
+        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
+        char ascii_chars[128];
+        int c;
+        for (c = 0; c < 128; c++) {
+            ascii_chars[c] = c;
+        }
+        __Pyx_sys_getdefaultencoding_not_ascii = 1;
+        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
+        if (ascii_chars_u == NULL) goto bad;
+        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
+        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
+            PyErr_Format(
+                PyExc_ValueError,
+                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
+                default_encoding_c);
+            goto bad;
+        }
+    }
+    Py_XDECREF(sys);
+    Py_XDECREF(default_encoding);
+    Py_XDECREF(ascii_chars_u);
+    Py_XDECREF(ascii_chars_b);
+    return 0;
+bad:
+    Py_XDECREF(sys);
+    Py_XDECREF(default_encoding);
+    Py_XDECREF(ascii_chars_u);
+    Py_XDECREF(ascii_chars_b);
+    return -1;
+}
+#endif
+#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
+#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
+#else
+#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
+#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
+static char* __PYX_DEFAULT_STRING_ENCODING;
+static int __Pyx_init_sys_getdefaultencoding_params(void) {
+    PyObject* sys = NULL;
+    PyObject* default_encoding = NULL;
+    char* default_encoding_c;
+    sys = PyImport_ImportModule("sys");
+    if (sys == NULL) goto bad;
+    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
+    if (default_encoding == NULL) goto bad;
+    default_encoding_c = PyBytes_AS_STRING(default_encoding);
+    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
+    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
+    Py_DECREF(sys);
+    Py_DECREF(default_encoding);
+    return 0;
+bad:
+    Py_XDECREF(sys);
+    Py_XDECREF(default_encoding);
+    return -1;
+}
+#endif
+#endif
+
+
+#ifdef __GNUC__
+  /* Test for GCC > 2.95 */
+  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
+    #define likely(x)   __builtin_expect(!!(x), 1)
+    #define unlikely(x) __builtin_expect(!!(x), 0)
+  #else /* __GNUC__ > 2 ... */
+    #define likely(x)   (x)
+    #define unlikely(x) (x)
+  #endif /* __GNUC__ > 2 ... */
+#else /* __GNUC__ */
+  #define likely(x)   (x)
+  #define unlikely(x) (x)
+#endif /* __GNUC__ */
+
+static PyObject *__pyx_m;
+static PyObject *__pyx_d;
+static PyObject *__pyx_b;
+static PyObject *__pyx_empty_tuple;
+static PyObject *__pyx_empty_bytes;
+static int __pyx_lineno;
+static int __pyx_clineno = 0;
+static const char * __pyx_cfilenm= __FILE__;
+static const char *__pyx_filename;
+
+
+static const char *__pyx_f[] = {
+  "_yaml.pyx",
+};
+
+/*--- Type declarations ---*/
+struct __pyx_obj_5_yaml_Mark;
+struct __pyx_obj_5_yaml_CParser;
+struct __pyx_obj_5_yaml_CEmitter;
+
+/* "_yaml.pyx":64
+ * MappingNode = yaml.nodes.MappingNode
+ * 
+ * cdef class Mark:             # <<<<<<<<<<<<<<
+ *     cdef readonly object name
+ *     cdef readonly int index
+ */
+struct __pyx_obj_5_yaml_Mark {
+  PyObject_HEAD
+  PyObject *name;
+  int index;
+  int line;
+  int column;
+  PyObject *buffer;
+  PyObject *pointer;
+};
+
+
+/* "_yaml.pyx":247
+ * #        self.style = style
+ * 
+ * cdef class CParser:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef yaml_parser_t parser
+ */
+struct __pyx_obj_5_yaml_CParser {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5_yaml_CParser *__pyx_vtab;
+  yaml_parser_t parser;
+  yaml_event_t parsed_event;
+  PyObject *stream;
+  PyObject *stream_name;
+  PyObject *current_token;
+  PyObject *current_event;
+  PyObject *anchors;
+  PyObject *stream_cache;
+  int stream_cache_len;
+  int stream_cache_pos;
+  int unicode_source;
+};
+
+
+/* "_yaml.pyx":935
+ *     return 1
+ * 
+ * cdef class CEmitter:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef yaml_emitter_t emitter
+ */
+struct __pyx_obj_5_yaml_CEmitter {
+  PyObject_HEAD
+  struct __pyx_vtabstruct_5_yaml_CEmitter *__pyx_vtab;
+  yaml_emitter_t emitter;
+  PyObject *stream;
+  int document_start_implicit;
+  int document_end_implicit;
+  PyObject *use_version;
+  PyObject *use_tags;
+  PyObject *serialized_nodes;
+  PyObject *anchors;
+  int last_alias_id;
+  int closed;
+  int dump_unicode;
+  PyObject *use_encoding;
+};
+
+
+
+/* "_yaml.pyx":247
+ * #        self.style = style
+ * 
+ * cdef class CParser:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef yaml_parser_t parser
+ */
+
+struct __pyx_vtabstruct_5_yaml_CParser {
+  PyObject *(*_parser_error)(struct __pyx_obj_5_yaml_CParser *);
+  PyObject *(*_scan)(struct __pyx_obj_5_yaml_CParser *);
+  PyObject *(*_token_to_object)(struct __pyx_obj_5_yaml_CParser *, yaml_token_t *);
+  PyObject *(*_parse)(struct __pyx_obj_5_yaml_CParser *);
+  PyObject *(*_event_to_object)(struct __pyx_obj_5_yaml_CParser *, yaml_event_t *);
+  PyObject *(*_compose_document)(struct __pyx_obj_5_yaml_CParser *);
+  PyObject *(*_compose_node)(struct __pyx_obj_5_yaml_CParser *, PyObject *, PyObject *);
+  PyObject *(*_compose_scalar_node)(struct __pyx_obj_5_yaml_CParser *, PyObject *);
+  PyObject *(*_compose_sequence_node)(struct __pyx_obj_5_yaml_CParser *, PyObject *);
+  PyObject *(*_compose_mapping_node)(struct __pyx_obj_5_yaml_CParser *, PyObject *);
+  int (*_parse_next_event)(struct __pyx_obj_5_yaml_CParser *);
+};
+static struct __pyx_vtabstruct_5_yaml_CParser *__pyx_vtabptr_5_yaml_CParser;
+
+
+/* "_yaml.pyx":935
+ *     return 1
+ * 
+ * cdef class CEmitter:             # <<<<<<<<<<<<<<
+ * 
+ *     cdef yaml_emitter_t emitter
+ */
+
+struct __pyx_vtabstruct_5_yaml_CEmitter {
+  PyObject *(*_emitter_error)(struct __pyx_obj_5_yaml_CEmitter *);
+  int (*_object_to_event)(struct __pyx_obj_5_yaml_CEmitter *, PyObject *, yaml_event_t *);
+  int (*_anchor_node)(struct __pyx_obj_5_yaml_CEmitter *, PyObject *);
+  int (*_serialize_node)(struct __pyx_obj_5_yaml_CEmitter *, PyObject *, PyObject *, PyObject *);
+};
+static struct __pyx_vtabstruct_5_yaml_CEmitter *__pyx_vtabptr_5_yaml_CEmitter;
+#ifndef CYTHON_REFNANNY
+  #define CYTHON_REFNANNY 0
+#endif
+#if CYTHON_REFNANNY
+  typedef struct {
+    void (*INCREF)(void*, PyObject*, int);
+    void (*DECREF)(void*, PyObject*, int);
+    void (*GOTREF)(void*, PyObject*, int);
+    void (*GIVEREF)(void*, PyObject*, int);
+    void* (*SetupContext)(const char*, int, const char*);
+    void (*FinishContext)(void**);
+  } __Pyx_RefNannyAPIStruct;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL;
+  static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); /*proto*/
+  #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL;
+#ifdef WITH_THREAD
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          if (acquire_gil) { \
+              PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure(); \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+              PyGILState_Release(__pyx_gilstate_save); \
+          } else { \
+              __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__); \
+          }
+#else
+  #define __Pyx_RefNannySetupContext(name, acquire_gil) \
+          __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__)
+#endif
+  #define __Pyx_RefNannyFinishContext() \
+          __Pyx_RefNanny->FinishContext(&__pyx_refnanny)
+  #define __Pyx_INCREF(r)  __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_DECREF(r)  __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GOTREF(r)  __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__)
+  #define __Pyx_XINCREF(r)  do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0)
+  #define __Pyx_XDECREF(r)  do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0)
+  #define __Pyx_XGOTREF(r)  do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0)
+  #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0)
+#else
+  #define __Pyx_RefNannyDeclarations
+  #define __Pyx_RefNannySetupContext(name, acquire_gil)
+  #define __Pyx_RefNannyFinishContext()
+  #define __Pyx_INCREF(r) Py_INCREF(r)
+  #define __Pyx_DECREF(r) Py_DECREF(r)
+  #define __Pyx_GOTREF(r)
+  #define __Pyx_GIVEREF(r)
+  #define __Pyx_XINCREF(r) Py_XINCREF(r)
+  #define __Pyx_XDECREF(r) Py_XDECREF(r)
+  #define __Pyx_XGOTREF(r)
+  #define __Pyx_XGIVEREF(r)
+#endif /* CYTHON_REFNANNY */
+#define __Pyx_XDECREF_SET(r, v) do {                            \
+        PyObject *tmp = (PyObject *) r;                         \
+        r = v; __Pyx_XDECREF(tmp);                              \
+    } while (0)
+#define __Pyx_DECREF_SET(r, v) do {                             \
+        PyObject *tmp = (PyObject *) r;                         \
+        r = v; __Pyx_DECREF(tmp);                               \
+    } while (0)
+#define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
+#define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
+
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro))
+        return tp->tp_getattro(obj, attr_name);
+#if PY_MAJOR_VERSION < 3
+    if (likely(tp->tp_getattr))
+        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
+#endif
+    return PyObject_GetAttr(obj, attr_name);
+}
+#else
+#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
+#endif
+
+static PyObject *__Pyx_GetBuiltinName(PyObject *name); /*proto*/
+
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
+
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); /*proto*/
+
+static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], \
+    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, \
+    const char* function_name); /*proto*/
+
+static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); /*proto*/
+#else
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+#endif
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
+
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
+
+static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name); /*proto*/
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); /*proto*/
+
+static CYTHON_INLINE int __Pyx_PySequence_Contains(PyObject* item, PyObject* seq, int eq) {
+    int result = PySequence_Contains(seq, item);
+    return unlikely(result < 0) ? result : (result == (eq == Py_EQ));
+}
+
+static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname);
+
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
+    PyListObject* L = (PyListObject*) list;
+    Py_ssize_t len = Py_SIZE(list);
+    if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) {
+        Py_INCREF(x);
+        PyList_SET_ITEM(list, len, x);
+        Py_SIZE(list) = len+1;
+        return 0;
+    }
+    return PyList_Append(list, x);
+}
+#else
+#define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
+#endif
+
+#if CYTHON_COMPILING_IN_CPYTHON
+#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o,n,NULL)
+static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_setattro))
+        return tp->tp_setattro(obj, attr_name, value);
+#if PY_MAJOR_VERSION < 3
+    if (likely(tp->tp_setattr))
+        return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value);
+#endif
+    return PyObject_SetAttr(obj, attr_name, value);
+}
+#else
+#define __Pyx_PyObject_DelAttrStr(o,n)   PyObject_DelAttr(o,n)
+#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v)
+#endif
+
+static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *); /*proto*/
+
+static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *); /*proto*/
+
+#include <string.h>
+
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals); /*proto*/
+
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals); /*proto*/
+
+#if PY_MAJOR_VERSION >= 3
+#define __Pyx_PyString_Equals __Pyx_PyUnicode_Equals
+#else
+#define __Pyx_PyString_Equals __Pyx_PyBytes_Equals
+#endif
+
+#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
+    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
+    __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) : \
+    (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) : \
+               __Pyx_GetItemInt_Generic(o, to_py_func(i))))
+#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
+    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
+    __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) : \
+    (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL))
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
+                                                              int wraparound, int boundscheck);
+#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck) \
+    (__Pyx_fits_Py_ssize_t(i, type, is_signed) ? \
+    __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) : \
+    (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL))
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
+                                                              int wraparound, int boundscheck);
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j);
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
+                                                     int is_list, int wraparound, int boundscheck);
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected);
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
+
+static CYTHON_INLINE int __Pyx_IterFinish(void); /*proto*/
+
+static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); /*proto*/
+
+static int __Pyx_SetVtable(PyObject *dict, void *vtable); /*proto*/
+
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); /*proto*/
+
+static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
+
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
+
+static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
+
+static int __Pyx_check_binary_version(void);
+
+typedef struct {
+    int code_line;
+    PyCodeObject* code_object;
+} __Pyx_CodeObjectCacheEntry;
+struct __Pyx_CodeObjectCache {
+    int count;
+    int max_count;
+    __Pyx_CodeObjectCacheEntry* entries;
+};
+static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL};
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line);
+static PyCodeObject *__pyx_find_code_object(int code_line);
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object);
+
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename); /*proto*/
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); /*proto*/
+
+
+/* Module declarations from '_yaml' */
+static PyTypeObject *__pyx_ptype_5_yaml_Mark = 0;
+static PyTypeObject *__pyx_ptype_5_yaml_CParser = 0;
+static PyTypeObject *__pyx_ptype_5_yaml_CEmitter = 0;
+static int __pyx_f_5_yaml_input_handler(void *, char *, int, int *); /*proto*/
+static int __pyx_f_5_yaml_output_handler(void *, char *, int); /*proto*/
+#define __Pyx_MODULE_NAME "_yaml"
+int __pyx_module_is_main__yaml = 0;
+
+/* Implementation of '_yaml' */
+static PyObject *__pyx_builtin_MemoryError;
+static PyObject *__pyx_builtin_AttributeError;
+static PyObject *__pyx_builtin_TypeError;
+static PyObject *__pyx_builtin_ValueError;
+static PyObject *__pyx_pf_5_yaml_get_version_string(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_2get_version(CYTHON_UNUSED PyObject *__pyx_self); /* proto */
+static int __pyx_pf_5_yaml_4Mark___init__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self, PyObject *__pyx_v_name, int __pyx_v_index, int __pyx_v_line, int __pyx_v_column, PyObject *__pyx_v_buffer, PyObject *__pyx_v_pointer); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_2get_snippet(CYTHON_UNUSED struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_4__str__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_4name___get__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_5index___get__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_4line___get__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_6column___get__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_6buffer___get__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_4Mark_7pointer___get__(struct __pyx_obj_5_yaml_Mark *__pyx_v_self); /* proto */
+static int __pyx_pf_5_yaml_7CParser___init__(struct __pyx_obj_5_yaml_CParser *__pyx_v_self, PyObject *__pyx_v_stream); /* proto */
+static void __pyx_pf_5_yaml_7CParser_2__dealloc__(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_4dispose(CYTHON_UNUSED struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_6raw_scan(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_8get_token(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_10peek_token(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_12check_token(struct __pyx_obj_5_yaml_CParser *__pyx_v_self, PyObject *__pyx_v_choices); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_14raw_parse(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_16get_event(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_18peek_event(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_20check_event(struct __pyx_obj_5_yaml_CParser *__pyx_v_self, PyObject *__pyx_v_choices); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_22check_node(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_24get_node(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_7CParser_26get_single_node(struct __pyx_obj_5_yaml_CParser *__pyx_v_self); /* proto */
+static int __pyx_pf_5_yaml_8CEmitter___init__(struct __pyx_obj_5_yaml_CEmitter *__pyx_v_self, PyObject *__pyx_v_stream, PyObject *__pyx_v_canonical, PyObject *__pyx_v_indent, PyObject *__pyx_v_width, PyObject *__pyx_v_allow_unicode, PyObject *__pyx_v_line_break, PyObject *__pyx_v_encoding, PyObject *__pyx_v_explicit_start, PyObject *__pyx_v_explicit_end, PyObject *__pyx_v_version, PyObject *__pyx_v_tags); /* proto */
+static void __pyx_pf_5_yaml_8CEmitter_2__dealloc__(struct __pyx_obj_5_yaml_CEmitter *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_8CEmitter_4dispose(CYTHON_UNUSED struct __pyx_obj_5_yaml_CEmitter *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_8CEmitter_6emit(struct __pyx_obj_5_yaml_CEmitter *__pyx_v_self, PyObject *__pyx_v_event_object); /* proto */
+static PyObject *__pyx_pf_5_yaml_8CEmitter_8open(struct __pyx_obj_5_yaml_CEmitter *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_8CEmitter_10close(struct __pyx_obj_5_yaml_CEmitter *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_5_yaml_8CEmitter_12serialize(struct __pyx_obj_5_yaml_CEmitter *__pyx_v_self, PyObject *__pyx_v_node); /* proto */
+static PyObject *__pyx_tp_new_5_yaml_Mark(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+static PyObject *__pyx_tp_new_5_yaml_CParser(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+static PyObject *__pyx_tp_new_5_yaml_CEmitter(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+static char __pyx_k__3[] = "?";
+static char __pyx_k__6[] = "";
+static char __pyx_k__7[] = "'";
+static char __pyx_k__8[] = "\"";
+static char __pyx_k__9[] = "|";
+static char __pyx_k_TAG[] = "TAG";
+static char __pyx_k__10[] = ">";
+static char __pyx_k__17[] = "\r";
+static char __pyx_k__18[] = "\n";
+static char __pyx_k__19[] = "\r\n";
+static char __pyx_k_tag[] = "tag";
+static char __pyx_k_YAML[] = "YAML";
+static char __pyx_k_file[] = "<file>";
+static char __pyx_k_line[] = "line";
+static char __pyx_k_main[] = "__main__";
+static char __pyx_k_name[] = "name";
+static char __pyx_k_read[] = "read";
+static char __pyx_k_tags[] = "tags";
+static char __pyx_k_test[] = "__test__";
+static char __pyx_k_yaml[] = "yaml";
+static char __pyx_k_class[] = "__class__";
+static char __pyx_k_error[] = "error";
+static char __pyx_k_index[] = "index";
+static char __pyx_k_major[] = "major";
+static char __pyx_k_minor[] = "minor";
+static char __pyx_k_nodes[] = "nodes";
+static char __pyx_k_patch[] = "patch";
+static char __pyx_k_style[] = "style";
+static char __pyx_k_utf_8[] = "utf-8";
+static char __pyx_k_value[] = "value";
+static char __pyx_k_width[] = "width";
+static char __pyx_k_write[] = "write";
+static char __pyx_k_anchor[] = "anchor";
+static char __pyx_k_buffer[] = "buffer";
+static char __pyx_k_column[] = "column";
+static char __pyx_k_events[] = "events";
+static char __pyx_k_id_03d[] = "id%03d";
+static char __pyx_k_import[] = "__import__";
+static char __pyx_k_indent[] = "indent";
+static char __pyx_k_parser[] = "parser";
+static char __pyx_k_reader[] = "reader";
+static char __pyx_k_stream[] = "stream";
+static char __pyx_k_strict[] = "strict";
+static char __pyx_k_tokens[] = "tokens";
+static char __pyx_k_yaml_2[] = "_yaml";
+static char __pyx_k_emitter[] = "emitter";
+static char __pyx_k_pointer[] = "pointer";
+static char __pyx_k_resolve[] = "resolve";
+static char __pyx_k_scanner[] = "scanner";
+static char __pyx_k_version[] = "version";
+static char __pyx_k_KeyToken[] = "KeyToken";
+static char __pyx_k_TagToken[] = "TagToken";
+static char __pyx_k_composer[] = "composer";
+static char __pyx_k_encoding[] = "encoding";
+static char __pyx_k_end_mark[] = "end_mark";
+static char __pyx_k_explicit[] = "explicit";
+static char __pyx_k_implicit[] = "implicit";
+static char __pyx_k_TypeError[] = "TypeError";
+static char __pyx_k_YAMLError[] = "YAMLError";
+static char __pyx_k_canonical[] = "canonical";
+static char __pyx_k_utf_16_be[] = "utf-16-be";
+static char __pyx_k_utf_16_le[] = "utf-16-le";
+static char __pyx_k_AliasEvent[] = "AliasEvent";
+static char __pyx_k_AliasToken[] = "AliasToken";
+static char __pyx_k_ScalarNode[] = "ScalarNode";
+static char __pyx_k_ValueError[] = "ValueError";
+static char __pyx_k_ValueToken[] = "ValueToken";
+static char __pyx_k_flow_style[] = "flow_style";
+static char __pyx_k_line_break[] = "line_break";
+static char __pyx_k_pyx_vtable[] = "__pyx_vtable__";
+static char __pyx_k_serializer[] = "serializer";
+static char __pyx_k_start_mark[] = "start_mark";
+static char __pyx_k_AnchorToken[] = "AnchorToken";
+static char __pyx_k_MappingNode[] = "MappingNode";
+static char __pyx_k_MemoryError[] = "MemoryError";
+static char __pyx_k_ParserError[] = "ParserError";
+static char __pyx_k_ReaderError[] = "ReaderError";
+static char __pyx_k_ScalarEvent[] = "ScalarEvent";
+static char __pyx_k_ScalarToken[] = "ScalarToken";
+static char __pyx_k_byte_string[] = "<byte string>";
+static char __pyx_k_constructor[] = "constructor";
+static char __pyx_k_get_version[] = "get_version";
+static char __pyx_k_representer[] = "representer";
+static char __pyx_k_EmitterError[] = "EmitterError";
+static char __pyx_k_ScannerError[] = "ScannerError";
+static char __pyx_k_SequenceNode[] = "SequenceNode";
+static char __pyx_k_explicit_end[] = "explicit_end";
+static char __pyx_k_BlockEndToken[] = "BlockEndToken";
+static char __pyx_k_ComposerError[] = "ComposerError";
+static char __pyx_k_allow_unicode[] = "allow_unicode";
+static char __pyx_k_too_many_tags[] = "too many tags";
+static char __pyx_k_AttributeError[] = "AttributeError";
+static char __pyx_k_DirectiveToken[] = "DirectiveToken";
+static char __pyx_k_FlowEntryToken[] = "FlowEntryToken";
+static char __pyx_k_StreamEndEvent[] = "StreamEndEvent";
+static char __pyx_k_StreamEndToken[] = "StreamEndToken";
+static char __pyx_k_explicit_start[] = "explicit_start";
+static char __pyx_k_unicode_string[] = "<unicode string>";
+static char __pyx_k_BlockEntryToken[] = "BlockEntryToken";
+static char __pyx_k_MappingEndEvent[] = "MappingEndEvent";
+static char __pyx_k_SerializerError[] = "SerializerError";
+static char __pyx_k_ascend_resolver[] = "ascend_resolver";
+static char __pyx_k_invalid_event_s[] = "invalid event %s";
+static char __pyx_k_no_parser_error[] = "no parser error";
+static char __pyx_k_ConstructorError[] = "ConstructorError";
+static char __pyx_k_DocumentEndEvent[] = "DocumentEndEvent";
+static char __pyx_k_DocumentEndToken[] = "DocumentEndToken";
+static char __pyx_k_RepresenterError[] = "RepresenterError";
+static char __pyx_k_SequenceEndEvent[] = "SequenceEndEvent";
+static char __pyx_k_StreamStartEvent[] = "StreamStartEvent";
+static char __pyx_k_StreamStartToken[] = "StreamStartToken";
+static char __pyx_k_descend_resolver[] = "descend_resolver";
+static char __pyx_k_no_emitter_error[] = "no emitter error";
+static char __pyx_k_second_occurence[] = "second occurence";
+static char __pyx_k_MappingStartEvent[] = "MappingStartEvent";
+static char __pyx_k_DocumentStartEvent[] = "DocumentStartEvent";
+static char __pyx_k_DocumentStartToken[] = "DocumentStartToken";
+static char __pyx_k_SequenceStartEvent[] = "SequenceStartEvent";
+static char __pyx_k_get_version_string[] = "get_version_string";
+static char __pyx_k_unknown_event_type[] = "unknown event type";
+static char __pyx_k_unknown_token_type[] = "unknown token type";
+static char __pyx_k_FlowMappingEndToken[] = "FlowMappingEndToken";
+static char __pyx_k_FlowSequenceEndToken[] = "FlowSequenceEndToken";
+static char __pyx_k_in_s_line_d_column_d[] = "  in \"%s\", line %d, column %d";
+static char __pyx_k_serializer_is_closed[] = "serializer is closed";
+static char __pyx_k_tag_must_be_a_string[] = "tag must be a string";
+static char __pyx_k_FlowMappingStartToken[] = "FlowMappingStartToken";
+static char __pyx_k_found_undefined_alias[] = "found undefined alias";
+static char __pyx_k_BlockMappingStartToken[] = "BlockMappingStartToken";
+static char __pyx_k_FlowSequenceStartToken[] = "FlowSequenceStartToken";
+static char __pyx_k_value_must_be_a_string[] = "value must be a string";
+static char __pyx_k_BlockSequenceStartToken[] = "BlockSequenceStartToken";
+static char __pyx_k_anchor_must_be_a_string[] = "anchor must be a string";
+static char __pyx_k_serializer_is_not_opened[] = "serializer is not opened";
+static char __pyx_k_a_string_value_is_expected[] = "a string value is expected";
+static char __pyx_k_but_found_another_document[] = "but found another document";
+static char __pyx_k_tag_handle_must_be_a_string[] = "tag handle must be a string";
+static char __pyx_k_tag_prefix_must_be_a_string[] = "tag prefix must be a string";
+static char __pyx_k_serializer_is_already_opened[] = "serializer is already opened";
+static char __pyx_k_root_src_pyyaml_ext__yaml_pyx[] = "/root/src/pyyaml/ext/_yaml.pyx";
+static char __pyx_k_a_string_or_stream_input_is_requ[] = "a string or stream input is required";
+static char __pyx_k_expected_a_single_document_in_th[] = "expected a single document in the stream";
+static char __pyx_k_found_duplicate_anchor_first_occ[] = "found duplicate anchor; first occurence";
+static PyObject *__pyx_n_s_AliasEvent;
+static PyObject *__pyx_n_s_AliasToken;
+static PyObject *__pyx_n_s_AnchorToken;
+static PyObject *__pyx_n_s_AttributeError;
+static PyObject *__pyx_n_s_BlockEndToken;
+static PyObject *__pyx_n_s_BlockEntryToken;
+static PyObject *__pyx_n_s_BlockMappingStartToken;
+static PyObject *__pyx_n_s_BlockSequenceStartToken;
+static PyObject *__pyx_n_s_ComposerError;
+static PyObject *__pyx_n_s_ConstructorError;
+static PyObject *__pyx_n_s_DirectiveToken;
+static PyObject *__pyx_n_s_DocumentEndEvent;
+static PyObject *__pyx_n_s_DocumentEndToken;
+static PyObject *__pyx_n_s_DocumentStartEvent;
+static PyObject *__pyx_n_s_DocumentStartToken;
+static PyObject *__pyx_n_s_EmitterError;
+static PyObject *__pyx_n_s_FlowEntryToken;
+static PyObject *__pyx_n_s_FlowMappingEndToken;
+static PyObject *__pyx_n_s_FlowMappingStartToken;
+static PyObject *__pyx_n_s_FlowSequenceEndToken;
+static PyObject *__pyx_n_s_FlowSequenceStartToken;
+static PyObject *__pyx_n_s_KeyToken;
+static PyObject *__pyx_n_s_MappingEndEvent;
+static PyObject *__pyx_n_s_MappingNode;
+static PyObject *__pyx_n_s_MappingStartEvent;
+static PyObject *__pyx_n_s_MemoryError;
+static PyObject *__pyx_n_s_ParserError;
+static PyObject *__pyx_n_s_ReaderError;
+static PyObject *__pyx_n_s_RepresenterError;
+static PyObject *__pyx_n_s_ScalarEvent;
+static PyObject *__pyx_n_s_ScalarNode;
+static PyObject *__pyx_n_s_ScalarToken;
+static PyObject *__pyx_n_s_ScannerError;
+static PyObject *__pyx_n_s_SequenceEndEvent;
+static PyObject *__pyx_n_s_SequenceNode;
+static PyObject *__pyx_n_s_SequenceStartEvent;
+static PyObject *__pyx_n_s_SerializerError;
+static PyObject *__pyx_n_s_StreamEndEvent;
+static PyObject *__pyx_n_s_StreamEndToken;
+static PyObject *__pyx_n_s_StreamStartEvent;
+static PyObject *__pyx_n_s_StreamStartToken;
+static PyObject *__pyx_n_u_TAG;
+static PyObject *__pyx_n_s_TagToken;
+static PyObject *__pyx_n_s_TypeError;
+static PyObject *__pyx_n_s_ValueError;
+static PyObject *__pyx_n_s_ValueToken;
+static PyObject *__pyx_n_u_YAML;
+static PyObject *__pyx_n_s_YAMLError;
+static PyObject *__pyx_kp_s__10;
+static PyObject *__pyx_kp_u__10;
+static PyObject *__pyx_kp_s__17;
+static PyObject *__pyx_kp_s__18;
+static PyObject *__pyx_kp_s__19;
+static PyObject *__pyx_kp_s__3;
+static PyObject *__pyx_kp_u__3;
+static PyObject *__pyx_kp_u__6;
+static PyObject *__pyx_kp_s__7;
+static PyObject *__pyx_kp_u__7;
+static PyObject *__pyx_kp_s__8;
+static PyObject *__pyx_kp_u__8;
+static PyObject *__pyx_kp_s__9;
+static PyObject *__pyx_kp_u__9;
+static PyObject *__pyx_kp_s_a_string_or_stream_input_is_requ;
+static PyObject *__pyx_kp_u_a_string_or_stream_input_is_requ;
+static PyObject *__pyx_kp_s_a_string_value_is_expected;
+static PyObject *__pyx_kp_u_a_string_value_is_expected;
+static PyObject *__pyx_n_s_allow_unicode;
+static PyObject *__pyx_n_s_anchor;
+static PyObject *__pyx_kp_s_anchor_must_be_a_string;
+static PyObject *__pyx_kp_u_anchor_must_be_a_string;
+static PyObject *__pyx_n_s_ascend_resolver;
+static PyObject *__pyx_n_s_buffer;
+static PyObject *__pyx_kp_s_but_found_another_document;
+static PyObject *__pyx_kp_u_but_found_another_document;
+static PyObject *__pyx_kp_s_byte_string;
+static PyObject *__pyx_kp_u_byte_string;
+static PyObject *__pyx_n_s_canonical;
+static PyObject *__pyx_n_s_class;
+static PyObject *__pyx_n_s_column;
+static PyObject *__pyx_n_s_composer;
+static PyObject *__pyx_n_s_constructor;
+static PyObject *__pyx_n_s_descend_resolver;
+static PyObject *__pyx_n_s_emitter;
+static PyObject *__pyx_n_s_encoding;
+static PyObject *__pyx_n_u_encoding;
+static PyObject *__pyx_n_s_end_mark;
+static PyObject *__pyx_n_s_error;
+static PyObject *__pyx_n_s_events;
+static PyObject *__pyx_kp_s_expected_a_single_document_in_th;
+static PyObject *__pyx_kp_u_expected_a_single_document_in_th;
+static PyObject *__pyx_n_s_explicit;
+static PyObject *__pyx_n_s_explicit_end;
+static PyObject *__pyx_n_s_explicit_start;
+static PyObject *__pyx_kp_s_file;
+static PyObject *__pyx_kp_u_file;
+static PyObject *__pyx_n_s_flow_style;
+static PyObject *__pyx_kp_s_found_duplicate_anchor_first_occ;
+static PyObject *__pyx_kp_u_found_duplicate_anchor_first_occ;
+static PyObject *__pyx_kp_s_found_undefined_alias;
+static PyObject *__pyx_kp_u_found_undefined_alias;
+static PyObject *__pyx_n_s_get_version;
+static PyObject *__pyx_n_s_get_version_string;
+static PyObject *__pyx_kp_u_id_03d;
+static PyObject *__pyx_n_s_implicit;
+static PyObject *__pyx_n_s_import;
+static PyObject *__pyx_kp_s_in_s_line_d_column_d;
+static PyObject *__pyx_n_s_indent;
+static PyObject *__pyx_n_s_index;
+static PyObject *__pyx_kp_s_invalid_event_s;
+static PyObject *__pyx_kp_u_invalid_event_s;
+static PyObject *__pyx_n_s_line;
+static PyObject *__pyx_n_s_line_break;
+static PyObject *__pyx_n_s_main;
+static PyObject *__pyx_n_s_major;
+static PyObject *__pyx_n_s_minor;
+static PyObject *__pyx_n_s_name;
+static PyObject *__pyx_kp_s_no_emitter_error;
+static PyObject *__pyx_kp_u_no_emitter_error;
+static PyObject *__pyx_kp_s_no_parser_error;
+static PyObject *__pyx_kp_u_no_parser_error;
+static PyObject *__pyx_n_s_nodes;
+static PyObject *__pyx_n_s_parser;
+static PyObject *__pyx_n_s_patch;
+static PyObject *__pyx_n_s_pointer;
+static PyObject *__pyx_n_s_pyx_vtable;
+static PyObject *__pyx_n_s_read;
+static PyObject *__pyx_n_s_reader;
+static PyObject *__pyx_n_s_representer;
+static PyObject *__pyx_n_s_resolve;
+static PyObject *__pyx_kp_s_root_src_pyyaml_ext__yaml_pyx;
+static PyObject *__pyx_n_s_scanner;
+static PyObject *__pyx_kp_s_second_occurence;
+static PyObject *__pyx_kp_u_second_occurence;
+static PyObject *__pyx_n_s_serializer;
+static PyObject *__pyx_kp_s_serializer_is_already_opened;
+static PyObject *__pyx_kp_u_serializer_is_already_opened;
+static PyObject *__pyx_kp_s_serializer_is_closed;
+static PyObject *__pyx_kp_u_serializer_is_closed;
+static PyObject *__pyx_kp_s_serializer_is_not_opened;
+static PyObject *__pyx_kp_u_serializer_is_not_opened;
+static PyObject *__pyx_n_s_start_mark;
+static PyObject *__pyx_n_s_stream;
+static PyObject *__pyx_n_s_style;
+static PyObject *__pyx_n_s_tag;
+static PyObject *__pyx_kp_s_tag_handle_must_be_a_string;
+static PyObject *__pyx_kp_u_tag_handle_must_be_a_string;
+static PyObject *__pyx_kp_s_tag_must_be_a_string;
+static PyObject *__pyx_kp_u_tag_must_be_a_string;
+static PyObject *__pyx_kp_s_tag_prefix_must_be_a_string;
+static PyObject *__pyx_kp_u_tag_prefix_must_be_a_string;
+static PyObject *__pyx_n_s_tags;
+static PyObject *__pyx_n_s_test;
+static PyObject *__pyx_n_s_tokens;
+static PyObject *__pyx_kp_s_too_many_tags;
+static PyObject *__pyx_kp_u_too_many_tags;
+static PyObject *__pyx_kp_s_unicode_string;
+static PyObject *__pyx_kp_u_unicode_string;
+static PyObject *__pyx_kp_s_unknown_event_type;
+static PyObject *__pyx_kp_u_unknown_event_type;
+static PyObject *__pyx_kp_s_unknown_token_type;
+static PyObject *__pyx_kp_u_unknown_token_type;
+static PyObject *__pyx_kp_s_utf_16_be;
+static PyObject *__pyx_kp_u_utf_16_be;
+static PyObject *__pyx_kp_s_utf_16_le;
+static PyObject *__pyx_kp_u_utf_16_le;
+static PyObject *__pyx_kp_u_utf_8;
+static PyObject *__pyx_n_s_value;
+static PyObject *__pyx_kp_s_value_must_be_a_string;
+static PyObject *__pyx_kp_u_value_must_be_a_string;
+static PyObject *__pyx_n_s_version;
+static PyObject *__pyx_n_s_width;
+static PyObject *__pyx_n_s_write;
+static PyObject *__pyx_n_s_yaml;
+static PyObject *__pyx_n_s_yaml_2;
+static PyObject *__pyx_int_0;
+static PyObject *__pyx_int_1;
+static PyObject *__pyx_tuple_;
+static PyObject *__pyx_tuple__2;
+static PyObject *__pyx_tuple__4;
+static PyObject *__pyx_tuple__5;
+static PyObject *__pyx_tuple__11;
+static PyObject *__pyx_tuple__12;
+static PyObject *__pyx_tuple__13;
+static PyObject *__pyx_tuple__14;
+static PyObject *__pyx_tuple__15;
+static PyObject *__pyx_tuple__16;
+static PyObject *__pyx_tuple__20;
+static PyObject *__pyx_tuple__21;
+static PyObject *__pyx_tuple__22;
+static PyObject *__pyx_tuple__23;
+static PyObject *__pyx_tuple__24;
+static PyObject *__pyx_tuple__25;
+static PyObject *__pyx_tuple__26;
+static PyObject *__pyx_tuple__27;
+static PyObject *__pyx_tuple__28;
+static PyObject *__pyx_tuple__29;
+static PyObject *__pyx_tuple__30;
+static PyObject *__pyx_tuple__31;
+static PyObject *__pyx_tuple__32;
+static PyObject *__pyx_tuple__33;
+static PyObject *__pyx_tuple__34;
+static PyObject *__pyx_tuple__35;
+static PyObject *__pyx_tuple__36;
+static PyObject *__pyx_tuple__37;
+static PyObject *__pyx_tuple__38;
+static PyObject *__pyx_tuple__39;
+static PyObject *__pyx_tuple__40;
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+            __Pyx_GOTREF(__pyx_t_9);
+            __Pyx_Raise(__pyx_t_9, 0, 0, 0);
+            __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
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+ *                             raise TypeError(u"tag handle must be a string")
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+          __Pyx_GOTREF(__pyx_t_9);
+          __Pyx_DECREF_SET(__pyx_v_prefix, __pyx_t_9);
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+          __pyx_t_4 = ((PY_MAJOR_VERSION < 3) != 0);
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+ *                     if not PyString_CheckExact(prefix):
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+            __Pyx_GOTREF(__pyx_t_9);
+            __Pyx_Raise(__pyx_t_9, 0, 0, 0);
+            __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+            {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1080; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+ *                             raise TypeError("tag prefix must be a string")
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+ *                             raise TypeError(u"tag prefix must be a string")             # <<<<<<<<<<<<<<
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+ *                     tag_directives_end = tag_directives_end+1
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+            __Pyx_GOTREF(__pyx_t_9);
+            __Pyx_Raise(__pyx_t_9, 0, 0, 0);
+            __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+            {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1082; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+ *                             raise TypeError(u"tag prefix must be a string")
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+ *             implicit = 1
+ */
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+        /* "_yaml.pyx":1084
+ *                             raise TypeError(u"tag prefix must be a string")
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+ *             if event_object.explicit:
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+      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
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+ *             if event_object.explicit:
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+ *             if event_object.explicit:             # <<<<<<<<<<<<<<
+ *                 implicit = 0
+ *             if yaml_document_start_event_initialize(event, version_directive,
+ */
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+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1086; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+ *                 raise MemoryError             # <<<<<<<<<<<<<<
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+      PyErr_NoMemory(); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1090; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+    goto __pyx_L3;
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+ *                 raise MemoryError
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+    __Pyx_GOTREF(__pyx_t_5);
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+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
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+ */
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+      goto __pyx_L21;
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+    goto __pyx_L3;
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+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
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+      __pyx_t_3 = __pyx_t_2;
+    } else {
+      __pyx_t_3 = __pyx_t_4;
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+
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+ *             elif style_object == "\"" or style_object == u"\"":             # <<<<<<<<<<<<<<
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+    if (!__pyx_t_3) {
+      __pyx_t_4 = (__Pyx_PyUnicode_Equals(__pyx_v_style_object, __pyx_kp_u__8, Py_EQ)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_2 = __pyx_t_4;
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+      __pyx_t_2 = __pyx_t_3;
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+      __pyx_v_scalar_style = YAML_DOUBLE_QUOTED_SCALAR_STYLE;
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+    /* "_yaml.pyx":1153
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+ *             elif style_object == "|" or style_object == u"|":             # <<<<<<<<<<<<<<
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+    if (!__pyx_t_2) {
+      __pyx_t_3 = (__Pyx_PyUnicode_Equals(__pyx_v_style_object, __pyx_kp_u__9, Py_EQ)); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __pyx_t_3;
+    } else {
+      __pyx_t_4 = __pyx_t_2;
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+
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+ *                 scalar_style = YAML_LITERAL_SCALAR_STYLE             # <<<<<<<<<<<<<<
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+ *                 scalar_style = YAML_FOLDED_SCALAR_STYLE
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+      __pyx_v_scalar_style = YAML_LITERAL_SCALAR_STYLE;
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+ *             elif style_object == "|" or style_object == u"|":
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+ *             elif style_object == ">" or style_object == u">":             # <<<<<<<<<<<<<<
+ *                 scalar_style = YAML_FOLDED_SCALAR_STYLE
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+ */
+    __pyx_t_4 = (__Pyx_PyString_Equals(__pyx_v_style_object, __pyx_kp_s__10, Py_EQ)); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!__pyx_t_4) {
+      __pyx_t_2 = (__Pyx_PyUnicode_Equals(__pyx_v_style_object, __pyx_kp_u__10, Py_EQ)); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __pyx_t_2;
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+      __pyx_t_3 = __pyx_t_4;
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+
+      /* "_yaml.pyx":1156
+ *                 scalar_style = YAML_LITERAL_SCALAR_STYLE
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+ *             if yaml_scalar_event_initialize(event, anchor, tag, value, length,
+ *                     plain_implicit, quoted_implicit, scalar_style) == 0:
+ */
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+      goto __pyx_L38;
+    }
+    __pyx_L38:;
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+ *                 scalar_style = YAML_FOLDED_SCALAR_STYLE
+ *             if yaml_scalar_event_initialize(event, anchor, tag, value, length,
+ *                     plain_implicit, quoted_implicit, scalar_style) == 0:             # <<<<<<<<<<<<<<
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+      /* "_yaml.pyx":1159
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+    }
+    goto __pyx_L3;
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+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_3 = (__pyx_v_event_class == __pyx_t_5);
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+  __pyx_t_4 = (__pyx_t_3 != 0);
+  if (__pyx_t_4) {
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+    /* "_yaml.pyx":1161
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+ *             if anchor_object is not None:
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+    __pyx_t_3 = (__pyx_t_4 != 0);
+    if (__pyx_t_3) {
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+      /* "_yaml.pyx":1164
+ *             anchor_object = event_object.anchor
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+ *                 if not PyString_CheckExact(anchor_object):
+ */
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+      if (__pyx_t_3) {
+
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+ */
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+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF_SET(__pyx_v_anchor_object, __pyx_t_5);
+        __pyx_t_5 = 0;
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+ *                 if not PyString_CheckExact(anchor_object):             # <<<<<<<<<<<<<<
+ *                     if PY_MAJOR_VERSION < 3:
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+      __pyx_t_3 = ((!(PyString_CheckExact(__pyx_v_anchor_object) != 0)) != 0);
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+
+        /* "_yaml.pyx":1167
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+ *                     if PY_MAJOR_VERSION < 3:             # <<<<<<<<<<<<<<
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+        __pyx_t_3 = ((PY_MAJOR_VERSION < 3) != 0);
+        if (__pyx_t_3) {
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+          /* "_yaml.pyx":1168
+ *                 if not PyString_CheckExact(anchor_object):
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+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
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+          __Pyx_GOTREF(__pyx_t_5);
+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1170; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+      }
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+      /* "_yaml.pyx":1171
+ *                     else:
+ *                         raise TypeError(u"anchor must be a string")
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+ *             tag = NULL
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+ */
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+      goto __pyx_L40;
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+    __pyx_L40:;
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+    /* "_yaml.pyx":1172
+ *                         raise TypeError(u"anchor must be a string")
+ *                 anchor = PyString_AS_STRING(anchor_object)
+ *             tag = NULL             # <<<<<<<<<<<<<<
+ *             tag_object = event_object.tag
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+ *                 anchor = PyString_AS_STRING(anchor_object)
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+ *             tag_object = event_object.tag             # <<<<<<<<<<<<<<
+ *             if tag_object is not None:
+ *                 if PyUnicode_CheckExact(tag_object):
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+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_v_tag_object = __pyx_t_5;
+    __pyx_t_5 = 0;
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+ *             tag = NULL
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+ *             if tag_object is not None:             # <<<<<<<<<<<<<<
+ *                 if PyUnicode_CheckExact(tag_object):
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+ */
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+    __pyx_t_4 = (__pyx_t_3 != 0);
+    if (__pyx_t_4) {
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+ *             tag_object = event_object.tag
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+ *                 if PyUnicode_CheckExact(tag_object):             # <<<<<<<<<<<<<<
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+ */
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+      if (__pyx_t_4) {
+
+        /* "_yaml.pyx":1176
+ *             if tag_object is not None:
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+ */
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+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF_SET(__pyx_v_tag_object, __pyx_t_5);
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+
+        /* "_yaml.pyx":1178
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+ *                     if PY_MAJOR_VERSION < 3:             # <<<<<<<<<<<<<<
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+        if (__pyx_t_4) {
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+          /* "_yaml.pyx":1179
+ *                 if not PyString_CheckExact(tag_object):
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+          __Pyx_GOTREF(__pyx_t_5);
+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1179; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
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+ *                         raise TypeError("tag must be a string")
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+          __Pyx_GOTREF(__pyx_t_5);
+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+      }
+
+      /* "_yaml.pyx":1182
+ *                     else:
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+ *             if event_object.implicit:
+ */
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+      goto __pyx_L44;
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+    __pyx_L44:;
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+ *                         raise TypeError(u"tag must be a string")
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+ *                 implicit = 1
+ *             sequence_style = YAML_BLOCK_SEQUENCE_STYLE
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+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1184; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+ */
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+      goto __pyx_L48;
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+ *             if event_object.flow_style:             # <<<<<<<<<<<<<<
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+    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_event_object, __pyx_n_s_flow_style); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_4 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1187; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+
+      /* "_yaml.pyx":1188
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+ *                     implicit, sequence_style) == 0:
+ */
+      __pyx_v_sequence_style = YAML_FLOW_SEQUENCE_STYLE;
+      goto __pyx_L49;
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+    __pyx_L49:;
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+ *                 sequence_style = YAML_FLOW_SEQUENCE_STYLE
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+ *                     implicit, sequence_style) == 0:             # <<<<<<<<<<<<<<
+ *                 raise MemoryError
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+ */
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+    if (__pyx_t_4) {
+
+      /* "_yaml.pyx":1191
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+ *                 raise MemoryError             # <<<<<<<<<<<<<<
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+      PyErr_NoMemory(); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1191; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
+    goto __pyx_L3;
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+ *                 raise MemoryError
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+  __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_MappingStartEvent); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1192; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_4 = (__pyx_v_event_class == __pyx_t_5);
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_3 = (__pyx_t_4 != 0);
+  if (__pyx_t_3) {
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+    /* "_yaml.pyx":1193
+ *                 raise MemoryError
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+ *             anchor_object = event_object.anchor             # <<<<<<<<<<<<<<
+ *             if anchor_object is not None:
+ *                 if PyUnicode_CheckExact(anchor_object):
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+    __pyx_v_anchor_object = __pyx_t_5;
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+ *             anchor = NULL
+ *             anchor_object = event_object.anchor
+ *             if anchor_object is not None:             # <<<<<<<<<<<<<<
+ *                 if PyUnicode_CheckExact(anchor_object):
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+    __pyx_t_3 = (__pyx_v_anchor_object != Py_None);
+    __pyx_t_4 = (__pyx_t_3 != 0);
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+ *             anchor_object = event_object.anchor
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+ *                     anchor_object = PyUnicode_AsUTF8String(anchor_object)
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+ */
+      __pyx_t_4 = (PyUnicode_CheckExact(__pyx_v_anchor_object) != 0);
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+        /* "_yaml.pyx":1197
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+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF_SET(__pyx_v_anchor_object, __pyx_t_5);
+        __pyx_t_5 = 0;
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+ *                 if not PyString_CheckExact(anchor_object):             # <<<<<<<<<<<<<<
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+      __pyx_t_4 = ((!(PyString_CheckExact(__pyx_v_anchor_object) != 0)) != 0);
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+        /* "_yaml.pyx":1199
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+ *                     if PY_MAJOR_VERSION < 3:             # <<<<<<<<<<<<<<
+ *                         raise TypeError("anchor must be a string")
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+ */
+        __pyx_t_4 = ((PY_MAJOR_VERSION < 3) != 0);
+        if (__pyx_t_4) {
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+ *                 if not PyString_CheckExact(anchor_object):
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+ *                         raise TypeError("anchor must be a string")             # <<<<<<<<<<<<<<
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+          __pyx_t_5 = __Pyx_PyObject_Call(__pyx_builtin_TypeError, __pyx_tuple__40, NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_5);
+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
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+ *                         raise TypeError(u"anchor must be a string")             # <<<<<<<<<<<<<<
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+          __Pyx_GOTREF(__pyx_t_5);
+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
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+ *                     else:
+ *                         raise TypeError(u"anchor must be a string")
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+ *             tag = NULL
+ *             tag_object = event_object.tag
+ */
+      __pyx_v_anchor = PyString_AS_STRING(__pyx_v_anchor_object);
+      goto __pyx_L51;
+    }
+    __pyx_L51:;
+
+    /* "_yaml.pyx":1204
+ *                         raise TypeError(u"anchor must be a string")
+ *                 anchor = PyString_AS_STRING(anchor_object)
+ *             tag = NULL             # <<<<<<<<<<<<<<
+ *             tag_object = event_object.tag
+ *             if tag_object is not None:
+ */
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+ *                 anchor = PyString_AS_STRING(anchor_object)
+ *             tag = NULL
+ *             tag_object = event_object.tag             # <<<<<<<<<<<<<<
+ *             if tag_object is not None:
+ *                 if PyUnicode_CheckExact(tag_object):
+ */
+    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_event_object, __pyx_n_s_tag); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1205; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_v_tag_object = __pyx_t_5;
+    __pyx_t_5 = 0;
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+    /* "_yaml.pyx":1206
+ *             tag = NULL
+ *             tag_object = event_object.tag
+ *             if tag_object is not None:             # <<<<<<<<<<<<<<
+ *                 if PyUnicode_CheckExact(tag_object):
+ *                     tag_object = PyUnicode_AsUTF8String(tag_object)
+ */
+    __pyx_t_4 = (__pyx_v_tag_object != Py_None);
+    __pyx_t_3 = (__pyx_t_4 != 0);
+    if (__pyx_t_3) {
+
+      /* "_yaml.pyx":1207
+ *             tag_object = event_object.tag
+ *             if tag_object is not None:
+ *                 if PyUnicode_CheckExact(tag_object):             # <<<<<<<<<<<<<<
+ *                     tag_object = PyUnicode_AsUTF8String(tag_object)
+ *                 if not PyString_CheckExact(tag_object):
+ */
+      __pyx_t_3 = (PyUnicode_CheckExact(__pyx_v_tag_object) != 0);
+      if (__pyx_t_3) {
+
+        /* "_yaml.pyx":1208
+ *             if tag_object is not None:
+ *                 if PyUnicode_CheckExact(tag_object):
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+ */
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+        __Pyx_GOTREF(__pyx_t_5);
+        __Pyx_DECREF_SET(__pyx_v_tag_object, __pyx_t_5);
+        __pyx_t_5 = 0;
+        goto __pyx_L56;
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+ *                 if PyUnicode_CheckExact(tag_object):
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+ *                 if not PyString_CheckExact(tag_object):             # <<<<<<<<<<<<<<
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+ */
+      __pyx_t_3 = ((!(PyString_CheckExact(__pyx_v_tag_object) != 0)) != 0);
+      if (__pyx_t_3) {
+
+        /* "_yaml.pyx":1210
+ *                     tag_object = PyUnicode_AsUTF8String(tag_object)
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+ *                     if PY_MAJOR_VERSION < 3:             # <<<<<<<<<<<<<<
+ *                         raise TypeError("tag must be a string")
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+ */
+        __pyx_t_3 = ((PY_MAJOR_VERSION < 3) != 0);
+        if (__pyx_t_3) {
+
+          /* "_yaml.pyx":1211
+ *                 if not PyString_CheckExact(tag_object):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("tag must be a string")             # <<<<<<<<<<<<<<
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+ *                         raise TypeError(u"tag must be a string")
+ */
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+          __Pyx_GOTREF(__pyx_t_5);
+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
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+ *                         raise TypeError("tag must be a string")
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+ *                         raise TypeError(u"tag must be a string")             # <<<<<<<<<<<<<<
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+ */
+          __pyx_t_5 = __Pyx_PyObject_Call(__pyx_builtin_TypeError, __pyx_tuple__43, NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+          __Pyx_GOTREF(__pyx_t_5);
+          __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+          __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+          {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        }
+      }
+
+      /* "_yaml.pyx":1214
+ *                     else:
+ *                         raise TypeError(u"tag must be a string")
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+ *             implicit = 0
+ *             if event_object.implicit:
+ */
+      __pyx_v_tag = PyString_AS_STRING(__pyx_v_tag_object);
+      goto __pyx_L55;
+    }
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+ *                         raise TypeError(u"tag must be a string")
+ *                 tag = PyString_AS_STRING(tag_object)
+ *             implicit = 0             # <<<<<<<<<<<<<<
+ *             if event_object.implicit:
+ *                 implicit = 1
+ */
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+    /* "_yaml.pyx":1216
+ *                 tag = PyString_AS_STRING(tag_object)
+ *             implicit = 0
+ *             if event_object.implicit:             # <<<<<<<<<<<<<<
+ *                 implicit = 1
+ *             mapping_style = YAML_BLOCK_MAPPING_STYLE
+ */
+    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_event_object, __pyx_n_s_implicit); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (__pyx_t_3) {
+
+      /* "_yaml.pyx":1217
+ *             implicit = 0
+ *             if event_object.implicit:
+ *                 implicit = 1             # <<<<<<<<<<<<<<
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+ *             if event_object.flow_style:
+ */
+      __pyx_v_implicit = 1;
+      goto __pyx_L59;
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+ *             if event_object.implicit:
+ *                 implicit = 1
+ *             mapping_style = YAML_BLOCK_MAPPING_STYLE             # <<<<<<<<<<<<<<
+ *             if event_object.flow_style:
+ *                 mapping_style = YAML_FLOW_MAPPING_STYLE
+ */
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+ *                 implicit = 1
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+ *             if event_object.flow_style:             # <<<<<<<<<<<<<<
+ *                 mapping_style = YAML_FLOW_MAPPING_STYLE
+ *             if yaml_mapping_start_event_initialize(event, anchor, tag,
+ */
+    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_v_event_object, __pyx_n_s_flow_style); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (__pyx_t_3) {
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+      /* "_yaml.pyx":1220
+ *             mapping_style = YAML_BLOCK_MAPPING_STYLE
+ *             if event_object.flow_style:
+ *                 mapping_style = YAML_FLOW_MAPPING_STYLE             # <<<<<<<<<<<<<<
+ *             if yaml_mapping_start_event_initialize(event, anchor, tag,
+ *                     implicit, mapping_style) == 0:
+ */
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+      goto __pyx_L60;
+    }
+    __pyx_L60:;
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+ *                 mapping_style = YAML_FLOW_MAPPING_STYLE
+ *             if yaml_mapping_start_event_initialize(event, anchor, tag,
+ *                     implicit, mapping_style) == 0:             # <<<<<<<<<<<<<<
+ *                 raise MemoryError
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+ */
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+    if (__pyx_t_3) {
+
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+ *             if yaml_mapping_start_event_initialize(event, anchor, tag,
+ *                     implicit, mapping_style) == 0:
+ *                 raise MemoryError             # <<<<<<<<<<<<<<
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+ *             yaml_sequence_end_event_initialize(event)
+ */
+      PyErr_NoMemory(); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
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+ *                     implicit, mapping_style) == 0:
+ *                 raise MemoryError
+ *         elif event_class is SequenceEndEvent:             # <<<<<<<<<<<<<<
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+ *         elif event_class is MappingEndEvent:
+ */
+  __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_SequenceEndEvent); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1224; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_3 = (__pyx_v_event_class == __pyx_t_5);
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_4 = (__pyx_t_3 != 0);
+  if (__pyx_t_4) {
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+    /* "_yaml.pyx":1225
+ *                 raise MemoryError
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+ *             yaml_mapping_end_event_initialize(event)
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+    goto __pyx_L3;
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+ *         elif event_class is SequenceEndEvent:
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+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_4 = (__pyx_v_event_class == __pyx_t_5);
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_3 = (__pyx_t_4 != 0);
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+ *             yaml_sequence_end_event_initialize(event)
+ *         elif event_class is MappingEndEvent:
+ *             yaml_mapping_end_event_initialize(event)             # <<<<<<<<<<<<<<
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+ *             if PY_MAJOR_VERSION < 3:
+ */
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+    goto __pyx_L3;
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+ *         else:
+ *             if PY_MAJOR_VERSION < 3:             # <<<<<<<<<<<<<<
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+ */
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+    goto __pyx_L3;
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+ *     else:
+ *         value = PyUnicode_DecodeUTF8(buffer, size, 'strict')             # <<<<<<<<<<<<<<
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+ *     return 1
+ */
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+ *         value = PyUnicode_DecodeUTF8(buffer, size, 'strict')
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+ *     return 1
+ * 
+ */
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+ *     return 1             # <<<<<<<<<<<<<<
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+  goto __pyx_L0;
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+  /* "_yaml.pyx":1518
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+ * cdef int output_handler(void *data, char *buffer, int size) except 0:             # <<<<<<<<<<<<<<
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+ *     emitter = <CEmitter>data
+ */
+
+  /* function exit code */
+  __pyx_L1_error:;
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+  __Pyx_XDECREF(__pyx_t_4);
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+static PyObject *__pyx_tp_new_5_yaml_Mark(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_5_yaml_Mark *p;
+  PyObject *o;
+  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
+    o = (*t->tp_alloc)(t, 0);
+  } else {
+    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
+  }
+  if (unlikely(!o)) return 0;
+  p = ((struct __pyx_obj_5_yaml_Mark *)o);
+  p->name = Py_None; Py_INCREF(Py_None);
+  p->buffer = Py_None; Py_INCREF(Py_None);
+  p->pointer = Py_None; Py_INCREF(Py_None);
+  return o;
+}
+
+static void __pyx_tp_dealloc_5_yaml_Mark(PyObject *o) {
+  struct __pyx_obj_5_yaml_Mark *p = (struct __pyx_obj_5_yaml_Mark *)o;
+  #if PY_VERSION_HEX >= 0x030400a1
+  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
+    if (PyObject_CallFinalizerFromDealloc(o)) return;
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  Py_CLEAR(p->name);
+  Py_CLEAR(p->buffer);
+  Py_CLEAR(p->pointer);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_5_yaml_Mark(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_5_yaml_Mark *p = (struct __pyx_obj_5_yaml_Mark *)o;
+  if (p->name) {
+    e = (*v)(p->name, a); if (e) return e;
+  }
+  if (p->buffer) {
+    e = (*v)(p->buffer, a); if (e) return e;
+  }
+  if (p->pointer) {
+    e = (*v)(p->pointer, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_5_yaml_Mark(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_obj_5_yaml_Mark *p = (struct __pyx_obj_5_yaml_Mark *)o;
+  tmp = ((PyObject*)p->name);
+  p->name = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->buffer);
+  p->buffer = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->pointer);
+  p->pointer = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyObject *__pyx_getprop_5_yaml_4Mark_name(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_yaml_4Mark_4name_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_5_yaml_4Mark_index(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_yaml_4Mark_5index_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_5_yaml_4Mark_line(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_yaml_4Mark_4line_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_5_yaml_4Mark_column(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_yaml_4Mark_6column_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_5_yaml_4Mark_buffer(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_yaml_4Mark_6buffer_1__get__(o);
+}
+
+static PyObject *__pyx_getprop_5_yaml_4Mark_pointer(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_5_yaml_4Mark_7pointer_1__get__(o);
+}
+
+static PyMethodDef __pyx_methods_5_yaml_Mark[] = {
+  {__Pyx_NAMESTR("get_snippet"), (PyCFunction)__pyx_pw_5_yaml_4Mark_3get_snippet, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static struct PyGetSetDef __pyx_getsets_5_yaml_Mark[] = {
+  {(char *)"name", __pyx_getprop_5_yaml_4Mark_name, 0, 0, 0},
+  {(char *)"index", __pyx_getprop_5_yaml_4Mark_index, 0, 0, 0},
+  {(char *)"line", __pyx_getprop_5_yaml_4Mark_line, 0, 0, 0},
+  {(char *)"column", __pyx_getprop_5_yaml_4Mark_column, 0, 0, 0},
+  {(char *)"buffer", __pyx_getprop_5_yaml_4Mark_buffer, 0, 0, 0},
+  {(char *)"pointer", __pyx_getprop_5_yaml_4Mark_pointer, 0, 0, 0},
+  {0, 0, 0, 0, 0}
+};
+
+static PyTypeObject __pyx_type_5_yaml_Mark = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_yaml.Mark"), /*tp_name*/
+  sizeof(struct __pyx_obj_5_yaml_Mark), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5_yaml_Mark, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  0, /*tp_as_number*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  __pyx_pw_5_yaml_4Mark_5__str__, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_5_yaml_Mark, /*tp_traverse*/
+  __pyx_tp_clear_5_yaml_Mark, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5_yaml_Mark, /*tp_methods*/
+  0, /*tp_members*/
+  __pyx_getsets_5_yaml_Mark, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  __pyx_pw_5_yaml_4Mark_1__init__, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5_yaml_Mark, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030400a1
+  0, /*tp_finalize*/
+  #endif
+};
+static struct __pyx_vtabstruct_5_yaml_CParser __pyx_vtable_5_yaml_CParser;
+
+static PyObject *__pyx_tp_new_5_yaml_CParser(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_5_yaml_CParser *p;
+  PyObject *o;
+  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
+    o = (*t->tp_alloc)(t, 0);
+  } else {
+    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
+  }
+  if (unlikely(!o)) return 0;
+  p = ((struct __pyx_obj_5_yaml_CParser *)o);
+  p->__pyx_vtab = __pyx_vtabptr_5_yaml_CParser;
+  p->stream = Py_None; Py_INCREF(Py_None);
+  p->stream_name = Py_None; Py_INCREF(Py_None);
+  p->current_token = Py_None; Py_INCREF(Py_None);
+  p->current_event = Py_None; Py_INCREF(Py_None);
+  p->anchors = Py_None; Py_INCREF(Py_None);
+  p->stream_cache = Py_None; Py_INCREF(Py_None);
+  return o;
+}
+
+static void __pyx_tp_dealloc_5_yaml_CParser(PyObject *o) {
+  struct __pyx_obj_5_yaml_CParser *p = (struct __pyx_obj_5_yaml_CParser *)o;
+  #if PY_VERSION_HEX >= 0x030400a1
+  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
+    if (PyObject_CallFinalizerFromDealloc(o)) return;
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5_yaml_7CParser_3__dealloc__(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_CLEAR(p->stream);
+  Py_CLEAR(p->stream_name);
+  Py_CLEAR(p->current_token);
+  Py_CLEAR(p->current_event);
+  Py_CLEAR(p->anchors);
+  Py_CLEAR(p->stream_cache);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_5_yaml_CParser(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_5_yaml_CParser *p = (struct __pyx_obj_5_yaml_CParser *)o;
+  if (p->stream) {
+    e = (*v)(p->stream, a); if (e) return e;
+  }
+  if (p->stream_name) {
+    e = (*v)(p->stream_name, a); if (e) return e;
+  }
+  if (p->current_token) {
+    e = (*v)(p->current_token, a); if (e) return e;
+  }
+  if (p->current_event) {
+    e = (*v)(p->current_event, a); if (e) return e;
+  }
+  if (p->anchors) {
+    e = (*v)(p->anchors, a); if (e) return e;
+  }
+  if (p->stream_cache) {
+    e = (*v)(p->stream_cache, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_5_yaml_CParser(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_obj_5_yaml_CParser *p = (struct __pyx_obj_5_yaml_CParser *)o;
+  tmp = ((PyObject*)p->stream);
+  p->stream = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->stream_name);
+  p->stream_name = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->current_token);
+  p->current_token = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->current_event);
+  p->current_event = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->anchors);
+  p->anchors = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->stream_cache);
+  p->stream_cache = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_5_yaml_CParser[] = {
+  {__Pyx_NAMESTR("dispose"), (PyCFunction)__pyx_pw_5_yaml_7CParser_5dispose, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("raw_scan"), (PyCFunction)__pyx_pw_5_yaml_7CParser_7raw_scan, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_token"), (PyCFunction)__pyx_pw_5_yaml_7CParser_9get_token, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("peek_token"), (PyCFunction)__pyx_pw_5_yaml_7CParser_11peek_token, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("check_token"), (PyCFunction)__pyx_pw_5_yaml_7CParser_13check_token, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("raw_parse"), (PyCFunction)__pyx_pw_5_yaml_7CParser_15raw_parse, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_event"), (PyCFunction)__pyx_pw_5_yaml_7CParser_17get_event, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("peek_event"), (PyCFunction)__pyx_pw_5_yaml_7CParser_19peek_event, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("check_event"), (PyCFunction)__pyx_pw_5_yaml_7CParser_21check_event, METH_VARARGS|METH_KEYWORDS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("check_node"), (PyCFunction)__pyx_pw_5_yaml_7CParser_23check_node, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_node"), (PyCFunction)__pyx_pw_5_yaml_7CParser_25get_node, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("get_single_node"), (PyCFunction)__pyx_pw_5_yaml_7CParser_27get_single_node, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyTypeObject __pyx_type_5_yaml_CParser = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_yaml.CParser"), /*tp_name*/
+  sizeof(struct __pyx_obj_5_yaml_CParser), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5_yaml_CParser, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  0, /*tp_as_number*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_5_yaml_CParser, /*tp_traverse*/
+  __pyx_tp_clear_5_yaml_CParser, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5_yaml_CParser, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  __pyx_pw_5_yaml_7CParser_1__init__, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5_yaml_CParser, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030400a1
+  0, /*tp_finalize*/
+  #endif
+};
+static struct __pyx_vtabstruct_5_yaml_CEmitter __pyx_vtable_5_yaml_CEmitter;
+
+static PyObject *__pyx_tp_new_5_yaml_CEmitter(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+  struct __pyx_obj_5_yaml_CEmitter *p;
+  PyObject *o;
+  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
+    o = (*t->tp_alloc)(t, 0);
+  } else {
+    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
+  }
+  if (unlikely(!o)) return 0;
+  p = ((struct __pyx_obj_5_yaml_CEmitter *)o);
+  p->__pyx_vtab = __pyx_vtabptr_5_yaml_CEmitter;
+  p->stream = Py_None; Py_INCREF(Py_None);
+  p->use_version = Py_None; Py_INCREF(Py_None);
+  p->use_tags = Py_None; Py_INCREF(Py_None);
+  p->serialized_nodes = Py_None; Py_INCREF(Py_None);
+  p->anchors = Py_None; Py_INCREF(Py_None);
+  p->use_encoding = Py_None; Py_INCREF(Py_None);
+  return o;
+}
+
+static void __pyx_tp_dealloc_5_yaml_CEmitter(PyObject *o) {
+  struct __pyx_obj_5_yaml_CEmitter *p = (struct __pyx_obj_5_yaml_CEmitter *)o;
+  #if PY_VERSION_HEX >= 0x030400a1
+  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
+    if (PyObject_CallFinalizerFromDealloc(o)) return;
+  }
+  #endif
+  PyObject_GC_UnTrack(o);
+  {
+    PyObject *etype, *eval, *etb;
+    PyErr_Fetch(&etype, &eval, &etb);
+    ++Py_REFCNT(o);
+    __pyx_pw_5_yaml_8CEmitter_3__dealloc__(o);
+    --Py_REFCNT(o);
+    PyErr_Restore(etype, eval, etb);
+  }
+  Py_CLEAR(p->stream);
+  Py_CLEAR(p->use_version);
+  Py_CLEAR(p->use_tags);
+  Py_CLEAR(p->serialized_nodes);
+  Py_CLEAR(p->anchors);
+  Py_CLEAR(p->use_encoding);
+  (*Py_TYPE(o)->tp_free)(o);
+}
+
+static int __pyx_tp_traverse_5_yaml_CEmitter(PyObject *o, visitproc v, void *a) {
+  int e;
+  struct __pyx_obj_5_yaml_CEmitter *p = (struct __pyx_obj_5_yaml_CEmitter *)o;
+  if (p->stream) {
+    e = (*v)(p->stream, a); if (e) return e;
+  }
+  if (p->use_version) {
+    e = (*v)(p->use_version, a); if (e) return e;
+  }
+  if (p->use_tags) {
+    e = (*v)(p->use_tags, a); if (e) return e;
+  }
+  if (p->serialized_nodes) {
+    e = (*v)(p->serialized_nodes, a); if (e) return e;
+  }
+  if (p->anchors) {
+    e = (*v)(p->anchors, a); if (e) return e;
+  }
+  if (p->use_encoding) {
+    e = (*v)(p->use_encoding, a); if (e) return e;
+  }
+  return 0;
+}
+
+static int __pyx_tp_clear_5_yaml_CEmitter(PyObject *o) {
+  PyObject* tmp;
+  struct __pyx_obj_5_yaml_CEmitter *p = (struct __pyx_obj_5_yaml_CEmitter *)o;
+  tmp = ((PyObject*)p->stream);
+  p->stream = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->use_version);
+  p->use_version = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->use_tags);
+  p->use_tags = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->serialized_nodes);
+  p->serialized_nodes = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->anchors);
+  p->anchors = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->use_encoding);
+  p->use_encoding = Py_None; Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
+  return 0;
+}
+
+static PyMethodDef __pyx_methods_5_yaml_CEmitter[] = {
+  {__Pyx_NAMESTR("dispose"), (PyCFunction)__pyx_pw_5_yaml_8CEmitter_5dispose, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("emit"), (PyCFunction)__pyx_pw_5_yaml_8CEmitter_7emit, METH_O, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("open"), (PyCFunction)__pyx_pw_5_yaml_8CEmitter_9open, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("close"), (PyCFunction)__pyx_pw_5_yaml_8CEmitter_11close, METH_NOARGS, __Pyx_DOCSTR(0)},
+  {__Pyx_NAMESTR("serialize"), (PyCFunction)__pyx_pw_5_yaml_8CEmitter_13serialize, METH_O, __Pyx_DOCSTR(0)},
+  {0, 0, 0, 0}
+};
+
+static PyTypeObject __pyx_type_5_yaml_CEmitter = {
+  PyVarObject_HEAD_INIT(0, 0)
+  __Pyx_NAMESTR("_yaml.CEmitter"), /*tp_name*/
+  sizeof(struct __pyx_obj_5_yaml_CEmitter), /*tp_basicsize*/
+  0, /*tp_itemsize*/
+  __pyx_tp_dealloc_5_yaml_CEmitter, /*tp_dealloc*/
+  0, /*tp_print*/
+  0, /*tp_getattr*/
+  0, /*tp_setattr*/
+  #if PY_MAJOR_VERSION < 3
+  0, /*tp_compare*/
+  #else
+  0, /*reserved*/
+  #endif
+  0, /*tp_repr*/
+  0, /*tp_as_number*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
+  0, /*tp_hash*/
+  0, /*tp_call*/
+  0, /*tp_str*/
+  0, /*tp_getattro*/
+  0, /*tp_setattro*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_doc*/
+  __pyx_tp_traverse_5_yaml_CEmitter, /*tp_traverse*/
+  __pyx_tp_clear_5_yaml_CEmitter, /*tp_clear*/
+  0, /*tp_richcompare*/
+  0, /*tp_weaklistoffset*/
+  0, /*tp_iter*/
+  0, /*tp_iternext*/
+  __pyx_methods_5_yaml_CEmitter, /*tp_methods*/
+  0, /*tp_members*/
+  0, /*tp_getset*/
+  0, /*tp_base*/
+  0, /*tp_dict*/
+  0, /*tp_descr_get*/
+  0, /*tp_descr_set*/
+  0, /*tp_dictoffset*/
+  __pyx_pw_5_yaml_8CEmitter_1__init__, /*tp_init*/
+  0, /*tp_alloc*/
+  __pyx_tp_new_5_yaml_CEmitter, /*tp_new*/
+  0, /*tp_free*/
+  0, /*tp_is_gc*/
+  0, /*tp_bases*/
+  0, /*tp_mro*/
+  0, /*tp_cache*/
+  0, /*tp_subclasses*/
+  0, /*tp_weaklist*/
+  0, /*tp_del*/
+  #if PY_VERSION_HEX >= 0x02060000
+  0, /*tp_version_tag*/
+  #endif
+  #if PY_VERSION_HEX >= 0x030400a1
+  0, /*tp_finalize*/
+  #endif
+};
+
+static PyMethodDef __pyx_methods[] = {
+  {0, 0, 0, 0}
+};
+
+#if PY_MAJOR_VERSION >= 3
+static struct PyModuleDef __pyx_moduledef = {
+  #if PY_VERSION_HEX < 0x03020000
+    { PyObject_HEAD_INIT(NULL) NULL, 0, NULL },
+  #else
+    PyModuleDef_HEAD_INIT,
+  #endif
+    __Pyx_NAMESTR("_yaml"),
+    0, /* m_doc */
+    -1, /* m_size */
+    __pyx_methods /* m_methods */,
+    NULL, /* m_reload */
+    NULL, /* m_traverse */
+    NULL, /* m_clear */
+    NULL /* m_free */
+};
+#endif
+
+static __Pyx_StringTabEntry __pyx_string_tab[] = {
+  {&__pyx_n_s_AliasEvent, __pyx_k_AliasEvent, sizeof(__pyx_k_AliasEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_AliasToken, __pyx_k_AliasToken, sizeof(__pyx_k_AliasToken), 0, 0, 1, 1},
+  {&__pyx_n_s_AnchorToken, __pyx_k_AnchorToken, sizeof(__pyx_k_AnchorToken), 0, 0, 1, 1},
+  {&__pyx_n_s_AttributeError, __pyx_k_AttributeError, sizeof(__pyx_k_AttributeError), 0, 0, 1, 1},
+  {&__pyx_n_s_BlockEndToken, __pyx_k_BlockEndToken, sizeof(__pyx_k_BlockEndToken), 0, 0, 1, 1},
+  {&__pyx_n_s_BlockEntryToken, __pyx_k_BlockEntryToken, sizeof(__pyx_k_BlockEntryToken), 0, 0, 1, 1},
+  {&__pyx_n_s_BlockMappingStartToken, __pyx_k_BlockMappingStartToken, sizeof(__pyx_k_BlockMappingStartToken), 0, 0, 1, 1},
+  {&__pyx_n_s_BlockSequenceStartToken, __pyx_k_BlockSequenceStartToken, sizeof(__pyx_k_BlockSequenceStartToken), 0, 0, 1, 1},
+  {&__pyx_n_s_ComposerError, __pyx_k_ComposerError, sizeof(__pyx_k_ComposerError), 0, 0, 1, 1},
+  {&__pyx_n_s_ConstructorError, __pyx_k_ConstructorError, sizeof(__pyx_k_ConstructorError), 0, 0, 1, 1},
+  {&__pyx_n_s_DirectiveToken, __pyx_k_DirectiveToken, sizeof(__pyx_k_DirectiveToken), 0, 0, 1, 1},
+  {&__pyx_n_s_DocumentEndEvent, __pyx_k_DocumentEndEvent, sizeof(__pyx_k_DocumentEndEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_DocumentEndToken, __pyx_k_DocumentEndToken, sizeof(__pyx_k_DocumentEndToken), 0, 0, 1, 1},
+  {&__pyx_n_s_DocumentStartEvent, __pyx_k_DocumentStartEvent, sizeof(__pyx_k_DocumentStartEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_DocumentStartToken, __pyx_k_DocumentStartToken, sizeof(__pyx_k_DocumentStartToken), 0, 0, 1, 1},
+  {&__pyx_n_s_EmitterError, __pyx_k_EmitterError, sizeof(__pyx_k_EmitterError), 0, 0, 1, 1},
+  {&__pyx_n_s_FlowEntryToken, __pyx_k_FlowEntryToken, sizeof(__pyx_k_FlowEntryToken), 0, 0, 1, 1},
+  {&__pyx_n_s_FlowMappingEndToken, __pyx_k_FlowMappingEndToken, sizeof(__pyx_k_FlowMappingEndToken), 0, 0, 1, 1},
+  {&__pyx_n_s_FlowMappingStartToken, __pyx_k_FlowMappingStartToken, sizeof(__pyx_k_FlowMappingStartToken), 0, 0, 1, 1},
+  {&__pyx_n_s_FlowSequenceEndToken, __pyx_k_FlowSequenceEndToken, sizeof(__pyx_k_FlowSequenceEndToken), 0, 0, 1, 1},
+  {&__pyx_n_s_FlowSequenceStartToken, __pyx_k_FlowSequenceStartToken, sizeof(__pyx_k_FlowSequenceStartToken), 0, 0, 1, 1},
+  {&__pyx_n_s_KeyToken, __pyx_k_KeyToken, sizeof(__pyx_k_KeyToken), 0, 0, 1, 1},
+  {&__pyx_n_s_MappingEndEvent, __pyx_k_MappingEndEvent, sizeof(__pyx_k_MappingEndEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_MappingNode, __pyx_k_MappingNode, sizeof(__pyx_k_MappingNode), 0, 0, 1, 1},
+  {&__pyx_n_s_MappingStartEvent, __pyx_k_MappingStartEvent, sizeof(__pyx_k_MappingStartEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_MemoryError, __pyx_k_MemoryError, sizeof(__pyx_k_MemoryError), 0, 0, 1, 1},
+  {&__pyx_n_s_ParserError, __pyx_k_ParserError, sizeof(__pyx_k_ParserError), 0, 0, 1, 1},
+  {&__pyx_n_s_ReaderError, __pyx_k_ReaderError, sizeof(__pyx_k_ReaderError), 0, 0, 1, 1},
+  {&__pyx_n_s_RepresenterError, __pyx_k_RepresenterError, sizeof(__pyx_k_RepresenterError), 0, 0, 1, 1},
+  {&__pyx_n_s_ScalarEvent, __pyx_k_ScalarEvent, sizeof(__pyx_k_ScalarEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_ScalarNode, __pyx_k_ScalarNode, sizeof(__pyx_k_ScalarNode), 0, 0, 1, 1},
+  {&__pyx_n_s_ScalarToken, __pyx_k_ScalarToken, sizeof(__pyx_k_ScalarToken), 0, 0, 1, 1},
+  {&__pyx_n_s_ScannerError, __pyx_k_ScannerError, sizeof(__pyx_k_ScannerError), 0, 0, 1, 1},
+  {&__pyx_n_s_SequenceEndEvent, __pyx_k_SequenceEndEvent, sizeof(__pyx_k_SequenceEndEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_SequenceNode, __pyx_k_SequenceNode, sizeof(__pyx_k_SequenceNode), 0, 0, 1, 1},
+  {&__pyx_n_s_SequenceStartEvent, __pyx_k_SequenceStartEvent, sizeof(__pyx_k_SequenceStartEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_SerializerError, __pyx_k_SerializerError, sizeof(__pyx_k_SerializerError), 0, 0, 1, 1},
+  {&__pyx_n_s_StreamEndEvent, __pyx_k_StreamEndEvent, sizeof(__pyx_k_StreamEndEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_StreamEndToken, __pyx_k_StreamEndToken, sizeof(__pyx_k_StreamEndToken), 0, 0, 1, 1},
+  {&__pyx_n_s_StreamStartEvent, __pyx_k_StreamStartEvent, sizeof(__pyx_k_StreamStartEvent), 0, 0, 1, 1},
+  {&__pyx_n_s_StreamStartToken, __pyx_k_StreamStartToken, sizeof(__pyx_k_StreamStartToken), 0, 0, 1, 1},
+  {&__pyx_n_u_TAG, __pyx_k_TAG, sizeof(__pyx_k_TAG), 0, 1, 0, 1},
+  {&__pyx_n_s_TagToken, __pyx_k_TagToken, sizeof(__pyx_k_TagToken), 0, 0, 1, 1},
+  {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
+  {&__pyx_n_s_ValueError, __pyx_k_ValueError, sizeof(__pyx_k_ValueError), 0, 0, 1, 1},
+  {&__pyx_n_s_ValueToken, __pyx_k_ValueToken, sizeof(__pyx_k_ValueToken), 0, 0, 1, 1},
+  {&__pyx_n_u_YAML, __pyx_k_YAML, sizeof(__pyx_k_YAML), 0, 1, 0, 1},
+  {&__pyx_n_s_YAMLError, __pyx_k_YAMLError, sizeof(__pyx_k_YAMLError), 0, 0, 1, 1},
+  {&__pyx_kp_s__10, __pyx_k__10, sizeof(__pyx_k__10), 0, 0, 1, 0},
+  {&__pyx_kp_u__10, __pyx_k__10, sizeof(__pyx_k__10), 0, 1, 0, 0},
+  {&__pyx_kp_s__17, __pyx_k__17, sizeof(__pyx_k__17), 0, 0, 1, 0},
+  {&__pyx_kp_s__18, __pyx_k__18, sizeof(__pyx_k__18), 0, 0, 1, 0},
+  {&__pyx_kp_s__19, __pyx_k__19, sizeof(__pyx_k__19), 0, 0, 1, 0},
+  {&__pyx_kp_s__3, __pyx_k__3, sizeof(__pyx_k__3), 0, 0, 1, 0},
+  {&__pyx_kp_u__3, __pyx_k__3, sizeof(__pyx_k__3), 0, 1, 0, 0},
+  {&__pyx_kp_u__6, __pyx_k__6, sizeof(__pyx_k__6), 0, 1, 0, 0},
+  {&__pyx_kp_s__7, __pyx_k__7, sizeof(__pyx_k__7), 0, 0, 1, 0},
+  {&__pyx_kp_u__7, __pyx_k__7, sizeof(__pyx_k__7), 0, 1, 0, 0},
+  {&__pyx_kp_s__8, __pyx_k__8, sizeof(__pyx_k__8), 0, 0, 1, 0},
+  {&__pyx_kp_u__8, __pyx_k__8, sizeof(__pyx_k__8), 0, 1, 0, 0},
+  {&__pyx_kp_s__9, __pyx_k__9, sizeof(__pyx_k__9), 0, 0, 1, 0},
+  {&__pyx_kp_u__9, __pyx_k__9, sizeof(__pyx_k__9), 0, 1, 0, 0},
+  {&__pyx_kp_s_a_string_or_stream_input_is_requ, __pyx_k_a_string_or_stream_input_is_requ, sizeof(__pyx_k_a_string_or_stream_input_is_requ), 0, 0, 1, 0},
+  {&__pyx_kp_u_a_string_or_stream_input_is_requ, __pyx_k_a_string_or_stream_input_is_requ, sizeof(__pyx_k_a_string_or_stream_input_is_requ), 0, 1, 0, 0},
+  {&__pyx_kp_s_a_string_value_is_expected, __pyx_k_a_string_value_is_expected, sizeof(__pyx_k_a_string_value_is_expected), 0, 0, 1, 0},
+  {&__pyx_kp_u_a_string_value_is_expected, __pyx_k_a_string_value_is_expected, sizeof(__pyx_k_a_string_value_is_expected), 0, 1, 0, 0},
+  {&__pyx_n_s_allow_unicode, __pyx_k_allow_unicode, sizeof(__pyx_k_allow_unicode), 0, 0, 1, 1},
+  {&__pyx_n_s_anchor, __pyx_k_anchor, sizeof(__pyx_k_anchor), 0, 0, 1, 1},
+  {&__pyx_kp_s_anchor_must_be_a_string, __pyx_k_anchor_must_be_a_string, sizeof(__pyx_k_anchor_must_be_a_string), 0, 0, 1, 0},
+  {&__pyx_kp_u_anchor_must_be_a_string, __pyx_k_anchor_must_be_a_string, sizeof(__pyx_k_anchor_must_be_a_string), 0, 1, 0, 0},
+  {&__pyx_n_s_ascend_resolver, __pyx_k_ascend_resolver, sizeof(__pyx_k_ascend_resolver), 0, 0, 1, 1},
+  {&__pyx_n_s_buffer, __pyx_k_buffer, sizeof(__pyx_k_buffer), 0, 0, 1, 1},
+  {&__pyx_kp_s_but_found_another_document, __pyx_k_but_found_another_document, sizeof(__pyx_k_but_found_another_document), 0, 0, 1, 0},
+  {&__pyx_kp_u_but_found_another_document, __pyx_k_but_found_another_document, sizeof(__pyx_k_but_found_another_document), 0, 1, 0, 0},
+  {&__pyx_kp_s_byte_string, __pyx_k_byte_string, sizeof(__pyx_k_byte_string), 0, 0, 1, 0},
+  {&__pyx_kp_u_byte_string, __pyx_k_byte_string, sizeof(__pyx_k_byte_string), 0, 1, 0, 0},
+  {&__pyx_n_s_canonical, __pyx_k_canonical, sizeof(__pyx_k_canonical), 0, 0, 1, 1},
+  {&__pyx_n_s_class, __pyx_k_class, sizeof(__pyx_k_class), 0, 0, 1, 1},
+  {&__pyx_n_s_column, __pyx_k_column, sizeof(__pyx_k_column), 0, 0, 1, 1},
+  {&__pyx_n_s_composer, __pyx_k_composer, sizeof(__pyx_k_composer), 0, 0, 1, 1},
+  {&__pyx_n_s_constructor, __pyx_k_constructor, sizeof(__pyx_k_constructor), 0, 0, 1, 1},
+  {&__pyx_n_s_descend_resolver, __pyx_k_descend_resolver, sizeof(__pyx_k_descend_resolver), 0, 0, 1, 1},
+  {&__pyx_n_s_emitter, __pyx_k_emitter, sizeof(__pyx_k_emitter), 0, 0, 1, 1},
+  {&__pyx_n_s_encoding, __pyx_k_encoding, sizeof(__pyx_k_encoding), 0, 0, 1, 1},
+  {&__pyx_n_u_encoding, __pyx_k_encoding, sizeof(__pyx_k_encoding), 0, 1, 0, 1},
+  {&__pyx_n_s_end_mark, __pyx_k_end_mark, sizeof(__pyx_k_end_mark), 0, 0, 1, 1},
+  {&__pyx_n_s_error, __pyx_k_error, sizeof(__pyx_k_error), 0, 0, 1, 1},
+  {&__pyx_n_s_events, __pyx_k_events, sizeof(__pyx_k_events), 0, 0, 1, 1},
+  {&__pyx_kp_s_expected_a_single_document_in_th, __pyx_k_expected_a_single_document_in_th, sizeof(__pyx_k_expected_a_single_document_in_th), 0, 0, 1, 0},
+  {&__pyx_kp_u_expected_a_single_document_in_th, __pyx_k_expected_a_single_document_in_th, sizeof(__pyx_k_expected_a_single_document_in_th), 0, 1, 0, 0},
+  {&__pyx_n_s_explicit, __pyx_k_explicit, sizeof(__pyx_k_explicit), 0, 0, 1, 1},
+  {&__pyx_n_s_explicit_end, __pyx_k_explicit_end, sizeof(__pyx_k_explicit_end), 0, 0, 1, 1},
+  {&__pyx_n_s_explicit_start, __pyx_k_explicit_start, sizeof(__pyx_k_explicit_start), 0, 0, 1, 1},
+  {&__pyx_kp_s_file, __pyx_k_file, sizeof(__pyx_k_file), 0, 0, 1, 0},
+  {&__pyx_kp_u_file, __pyx_k_file, sizeof(__pyx_k_file), 0, 1, 0, 0},
+  {&__pyx_n_s_flow_style, __pyx_k_flow_style, sizeof(__pyx_k_flow_style), 0, 0, 1, 1},
+  {&__pyx_kp_s_found_duplicate_anchor_first_occ, __pyx_k_found_duplicate_anchor_first_occ, sizeof(__pyx_k_found_duplicate_anchor_first_occ), 0, 0, 1, 0},
+  {&__pyx_kp_u_found_duplicate_anchor_first_occ, __pyx_k_found_duplicate_anchor_first_occ, sizeof(__pyx_k_found_duplicate_anchor_first_occ), 0, 1, 0, 0},
+  {&__pyx_kp_s_found_undefined_alias, __pyx_k_found_undefined_alias, sizeof(__pyx_k_found_undefined_alias), 0, 0, 1, 0},
+  {&__pyx_kp_u_found_undefined_alias, __pyx_k_found_undefined_alias, sizeof(__pyx_k_found_undefined_alias), 0, 1, 0, 0},
+  {&__pyx_n_s_get_version, __pyx_k_get_version, sizeof(__pyx_k_get_version), 0, 0, 1, 1},
+  {&__pyx_n_s_get_version_string, __pyx_k_get_version_string, sizeof(__pyx_k_get_version_string), 0, 0, 1, 1},
+  {&__pyx_kp_u_id_03d, __pyx_k_id_03d, sizeof(__pyx_k_id_03d), 0, 1, 0, 0},
+  {&__pyx_n_s_implicit, __pyx_k_implicit, sizeof(__pyx_k_implicit), 0, 0, 1, 1},
+  {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
+  {&__pyx_kp_s_in_s_line_d_column_d, __pyx_k_in_s_line_d_column_d, sizeof(__pyx_k_in_s_line_d_column_d), 0, 0, 1, 0},
+  {&__pyx_n_s_indent, __pyx_k_indent, sizeof(__pyx_k_indent), 0, 0, 1, 1},
+  {&__pyx_n_s_index, __pyx_k_index, sizeof(__pyx_k_index), 0, 0, 1, 1},
+  {&__pyx_kp_s_invalid_event_s, __pyx_k_invalid_event_s, sizeof(__pyx_k_invalid_event_s), 0, 0, 1, 0},
+  {&__pyx_kp_u_invalid_event_s, __pyx_k_invalid_event_s, sizeof(__pyx_k_invalid_event_s), 0, 1, 0, 0},
+  {&__pyx_n_s_line, __pyx_k_line, sizeof(__pyx_k_line), 0, 0, 1, 1},
+  {&__pyx_n_s_line_break, __pyx_k_line_break, sizeof(__pyx_k_line_break), 0, 0, 1, 1},
+  {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
+  {&__pyx_n_s_major, __pyx_k_major, sizeof(__pyx_k_major), 0, 0, 1, 1},
+  {&__pyx_n_s_minor, __pyx_k_minor, sizeof(__pyx_k_minor), 0, 0, 1, 1},
+  {&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
+  {&__pyx_kp_s_no_emitter_error, __pyx_k_no_emitter_error, sizeof(__pyx_k_no_emitter_error), 0, 0, 1, 0},
+  {&__pyx_kp_u_no_emitter_error, __pyx_k_no_emitter_error, sizeof(__pyx_k_no_emitter_error), 0, 1, 0, 0},
+  {&__pyx_kp_s_no_parser_error, __pyx_k_no_parser_error, sizeof(__pyx_k_no_parser_error), 0, 0, 1, 0},
+  {&__pyx_kp_u_no_parser_error, __pyx_k_no_parser_error, sizeof(__pyx_k_no_parser_error), 0, 1, 0, 0},
+  {&__pyx_n_s_nodes, __pyx_k_nodes, sizeof(__pyx_k_nodes), 0, 0, 1, 1},
+  {&__pyx_n_s_parser, __pyx_k_parser, sizeof(__pyx_k_parser), 0, 0, 1, 1},
+  {&__pyx_n_s_patch, __pyx_k_patch, sizeof(__pyx_k_patch), 0, 0, 1, 1},
+  {&__pyx_n_s_pointer, __pyx_k_pointer, sizeof(__pyx_k_pointer), 0, 0, 1, 1},
+  {&__pyx_n_s_pyx_vtable, __pyx_k_pyx_vtable, sizeof(__pyx_k_pyx_vtable), 0, 0, 1, 1},
+  {&__pyx_n_s_read, __pyx_k_read, sizeof(__pyx_k_read), 0, 0, 1, 1},
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+  __Pyx_GOTREF(__pyx_tuple__31);
+  __Pyx_GIVEREF(__pyx_tuple__31);
+
+  /* "_yaml.pyx":1128
+ *                 if not PyString_CheckExact(tag_object):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("tag must be a string")             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         raise TypeError(u"tag must be a string")
+ */
+  __pyx_tuple__32 = PyTuple_Pack(1, __pyx_kp_s_tag_must_be_a_string); if (unlikely(!__pyx_tuple__32)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1128; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__32);
+  __Pyx_GIVEREF(__pyx_tuple__32);
+
+  /* "_yaml.pyx":1130
+ *                         raise TypeError("tag must be a string")
+ *                     else:
+ *                         raise TypeError(u"tag must be a string")             # <<<<<<<<<<<<<<
+ *                 tag = PyString_AS_STRING(tag_object)
+ *             value_object = event_object.value
+ */
+  __pyx_tuple__33 = PyTuple_Pack(1, __pyx_kp_u_tag_must_be_a_string); if (unlikely(!__pyx_tuple__33)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1130; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__33);
+  __Pyx_GIVEREF(__pyx_tuple__33);
+
+  /* "_yaml.pyx":1137
+ *             if not PyString_CheckExact(value_object):
+ *                 if PY_MAJOR_VERSION < 3:
+ *                     raise TypeError("value must be a string")             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise TypeError(u"value must be a string")
+ */
+  __pyx_tuple__34 = PyTuple_Pack(1, __pyx_kp_s_value_must_be_a_string); if (unlikely(!__pyx_tuple__34)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1137; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__34);
+  __Pyx_GIVEREF(__pyx_tuple__34);
+
+  /* "_yaml.pyx":1139
+ *                     raise TypeError("value must be a string")
+ *                 else:
+ *                     raise TypeError(u"value must be a string")             # <<<<<<<<<<<<<<
+ *             value = PyString_AS_STRING(value_object)
+ *             length = PyString_GET_SIZE(value_object)
+ */
+  __pyx_tuple__35 = PyTuple_Pack(1, __pyx_kp_u_value_must_be_a_string); if (unlikely(!__pyx_tuple__35)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1139; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__35);
+  __Pyx_GIVEREF(__pyx_tuple__35);
+
+  /* "_yaml.pyx":1168
+ *                 if not PyString_CheckExact(anchor_object):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("anchor must be a string")             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         raise TypeError(u"anchor must be a string")
+ */
+  __pyx_tuple__36 = PyTuple_Pack(1, __pyx_kp_s_anchor_must_be_a_string); if (unlikely(!__pyx_tuple__36)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__36);
+  __Pyx_GIVEREF(__pyx_tuple__36);
+
+  /* "_yaml.pyx":1170
+ *                         raise TypeError("anchor must be a string")
+ *                     else:
+ *                         raise TypeError(u"anchor must be a string")             # <<<<<<<<<<<<<<
+ *                 anchor = PyString_AS_STRING(anchor_object)
+ *             tag = NULL
+ */
+  __pyx_tuple__37 = PyTuple_Pack(1, __pyx_kp_u_anchor_must_be_a_string); if (unlikely(!__pyx_tuple__37)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1170; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__37);
+  __Pyx_GIVEREF(__pyx_tuple__37);
+
+  /* "_yaml.pyx":1179
+ *                 if not PyString_CheckExact(tag_object):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("tag must be a string")             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         raise TypeError(u"tag must be a string")
+ */
+  __pyx_tuple__38 = PyTuple_Pack(1, __pyx_kp_s_tag_must_be_a_string); if (unlikely(!__pyx_tuple__38)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1179; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__38);
+  __Pyx_GIVEREF(__pyx_tuple__38);
+
+  /* "_yaml.pyx":1181
+ *                         raise TypeError("tag must be a string")
+ *                     else:
+ *                         raise TypeError(u"tag must be a string")             # <<<<<<<<<<<<<<
+ *                 tag = PyString_AS_STRING(tag_object)
+ *             implicit = 0
+ */
+  __pyx_tuple__39 = PyTuple_Pack(1, __pyx_kp_u_tag_must_be_a_string); if (unlikely(!__pyx_tuple__39)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1181; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__39);
+  __Pyx_GIVEREF(__pyx_tuple__39);
+
+  /* "_yaml.pyx":1200
+ *                 if not PyString_CheckExact(anchor_object):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("anchor must be a string")             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         raise TypeError(u"anchor must be a string")
+ */
+  __pyx_tuple__40 = PyTuple_Pack(1, __pyx_kp_s_anchor_must_be_a_string); if (unlikely(!__pyx_tuple__40)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__40);
+  __Pyx_GIVEREF(__pyx_tuple__40);
+
+  /* "_yaml.pyx":1202
+ *                         raise TypeError("anchor must be a string")
+ *                     else:
+ *                         raise TypeError(u"anchor must be a string")             # <<<<<<<<<<<<<<
+ *                 anchor = PyString_AS_STRING(anchor_object)
+ *             tag = NULL
+ */
+  __pyx_tuple__41 = PyTuple_Pack(1, __pyx_kp_u_anchor_must_be_a_string); if (unlikely(!__pyx_tuple__41)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1202; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__41);
+  __Pyx_GIVEREF(__pyx_tuple__41);
+
+  /* "_yaml.pyx":1211
+ *                 if not PyString_CheckExact(tag_object):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("tag must be a string")             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         raise TypeError(u"tag must be a string")
+ */
+  __pyx_tuple__42 = PyTuple_Pack(1, __pyx_kp_s_tag_must_be_a_string); if (unlikely(!__pyx_tuple__42)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__42);
+  __Pyx_GIVEREF(__pyx_tuple__42);
+
+  /* "_yaml.pyx":1213
+ *                         raise TypeError("tag must be a string")
+ *                     else:
+ *                         raise TypeError(u"tag must be a string")             # <<<<<<<<<<<<<<
+ *                 tag = PyString_AS_STRING(tag_object)
+ *             implicit = 0
+ */
+  __pyx_tuple__43 = PyTuple_Pack(1, __pyx_kp_u_tag_must_be_a_string); if (unlikely(!__pyx_tuple__43)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__43);
+  __Pyx_GIVEREF(__pyx_tuple__43);
+
+  /* "_yaml.pyx":1263
+ *         elif self.closed == 1:
+ *             if PY_MAJOR_VERSION < 3:
+ *                 raise SerializerError("serializer is closed")             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise SerializerError(u"serializer is closed")
+ */
+  __pyx_tuple__44 = PyTuple_Pack(1, __pyx_kp_s_serializer_is_closed); if (unlikely(!__pyx_tuple__44)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1263; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__44);
+  __Pyx_GIVEREF(__pyx_tuple__44);
+
+  /* "_yaml.pyx":1265
+ *                 raise SerializerError("serializer is closed")
+ *             else:
+ *                 raise SerializerError(u"serializer is closed")             # <<<<<<<<<<<<<<
+ *         else:
+ *             if PY_MAJOR_VERSION < 3:
+ */
+  __pyx_tuple__45 = PyTuple_Pack(1, __pyx_kp_u_serializer_is_closed); if (unlikely(!__pyx_tuple__45)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1265; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__45);
+  __Pyx_GIVEREF(__pyx_tuple__45);
+
+  /* "_yaml.pyx":1268
+ *         else:
+ *             if PY_MAJOR_VERSION < 3:
+ *                 raise SerializerError("serializer is already opened")             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise SerializerError(u"serializer is already opened")
+ */
+  __pyx_tuple__46 = PyTuple_Pack(1, __pyx_kp_s_serializer_is_already_opened); if (unlikely(!__pyx_tuple__46)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1268; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__46);
+  __Pyx_GIVEREF(__pyx_tuple__46);
+
+  /* "_yaml.pyx":1270
+ *                 raise SerializerError("serializer is already opened")
+ *             else:
+ *                 raise SerializerError(u"serializer is already opened")             # <<<<<<<<<<<<<<
+ * 
+ *     def close(self):
+ */
+  __pyx_tuple__47 = PyTuple_Pack(1, __pyx_kp_u_serializer_is_already_opened); if (unlikely(!__pyx_tuple__47)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1270; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__47);
+  __Pyx_GIVEREF(__pyx_tuple__47);
+
+  /* "_yaml.pyx":1276
+ *         if self.closed == -1:
+ *             if PY_MAJOR_VERSION < 3:
+ *                 raise SerializerError("serializer is not opened")             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise SerializerError(u"serializer is not opened")
+ */
+  __pyx_tuple__48 = PyTuple_Pack(1, __pyx_kp_s_serializer_is_not_opened); if (unlikely(!__pyx_tuple__48)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__48);
+  __Pyx_GIVEREF(__pyx_tuple__48);
+
+  /* "_yaml.pyx":1278
+ *                 raise SerializerError("serializer is not opened")
+ *             else:
+ *                 raise SerializerError(u"serializer is not opened")             # <<<<<<<<<<<<<<
+ *         elif self.closed == 0:
+ *             yaml_stream_end_event_initialize(&event)
+ */
+  __pyx_tuple__49 = PyTuple_Pack(1, __pyx_kp_u_serializer_is_not_opened); if (unlikely(!__pyx_tuple__49)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1278; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__49);
+  __Pyx_GIVEREF(__pyx_tuple__49);
+
+  /* "_yaml.pyx":1295
+ *         if self.closed == -1:
+ *             if PY_MAJOR_VERSION < 3:
+ *                 raise SerializerError("serializer is not opened")             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise SerializerError(u"serializer is not opened")
+ */
+  __pyx_tuple__50 = PyTuple_Pack(1, __pyx_kp_s_serializer_is_not_opened); if (unlikely(!__pyx_tuple__50)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1295; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__50);
+  __Pyx_GIVEREF(__pyx_tuple__50);
+
+  /* "_yaml.pyx":1297
+ *                 raise SerializerError("serializer is not opened")
+ *             else:
+ *                 raise SerializerError(u"serializer is not opened")             # <<<<<<<<<<<<<<
+ *         elif self.closed == 1:
+ *             if PY_MAJOR_VERSION < 3:
+ */
+  __pyx_tuple__51 = PyTuple_Pack(1, __pyx_kp_u_serializer_is_not_opened); if (unlikely(!__pyx_tuple__51)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1297; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__51);
+  __Pyx_GIVEREF(__pyx_tuple__51);
+
+  /* "_yaml.pyx":1300
+ *         elif self.closed == 1:
+ *             if PY_MAJOR_VERSION < 3:
+ *                 raise SerializerError("serializer is closed")             # <<<<<<<<<<<<<<
+ *             else:
+ *                 raise SerializerError(u"serializer is closed")
+ */
+  __pyx_tuple__52 = PyTuple_Pack(1, __pyx_kp_s_serializer_is_closed); if (unlikely(!__pyx_tuple__52)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1300; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__52);
+  __Pyx_GIVEREF(__pyx_tuple__52);
+
+  /* "_yaml.pyx":1302
+ *                 raise SerializerError("serializer is closed")
+ *             else:
+ *                 raise SerializerError(u"serializer is closed")             # <<<<<<<<<<<<<<
+ *         cache = []
+ *         version_directive = NULL
+ */
+  __pyx_tuple__53 = PyTuple_Pack(1, __pyx_kp_u_serializer_is_closed); if (unlikely(!__pyx_tuple__53)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1302; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__53);
+  __Pyx_GIVEREF(__pyx_tuple__53);
+
+  /* "_yaml.pyx":1314
+ *             if len(self.use_tags) > 128:
+ *                 if PY_MAJOR_VERSION < 3:
+ *                     raise ValueError("too many tags")             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise ValueError(u"too many tags")
+ */
+  __pyx_tuple__54 = PyTuple_Pack(1, __pyx_kp_s_too_many_tags); if (unlikely(!__pyx_tuple__54)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1314; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__54);
+  __Pyx_GIVEREF(__pyx_tuple__54);
+
+  /* "_yaml.pyx":1316
+ *                     raise ValueError("too many tags")
+ *                 else:
+ *                     raise ValueError(u"too many tags")             # <<<<<<<<<<<<<<
+ *             tag_directives_start = tag_directives_value
+ *             tag_directives_end = tag_directives_value
+ */
+  __pyx_tuple__55 = PyTuple_Pack(1, __pyx_kp_u_too_many_tags); if (unlikely(!__pyx_tuple__55)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1316; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__55);
+  __Pyx_GIVEREF(__pyx_tuple__55);
+
+  /* "_yaml.pyx":1326
+ *                 if not PyString_CheckExact(handle):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("tag handle must be a string")             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         raise TypeError(u"tag handle must be a string")
+ */
+  __pyx_tuple__56 = PyTuple_Pack(1, __pyx_kp_s_tag_handle_must_be_a_string); if (unlikely(!__pyx_tuple__56)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1326; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__56);
+  __Pyx_GIVEREF(__pyx_tuple__56);
+
+  /* "_yaml.pyx":1328
+ *                         raise TypeError("tag handle must be a string")
+ *                     else:
+ *                         raise TypeError(u"tag handle must be a string")             # <<<<<<<<<<<<<<
+ *                 tag_directives_end.handle = PyString_AS_STRING(handle)
+ *                 if PyUnicode_CheckExact(prefix):
+ */
+  __pyx_tuple__57 = PyTuple_Pack(1, __pyx_kp_u_tag_handle_must_be_a_string); if (unlikely(!__pyx_tuple__57)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1328; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__57);
+  __Pyx_GIVEREF(__pyx_tuple__57);
+
+  /* "_yaml.pyx":1335
+ *                 if not PyString_CheckExact(prefix):
+ *                     if PY_MAJOR_VERSION < 3:
+ *                         raise TypeError("tag prefix must be a string")             # <<<<<<<<<<<<<<
+ *                     else:
+ *                         raise TypeError(u"tag prefix must be a string")
+ */
+  __pyx_tuple__58 = PyTuple_Pack(1, __pyx_kp_s_tag_prefix_must_be_a_string); if (unlikely(!__pyx_tuple__58)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1335; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__58);
+  __Pyx_GIVEREF(__pyx_tuple__58);
+
+  /* "_yaml.pyx":1337
+ *                         raise TypeError("tag prefix must be a string")
+ *                     else:
+ *                         raise TypeError(u"tag prefix must be a string")             # <<<<<<<<<<<<<<
+ *                 tag_directives_end.prefix = PyString_AS_STRING(prefix)
+ *                 tag_directives_end = tag_directives_end+1
+ */
+  __pyx_tuple__59 = PyTuple_Pack(1, __pyx_kp_u_tag_prefix_must_be_a_string); if (unlikely(!__pyx_tuple__59)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1337; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__59);
+  __Pyx_GIVEREF(__pyx_tuple__59);
+
+  /* "_yaml.pyx":1394
+ *             if not PyString_CheckExact(anchor_object):
+ *                 if PY_MAJOR_VERSION < 3:
+ *                     raise TypeError("anchor must be a string")             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise TypeError(u"anchor must be a string")
+ */
+  __pyx_tuple__60 = PyTuple_Pack(1, __pyx_kp_s_anchor_must_be_a_string); if (unlikely(!__pyx_tuple__60)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1394; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__60);
+  __Pyx_GIVEREF(__pyx_tuple__60);
+
+  /* "_yaml.pyx":1396
+ *                     raise TypeError("anchor must be a string")
+ *                 else:
+ *                     raise TypeError(u"anchor must be a string")             # <<<<<<<<<<<<<<
+ *             anchor = PyString_AS_STRING(anchor_object)
+ *         if node in self.serialized_nodes:
+ */
+  __pyx_tuple__61 = PyTuple_Pack(1, __pyx_kp_u_anchor_must_be_a_string); if (unlikely(!__pyx_tuple__61)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1396; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__61);
+  __Pyx_GIVEREF(__pyx_tuple__61);
+
+  /* "_yaml.pyx":1412
+ *                 quoted_implicit = 0
+ *                 tag_object = node.tag
+ *                 if self.resolve(ScalarNode, node.value, (True, False)) == tag_object:             # <<<<<<<<<<<<<<
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+ *                 if self.resolve(ScalarNode, node.value, (False, True)) == tag_object:
+ */
+  __pyx_tuple__62 = PyTuple_Pack(2, Py_True, Py_False); if (unlikely(!__pyx_tuple__62)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1412; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__62);
+  __Pyx_GIVEREF(__pyx_tuple__62);
+
+  /* "_yaml.pyx":1414
+ *                 if self.resolve(ScalarNode, node.value, (True, False)) == tag_object:
+ *                     plain_implicit = 1
+ *                 if self.resolve(ScalarNode, node.value, (False, True)) == tag_object:             # <<<<<<<<<<<<<<
+ *                     quoted_implicit = 1
+ *                 tag = NULL
+ */
+  __pyx_tuple__63 = PyTuple_Pack(2, Py_False, Py_True); if (unlikely(!__pyx_tuple__63)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1414; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__63);
+  __Pyx_GIVEREF(__pyx_tuple__63);
+
+  /* "_yaml.pyx":1422
+ *                     if not PyString_CheckExact(tag_object):
+ *                         if PY_MAJOR_VERSION < 3:
+ *                             raise TypeError("tag must be a string")             # <<<<<<<<<<<<<<
+ *                         else:
+ *                             raise TypeError(u"tag must be a string")
+ */
+  __pyx_tuple__64 = PyTuple_Pack(1, __pyx_kp_s_tag_must_be_a_string); if (unlikely(!__pyx_tuple__64)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1422; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__64);
+  __Pyx_GIVEREF(__pyx_tuple__64);
+
+  /* "_yaml.pyx":1424
+ *                             raise TypeError("tag must be a string")
+ *                         else:
+ *                             raise TypeError(u"tag must be a string")             # <<<<<<<<<<<<<<
+ *                     tag = PyString_AS_STRING(tag_object)
+ *                 value_object = node.value
+ */
+  __pyx_tuple__65 = PyTuple_Pack(1, __pyx_kp_u_tag_must_be_a_string); if (unlikely(!__pyx_tuple__65)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1424; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__65);
+  __Pyx_GIVEREF(__pyx_tuple__65);
+
+  /* "_yaml.pyx":1431
+ *                 if not PyString_CheckExact(value_object):
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+  __Pyx_GIVEREF(__pyx_tuple__69);
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+  /* "_yaml.pyx":1495
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+ *                             raise TypeError("tag must be a string")
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+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_SequenceNode); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_SequenceNode, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 61; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "_yaml.pyx":62
+ * ScalarNode = yaml.nodes.ScalarNode
+ * SequenceNode = yaml.nodes.SequenceNode
+ * MappingNode = yaml.nodes.MappingNode             # <<<<<<<<<<<<<<
+ * 
+ * cdef class Mark:
+ */
+  __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_yaml); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_nodes); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_2);
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_MappingNode); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_MappingNode, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 62; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+
+  /* "_yaml.pyx":2
+ * 
+ * import yaml             # <<<<<<<<<<<<<<
+ * 
+ * def get_version_string():
+ */
+  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 2; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
+  if (__pyx_m) {
+    __Pyx_AddTraceback("init _yaml", __pyx_clineno, __pyx_lineno, __pyx_filename);
+    Py_DECREF(__pyx_m); __pyx_m = 0;
+  } else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_ImportError, "init _yaml");
+  }
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  #if PY_MAJOR_VERSION < 3
+  return;
+  #else
+  return __pyx_m;
+  #endif
+}
+
+/* Runtime support code */
+#if CYTHON_REFNANNY
+static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) {
+    PyObject *m = NULL, *p = NULL;
+    void *r = NULL;
+    m = PyImport_ImportModule((char *)modname);
+    if (!m) goto end;
+    p = PyObject_GetAttrString(m, (char *)"RefNannyAPI");
+    if (!p) goto end;
+    r = PyLong_AsVoidPtr(p);
+end:
+    Py_XDECREF(p);
+    Py_XDECREF(m);
+    return (__Pyx_RefNannyAPIStruct *)r;
+}
+#endif /* CYTHON_REFNANNY */
+
+static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
+    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
+    if (unlikely(!result)) {
+        PyErr_Format(PyExc_NameError,
+#if PY_MAJOR_VERSION >= 3
+            "name '%U' is not defined", name);
+#else
+            "name '%.200s' is not defined", PyString_AS_STRING(name));
+#endif
+    }
+    return result;
+}
+
+static void __Pyx_RaiseArgtupleInvalid(
+    const char* func_name,
+    int exact,
+    Py_ssize_t num_min,
+    Py_ssize_t num_max,
+    Py_ssize_t num_found)
+{
+    Py_ssize_t num_expected;
+    const char *more_or_less;
+    if (num_found < num_min) {
+        num_expected = num_min;
+        more_or_less = "at least";
+    } else {
+        num_expected = num_max;
+        more_or_less = "at most";
+    }
+    if (exact) {
+        more_or_less = "exactly";
+    }
+    PyErr_Format(PyExc_TypeError,
+                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                 func_name, more_or_less, num_expected,
+                 (num_expected == 1) ? "" : "s", num_found);
+}
+
+static void __Pyx_RaiseDoubleKeywordsError(
+    const char* func_name,
+    PyObject* kw_name)
+{
+    PyErr_Format(PyExc_TypeError,
+        #if PY_MAJOR_VERSION >= 3
+        "%s() got multiple values for keyword argument '%U'", func_name, kw_name);
+        #else
+        "%s() got multiple values for keyword argument '%s'", func_name,
+        PyString_AsString(kw_name));
+        #endif
+}
+
+static int __Pyx_ParseOptionalKeywords(
+    PyObject *kwds,
+    PyObject **argnames[],
+    PyObject *kwds2,
+    PyObject *values[],
+    Py_ssize_t num_pos_args,
+    const char* function_name)
+{
+    PyObject *key = 0, *value = 0;
+    Py_ssize_t pos = 0;
+    PyObject*** name;
+    PyObject*** first_kw_arg = argnames + num_pos_args;
+    while (PyDict_Next(kwds, &pos, &key, &value)) {
+        name = first_kw_arg;
+        while (*name && (**name != key)) name++;
+        if (*name) {
+            values[name-argnames] = value;
+            continue;
+        }
+        name = first_kw_arg;
+        #if PY_MAJOR_VERSION < 3
+        if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) {
+            while (*name) {
+                if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key))
+                        && _PyString_Eq(**name, key)) {
+                    values[name-argnames] = value;
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    if ((**argname == key) || (
+                            (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key))
+                             && _PyString_Eq(**argname, key))) {
+                        goto arg_passed_twice;
+                    }
+                    argname++;
+                }
+            }
+        } else
+        #endif
+        if (likely(PyUnicode_Check(key))) {
+            while (*name) {
+                int cmp = (**name == key) ? 0 :
+                #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                    (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 :
+                #endif
+                    PyUnicode_Compare(**name, key);
+                if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                if (cmp == 0) {
+                    values[name-argnames] = value;
+                    break;
+                }
+                name++;
+            }
+            if (*name) continue;
+            else {
+                PyObject*** argname = argnames;
+                while (argname != first_kw_arg) {
+                    int cmp = (**argname == key) ? 0 :
+                    #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3
+                        (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 :
+                    #endif
+                        PyUnicode_Compare(**argname, key);
+                    if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad;
+                    if (cmp == 0) goto arg_passed_twice;
+                    argname++;
+                }
+            }
+        } else
+            goto invalid_keyword_type;
+        if (kwds2) {
+            if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad;
+        } else {
+            goto invalid_keyword;
+        }
+    }
+    return 0;
+arg_passed_twice:
+    __Pyx_RaiseDoubleKeywordsError(function_name, key);
+    goto bad;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    goto bad;
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%.200s() got an unexpected keyword argument '%.200s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+bad:
+    return -1;
+}
+
+static CYTHON_INLINE void __Pyx_ExceptionSave(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    *type = tstate->exc_type;
+    *value = tstate->exc_value;
+    *tb = tstate->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+#else
+    PyErr_GetExcInfo(type, value, tb);
+#endif
+}
+static void __Pyx_ExceptionReset(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = type;
+    tstate->exc_value = value;
+    tstate->exc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(type, value, tb);
+#endif
+}
+
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
+    PyObject *local_type, *local_value, *local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    local_type = tstate->curexc_type;
+    local_value = tstate->curexc_value;
+    local_tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
+    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
+        goto bad;
+    #if PY_MAJOR_VERSION >= 3
+    if (local_tb) {
+        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
+            goto bad;
+    }
+    #endif
+    Py_XINCREF(local_tb);
+    Py_XINCREF(local_type);
+    Py_XINCREF(local_value);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_COMPILING_IN_CPYTHON
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = local_type;
+    tstate->exc_value = local_value;
+    tstate->exc_traceback = local_tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
+    return 0;
+bad:
+    *type = 0;
+    *value = 0;
+    *tb = 0;
+    Py_XDECREF(local_type);
+    Py_XDECREF(local_value);
+    Py_XDECREF(local_tb);
+    return -1;
+}
+
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *result;
+    ternaryfunc call = func->ob_type->tp_call;
+    if (unlikely(!call))
+        return PyObject_Call(func, arg, kw);
+#if PY_VERSION_HEX >= 0x02060000
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+        return NULL;
+#endif
+    result = (*call)(func, arg, kw);
+#if PY_VERSION_HEX >= 0x02060000
+    Py_LeaveRecursiveCall();
+#endif
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
+static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    PyThreadState *tstate = PyThreadState_GET();
+    tmp_type = tstate->curexc_type;
+    tmp_value = tstate->curexc_value;
+    tmp_tb = tstate->curexc_traceback;
+    tstate->curexc_type = type;
+    tstate->curexc_value = value;
+    tstate->curexc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_Restore(type, value, tb);
+#endif
+}
+static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    *type = tstate->curexc_type;
+    *value = tstate->curexc_value;
+    *tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(type, value, tb);
+#endif
+}
+
+#if PY_MAJOR_VERSION < 3
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
+                        CYTHON_UNUSED PyObject *cause) {
+    Py_XINCREF(type);
+    if (!value || value == Py_None)
+        value = NULL;
+    else
+        Py_INCREF(value);
+    if (!tb || tb == Py_None)
+        tb = NULL;
+    else {
+        Py_INCREF(tb);
+        if (!PyTraceBack_Check(tb)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: arg 3 must be a traceback or None");
+            goto raise_error;
+        }
+    }
+    #if PY_VERSION_HEX < 0x02050000
+    if (PyClass_Check(type)) {
+    #else
+    if (PyType_Check(type)) {
+    #endif
+#if CYTHON_COMPILING_IN_PYPY
+        if (!value) {
+            Py_INCREF(Py_None);
+            value = Py_None;
+        }
+#endif
+        PyErr_NormalizeException(&type, &value, &tb);
+    } else {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto raise_error;
+        }
+        value = type;
+        #if PY_VERSION_HEX < 0x02050000
+        if (PyInstance_Check(type)) {
+            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
+            Py_INCREF(type);
+        } else {
+            type = 0;
+            PyErr_SetString(PyExc_TypeError,
+                "raise: exception must be an old-style class or instance");
+            goto raise_error;
+        }
+        #else
+        type = (PyObject*) Py_TYPE(type);
+        Py_INCREF(type);
+        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: exception class must be a subclass of BaseException");
+            goto raise_error;
+        }
+        #endif
+    }
+    __Pyx_ErrRestore(type, value, tb);
+    return;
+raise_error:
+    Py_XDECREF(value);
+    Py_XDECREF(type);
+    Py_XDECREF(tb);
+    return;
+}
+#else /* Python 3+ */
+static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
+    PyObject* owned_instance = NULL;
+    if (tb == Py_None) {
+        tb = 0;
+    } else if (tb && !PyTraceBack_Check(tb)) {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: arg 3 must be a traceback or None");
+        goto bad;
+    }
+    if (value == Py_None)
+        value = 0;
+    if (PyExceptionInstance_Check(type)) {
+        if (value) {
+            PyErr_SetString(PyExc_TypeError,
+                "instance exception may not have a separate value");
+            goto bad;
+        }
+        value = type;
+        type = (PyObject*) Py_TYPE(value);
+    } else if (PyExceptionClass_Check(type)) {
+        PyObject *instance_class = NULL;
+        if (value && PyExceptionInstance_Check(value)) {
+            instance_class = (PyObject*) Py_TYPE(value);
+            if (instance_class != type) {
+                if (PyObject_IsSubclass(instance_class, type)) {
+                    type = instance_class;
+                } else {
+                    instance_class = NULL;
+                }
+            }
+        }
+        if (!instance_class) {
+            PyObject *args;
+            if (!value)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            } else
+                args = PyTuple_Pack(1, value);
+            if (!args)
+                goto bad;
+            owned_instance = PyObject_Call(type, args, NULL);
+            Py_DECREF(args);
+            if (!owned_instance)
+                goto bad;
+            value = owned_instance;
+            if (!PyExceptionInstance_Check(value)) {
+                PyErr_Format(PyExc_TypeError,
+                             "calling %R should have returned an instance of "
+                             "BaseException, not %R",
+                             type, Py_TYPE(value));
+                goto bad;
+            }
+        }
+    } else {
+        PyErr_SetString(PyExc_TypeError,
+            "raise: exception class must be a subclass of BaseException");
+        goto bad;
+    }
+#if PY_VERSION_HEX >= 0x03030000
+    if (cause) {
+#else
+    if (cause && cause != Py_None) {
+#endif
+        PyObject *fixed_cause;
+        if (cause == Py_None) {
+            fixed_cause = NULL;
+        } else if (PyExceptionClass_Check(cause)) {
+            fixed_cause = PyObject_CallObject(cause, NULL);
+            if (fixed_cause == NULL)
+                goto bad;
+        } else if (PyExceptionInstance_Check(cause)) {
+            fixed_cause = cause;
+            Py_INCREF(fixed_cause);
+        } else {
+            PyErr_SetString(PyExc_TypeError,
+                            "exception causes must derive from "
+                            "BaseException");
+            goto bad;
+        }
+        PyException_SetCause(value, fixed_cause);
+    }
+    PyErr_SetObject(type, value);
+    if (tb) {
+        PyThreadState *tstate = PyThreadState_GET();
+        PyObject* tmp_tb = tstate->curexc_traceback;
+        if (tb != tmp_tb) {
+            Py_INCREF(tb);
+            tstate->curexc_traceback = tb;
+            Py_XDECREF(tmp_tb);
+        }
+    }
+bad:
+    Py_XDECREF(owned_instance);
+    return;
+}
+#endif
+
+static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
+    PyObject *result;
+#if CYTHON_COMPILING_IN_CPYTHON
+    result = PyDict_GetItem(__pyx_d, name);
+    if (result) {
+        Py_INCREF(result);
+    } else {
+#else
+    result = PyObject_GetItem(__pyx_d, name);
+    if (!result) {
+        PyErr_Clear();
+#endif
+        result = __Pyx_GetBuiltinName(name);
+    }
+    return result;
+}
+
+static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
+    PyObject *kwdict,
+    const char* function_name,
+    int kw_allowed)
+{
+    PyObject* key = 0;
+    Py_ssize_t pos = 0;
+#if CPYTHON_COMPILING_IN_PYPY
+    if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0))
+        goto invalid_keyword;
+    return 1;
+#else
+    while (PyDict_Next(kwdict, &pos, &key, 0)) {
+        #if PY_MAJOR_VERSION < 3
+        if (unlikely(!PyString_CheckExact(key)) && unlikely(!PyString_Check(key)))
+        #endif
+            if (unlikely(!PyUnicode_Check(key)))
+                goto invalid_keyword_type;
+    }
+    if ((!kw_allowed) && unlikely(key))
+        goto invalid_keyword;
+    return 1;
+invalid_keyword_type:
+    PyErr_Format(PyExc_TypeError,
+        "%.200s() keywords must be strings", function_name);
+    return 0;
+#endif
+invalid_keyword:
+    PyErr_Format(PyExc_TypeError,
+    #if PY_MAJOR_VERSION < 3
+        "%.200s() got an unexpected keyword argument '%.200s'",
+        function_name, PyString_AsString(key));
+    #else
+        "%s() got an unexpected keyword argument '%U'",
+        function_name, key);
+    #endif
+    return 0;
+}
+
+static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) {
+    PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname);
+}
+
+static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) {
+#if CYTHON_COMPILING_IN_CPYTHON
+#if PY_MAJOR_VERSION >= 3
+    if (likely(PyUnicode_Check(n)))
+#else
+    if (likely(PyString_Check(n)))
+#endif
+        return __Pyx_PyObject_GetAttrStr(o, n);
+#endif
+    return PyObject_GetAttr(o, n);
+}
+
+static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) {
+    PyObject *r = __Pyx_GetAttr(o, n);
+    if (unlikely(!r)) {
+        if (!PyErr_ExceptionMatches(PyExc_AttributeError))
+            goto bad;
+        PyErr_Clear();
+        r = d;
+        Py_INCREF(d);
+    }
+    return r;
+bad:
+    return NULL;
+}
+
+static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+    if (s1 == s2) {
+        return (equals == Py_EQ);
+    } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) {
+        const char *ps1, *ps2;
+        Py_ssize_t length = PyBytes_GET_SIZE(s1);
+        if (length != PyBytes_GET_SIZE(s2))
+            return (equals == Py_NE);
+        ps1 = PyBytes_AS_STRING(s1);
+        ps2 = PyBytes_AS_STRING(s2);
+        if (ps1[0] != ps2[0]) {
+            return (equals == Py_NE);
+        } else if (length == 1) {
+            return (equals == Py_EQ);
+        } else {
+            int result = memcmp(ps1, ps2, (size_t)length);
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) {
+        return (equals == Py_NE);
+    } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) {
+        return (equals == Py_NE);
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+#endif
+}
+
+static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) {
+#if CYTHON_COMPILING_IN_PYPY
+    return PyObject_RichCompareBool(s1, s2, equals);
+#else
+#if PY_MAJOR_VERSION < 3
+    PyObject* owned_ref = NULL;
+#endif
+    int s1_is_unicode, s2_is_unicode;
+    if (s1 == s2) {
+        goto return_eq;
+    }
+    s1_is_unicode = PyUnicode_CheckExact(s1);
+    s2_is_unicode = PyUnicode_CheckExact(s2);
+#if PY_MAJOR_VERSION < 3
+    if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) {
+        owned_ref = PyUnicode_FromObject(s2);
+        if (unlikely(!owned_ref))
+            return -1;
+        s2 = owned_ref;
+        s2_is_unicode = 1;
+    } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) {
+        owned_ref = PyUnicode_FromObject(s1);
+        if (unlikely(!owned_ref))
+            return -1;
+        s1 = owned_ref;
+        s1_is_unicode = 1;
+    } else if (((!s2_is_unicode) & (!s1_is_unicode))) {
+        return __Pyx_PyBytes_Equals(s1, s2, equals);
+    }
+#endif
+    if (s1_is_unicode & s2_is_unicode) {
+        Py_ssize_t length;
+        int kind;
+        void *data1, *data2;
+        #if CYTHON_PEP393_ENABLED
+        if (unlikely(PyUnicode_READY(s1) < 0) || unlikely(PyUnicode_READY(s2) < 0))
+            return -1;
+        #endif
+        length = __Pyx_PyUnicode_GET_LENGTH(s1);
+        if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) {
+            goto return_ne;
+        }
+        kind = __Pyx_PyUnicode_KIND(s1);
+        if (kind != __Pyx_PyUnicode_KIND(s2)) {
+            goto return_ne;
+        }
+        data1 = __Pyx_PyUnicode_DATA(s1);
+        data2 = __Pyx_PyUnicode_DATA(s2);
+        if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) {
+            goto return_ne;
+        } else if (length == 1) {
+            goto return_eq;
+        } else {
+            int result = memcmp(data1, data2, length * kind);
+            #if PY_MAJOR_VERSION < 3
+            Py_XDECREF(owned_ref);
+            #endif
+            return (equals == Py_EQ) ? (result == 0) : (result != 0);
+        }
+    } else if ((s1 == Py_None) & s2_is_unicode) {
+        goto return_ne;
+    } else if ((s2 == Py_None) & s1_is_unicode) {
+        goto return_ne;
+    } else {
+        int result;
+        PyObject* py_result = PyObject_RichCompare(s1, s2, equals);
+        if (!py_result)
+            return -1;
+        result = __Pyx_PyObject_IsTrue(py_result);
+        Py_DECREF(py_result);
+        return result;
+    }
+return_eq:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_EQ);
+return_ne:
+    #if PY_MAJOR_VERSION < 3
+    Py_XDECREF(owned_ref);
+    #endif
+    return (equals == Py_NE);
+#endif
+}
+
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
+    PyObject *r;
+    if (!j) return NULL;
+    r = PyObject_GetItem(o, j);
+    Py_DECREF(j);
+    return r;
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
+                                                              int wraparound, int boundscheck) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (wraparound & unlikely(i < 0)) i += PyList_GET_SIZE(o);
+    if ((!boundscheck) || likely((0 <= i) & (i < PyList_GET_SIZE(o)))) {
+        PyObject *r = PyList_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
+                                                              int wraparound, int boundscheck) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (wraparound & unlikely(i < 0)) i += PyTuple_GET_SIZE(o);
+    if ((!boundscheck) || likely((0 <= i) & (i < PyTuple_GET_SIZE(o)))) {
+        PyObject *r = PyTuple_GET_ITEM(o, i);
+        Py_INCREF(r);
+        return r;
+    }
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+#else
+    return PySequence_GetItem(o, i);
+#endif
+}
+static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i,
+                                                     int is_list, int wraparound, int boundscheck) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    if (is_list || PyList_CheckExact(o)) {
+        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
+        if ((!boundscheck) || (likely((n >= 0) & (n < PyList_GET_SIZE(o))))) {
+            PyObject *r = PyList_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    }
+    else if (PyTuple_CheckExact(o)) {
+        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
+        if ((!boundscheck) || likely((n >= 0) & (n < PyTuple_GET_SIZE(o)))) {
+            PyObject *r = PyTuple_GET_ITEM(o, n);
+            Py_INCREF(r);
+            return r;
+        }
+    } else {
+        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
+        if (likely(m && m->sq_item)) {
+            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
+                Py_ssize_t l = m->sq_length(o);
+                if (likely(l >= 0)) {
+                    i += l;
+                } else {
+                    if (PyErr_ExceptionMatches(PyExc_OverflowError))
+                        PyErr_Clear();
+                    else
+                        return NULL;
+                }
+            }
+            return m->sq_item(o, i);
+        }
+    }
+#else
+    if (is_list || PySequence_Check(o)) {
+        return PySequence_GetItem(o, i);
+    }
+#endif
+    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
+}
+
+static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    PyErr_Format(PyExc_ValueError,
+                 "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
+}
+
+static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    PyErr_Format(PyExc_ValueError,
+                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
+                 index, (index == 1) ? "" : "s");
+}
+
+static CYTHON_INLINE int __Pyx_IterFinish(void) {
+#if CYTHON_COMPILING_IN_CPYTHON
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject* exc_type = tstate->curexc_type;
+    if (unlikely(exc_type)) {
+        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
+            PyObject *exc_value, *exc_tb;
+            exc_value = tstate->curexc_value;
+            exc_tb = tstate->curexc_traceback;
+            tstate->curexc_type = 0;
+            tstate->curexc_value = 0;
+            tstate->curexc_traceback = 0;
+            Py_DECREF(exc_type);
+            Py_XDECREF(exc_value);
+            Py_XDECREF(exc_tb);
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#else
+    if (unlikely(PyErr_Occurred())) {
+        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
+            PyErr_Clear();
+            return 0;
+        } else {
+            return -1;
+        }
+    }
+    return 0;
+#endif
+}
+
+static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
+    if (unlikely(retval)) {
+        Py_DECREF(retval);
+        __Pyx_RaiseTooManyValuesError(expected);
+        return -1;
+    } else {
+        return __Pyx_IterFinish();
+    }
+    return 0;
+}
+
+static int __Pyx_SetVtable(PyObject *dict, void *vtable) {
+#if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION==3&&PY_MINOR_VERSION==0)
+    PyObject *ob = PyCapsule_New(vtable, 0, 0);
+#else
+    PyObject *ob = PyCObject_FromVoidPtr(vtable, 0);
+#endif
+    if (!ob)
+        goto bad;
+    if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0)
+        goto bad;
+    Py_DECREF(ob);
+    return 0;
+bad:
+    Py_XDECREF(ob);
+    return -1;
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
+    const int neg_one = (int) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(int) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+        } else if (sizeof(int) <= sizeof(unsigned long long)) {
+            return PyLong_FromUnsignedLongLong((unsigned long long) value);
+        }
+    } else {
+        if (sizeof(int) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int) <= sizeof(long long)) {
+            return PyLong_FromLongLong((long long) value);
+        }
+    }
+    {
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&value;
+        return _PyLong_FromByteArray(bytes, sizeof(int),
+                                     little, !is_unsigned);
+    }
+}
+
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    #if PY_VERSION_HEX < 0x03030000
+    PyObject *py_import;
+    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
+    if (!py_import)
+        goto bad;
+    #endif
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    #if PY_VERSION_HEX >= 0x02050000
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                #if PY_VERSION_HEX < 0x03030000
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                #else
+                module = PyImport_ImportModuleLevelObject(
+                    name, global_dict, empty_dict, list, 1);
+                #endif
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0; /* try absolute import on failure */
+        }
+        #endif
+        if (!module) {
+            #if PY_VERSION_HEX < 0x03030000
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+            #else
+            module = PyImport_ImportModuleLevelObject(
+                name, global_dict, empty_dict, list, level);
+            #endif
+        }
+    }
+    #else
+    if (level>0) {
+        PyErr_SetString(PyExc_RuntimeError, "Relative import is not supported for Python <=2.4.");
+        goto bad;
+    }
+    module = PyObject_CallFunctionObjArgs(py_import,
+        name, global_dict, empty_dict, list, NULL);
+    #endif
+bad:
+    #if PY_VERSION_HEX < 0x03030000
+    Py_XDECREF(py_import);
+    #endif
+    Py_XDECREF(empty_list);
+    Py_XDECREF(empty_dict);
+    return module;
+}
+
+#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
+    {                                                                     \
+        func_type value = func(x);                                        \
+        if (sizeof(target_type) < sizeof(func_type)) {                    \
+            if (unlikely(value != (func_type) (target_type) value)) {     \
+                func_type zero = 0;                                       \
+                PyErr_SetString(PyExc_OverflowError,                      \
+                    (is_unsigned && unlikely(value < zero)) ?             \
+                    "can't convert negative value to " #target_type :     \
+                    "value too large to convert to " #target_type);       \
+                return (target_type) -1;                                  \
+            }                                                             \
+        }                                                                 \
+        return (target_type) value;                                       \
+    }
+
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+  #include "longintrepr.h"
+ #endif
+#endif
+static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
+    const int neg_one = (int) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_MAJOR_VERSION < 3
+    if (likely(PyInt_Check(x))) {
+        if (sizeof(int) < sizeof(long)) {
+            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
+        } else {
+            long val = PyInt_AS_LONG(x);
+            if (is_unsigned && unlikely(val < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to int");
+                return (int) -1;
+            }
+            return (int) val;
+        }
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(int)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to int");
+                return (int) -1;
+            }
+            if (sizeof(int) <= sizeof(unsigned long)) {
+                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
+            } else if (sizeof(int) <= sizeof(unsigned long long)) {
+                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
+            }
+        } else {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(int)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
+                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (sizeof(int) <= sizeof(long)) {
+                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
+            } else if (sizeof(int) <= sizeof(long long)) {
+                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
+            }
+        }
+        {
+#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
+            PyErr_SetString(PyExc_RuntimeError,
+                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
+#else
+            int val;
+            PyObject *v = __Pyx_PyNumber_Int(x);
+ #if PY_MAJOR_VERSION < 3
+            if (likely(v) && !PyLong_Check(v)) {
+                PyObject *tmp = v;
+                v = PyNumber_Long(tmp);
+                Py_DECREF(tmp);
+            }
+ #endif
+            if (likely(v)) {
+                int one = 1; int is_little = (int)*(unsigned char *)&one;
+                unsigned char *bytes = (unsigned char *)&val;
+                int ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                              bytes, sizeof(val),
+                                              is_little, !is_unsigned);
+                Py_DECREF(v);
+                if (likely(!ret))
+                    return val;
+            }
+#endif
+            return (int) -1;
+        }
+    } else {
+        int val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (int) -1;
+        val = __Pyx_PyInt_As_int(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
+    const long neg_one = (long) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(long) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+        } else if (sizeof(long) <= sizeof(unsigned long long)) {
+            return PyLong_FromUnsignedLongLong((unsigned long long) value);
+        }
+    } else {
+        if (sizeof(long) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(long long)) {
+            return PyLong_FromLongLong((long long) value);
+        }
+    }
+    {
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&value;
+        return _PyLong_FromByteArray(bytes, sizeof(long),
+                                     little, !is_unsigned);
+    }
+}
+
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+  #include "longintrepr.h"
+ #endif
+#endif
+static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
+    const long neg_one = (long) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_MAJOR_VERSION < 3
+    if (likely(PyInt_Check(x))) {
+        if (sizeof(long) < sizeof(long)) {
+            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
+        } else {
+            long val = PyInt_AS_LONG(x);
+            if (is_unsigned && unlikely(val < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to long");
+                return (long) -1;
+            }
+            return (long) val;
+        }
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(long)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to long");
+                return (long) -1;
+            }
+            if (sizeof(long) <= sizeof(unsigned long)) {
+                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
+            } else if (sizeof(long) <= sizeof(unsigned long long)) {
+                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
+            }
+        } else {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(long)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
+                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (sizeof(long) <= sizeof(long)) {
+                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
+            } else if (sizeof(long) <= sizeof(long long)) {
+                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
+            }
+        }
+        {
+#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
+            PyErr_SetString(PyExc_RuntimeError,
+                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
+#else
+            long val;
+            PyObject *v = __Pyx_PyNumber_Int(x);
+ #if PY_MAJOR_VERSION < 3
+            if (likely(v) && !PyLong_Check(v)) {
+                PyObject *tmp = v;
+                v = PyNumber_Long(tmp);
+                Py_DECREF(tmp);
+            }
+ #endif
+            if (likely(v)) {
+                int one = 1; int is_little = (int)*(unsigned char *)&one;
+                unsigned char *bytes = (unsigned char *)&val;
+                int ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                              bytes, sizeof(val),
+                                              is_little, !is_unsigned);
+                Py_DECREF(v);
+                if (likely(!ret))
+                    return val;
+            }
+#endif
+            return (long) -1;
+        }
+    } else {
+        long val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (long) -1;
+        val = __Pyx_PyInt_As_long(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+static int __Pyx_check_binary_version(void) {
+    char ctversion[4], rtversion[4];
+    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
+    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
+    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
+        char message[200];
+        PyOS_snprintf(message, sizeof(message),
+                      "compiletime version %s of module '%.100s' "
+                      "does not match runtime version %s",
+                      ctversion, __Pyx_MODULE_NAME, rtversion);
+        #if PY_VERSION_HEX < 0x02050000
+        return PyErr_Warn(NULL, message);
+        #else
+        return PyErr_WarnEx(NULL, message, 1);
+        #endif
+    }
+    return 0;
+}
+
+static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+    int start = 0, mid = 0, end = count - 1;
+    if (end >= 0 && code_line > entries[end].code_line) {
+        return count;
+    }
+    while (start < end) {
+        mid = (start + end) / 2;
+        if (code_line < entries[mid].code_line) {
+            end = mid;
+        } else if (code_line > entries[mid].code_line) {
+             start = mid + 1;
+        } else {
+            return mid;
+        }
+    }
+    if (code_line <= entries[mid].code_line) {
+        return mid;
+    } else {
+        return mid + 1;
+    }
+}
+static PyCodeObject *__pyx_find_code_object(int code_line) {
+    PyCodeObject* code_object;
+    int pos;
+    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
+        return NULL;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
+        return NULL;
+    }
+    code_object = __pyx_code_cache.entries[pos].code_object;
+    Py_INCREF(code_object);
+    return code_object;
+}
+static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
+    int pos, i;
+    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
+    if (unlikely(!code_line)) {
+        return;
+    }
+    if (unlikely(!entries)) {
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (likely(entries)) {
+            __pyx_code_cache.entries = entries;
+            __pyx_code_cache.max_count = 64;
+            __pyx_code_cache.count = 1;
+            entries[0].code_line = code_line;
+            entries[0].code_object = code_object;
+            Py_INCREF(code_object);
+        }
+        return;
+    }
+    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
+    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
+        PyCodeObject* tmp = entries[pos].code_object;
+        entries[pos].code_object = code_object;
+        Py_DECREF(tmp);
+        return;
+    }
+    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
+        int new_max = __pyx_code_cache.max_count + 64;
+        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
+            __pyx_code_cache.entries, new_max*sizeof(__Pyx_CodeObjectCacheEntry));
+        if (unlikely(!entries)) {
+            return;
+        }
+        __pyx_code_cache.entries = entries;
+        __pyx_code_cache.max_count = new_max;
+    }
+    for (i=__pyx_code_cache.count; i>pos; i--) {
+        entries[i] = entries[i-1];
+    }
+    entries[pos].code_line = code_line;
+    entries[pos].code_object = code_object;
+    __pyx_code_cache.count++;
+    Py_INCREF(code_object);
+}
+
+#include "compile.h"
+#include "frameobject.h"
+#include "traceback.h"
+static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
+            const char *funcname, int c_line,
+            int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_srcfile = 0;
+    PyObject *py_funcname = 0;
+    #if PY_MAJOR_VERSION < 3
+    py_srcfile = PyString_FromString(filename);
+    #else
+    py_srcfile = PyUnicode_FromString(filename);
+    #endif
+    if (!py_srcfile) goto bad;
+    if (c_line) {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #else
+        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
+        #endif
+    }
+    else {
+        #if PY_MAJOR_VERSION < 3
+        py_funcname = PyString_FromString(funcname);
+        #else
+        py_funcname = PyUnicode_FromString(funcname);
+        #endif
+    }
+    if (!py_funcname) goto bad;
+    py_code = __Pyx_PyCode_New(
+        0,            /*int argcount,*/
+        0,            /*int kwonlyargcount,*/
+        0,            /*int nlocals,*/
+        0,            /*int stacksize,*/
+        0,            /*int flags,*/
+        __pyx_empty_bytes, /*PyObject *code,*/
+        __pyx_empty_tuple, /*PyObject *consts,*/
+        __pyx_empty_tuple, /*PyObject *names,*/
+        __pyx_empty_tuple, /*PyObject *varnames,*/
+        __pyx_empty_tuple, /*PyObject *freevars,*/
+        __pyx_empty_tuple, /*PyObject *cellvars,*/
+        py_srcfile,   /*PyObject *filename,*/
+        py_funcname,  /*PyObject *name,*/
+        py_line,      /*int firstlineno,*/
+        __pyx_empty_bytes  /*PyObject *lnotab*/
+    );
+    Py_DECREF(py_srcfile);
+    Py_DECREF(py_funcname);
+    return py_code;
+bad:
+    Py_XDECREF(py_srcfile);
+    Py_XDECREF(py_funcname);
+    return NULL;
+}
+static void __Pyx_AddTraceback(const char *funcname, int c_line,
+                               int py_line, const char *filename) {
+    PyCodeObject *py_code = 0;
+    PyObject *py_globals = 0;
+    PyFrameObject *py_frame = 0;
+    py_code = __pyx_find_code_object(c_line ? c_line : py_line);
+    if (!py_code) {
+        py_code = __Pyx_CreateCodeObjectForTraceback(
+            funcname, c_line, py_line, filename);
+        if (!py_code) goto bad;
+        __pyx_insert_code_object(c_line ? c_line : py_line, py_code);
+    }
+    py_globals = PyModule_GetDict(__pyx_m);
+    if (!py_globals) goto bad;
+    py_frame = PyFrame_New(
+        PyThreadState_GET(), /*PyThreadState *tstate,*/
+        py_code,             /*PyCodeObject *code,*/
+        py_globals,          /*PyObject *globals,*/
+        0                    /*PyObject *locals*/
+    );
+    if (!py_frame) goto bad;
+    py_frame->f_lineno = py_line;
+    PyTraceBack_Here(py_frame);
+bad:
+    Py_XDECREF(py_code);
+    Py_XDECREF(py_frame);
+}
+
+static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+    while (t->p) {
+        #if PY_MAJOR_VERSION < 3
+        if (t->is_unicode) {
+            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
+        } else if (t->intern) {
+            *t->p = PyString_InternFromString(t->s);
+        } else {
+            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
+        }
+        #else  /* Python 3+ has unicode identifiers */
+        if (t->is_unicode | t->is_str) {
+            if (t->intern) {
+                *t->p = PyUnicode_InternFromString(t->s);
+            } else if (t->encoding) {
+                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
+            } else {
+                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
+            }
+        } else {
+            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
+        }
+        #endif
+        if (!*t->p)
+            return -1;
+        ++t;
+    }
+    return 0;
+}
+
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(char* c_str) {
+    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
+}
+static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
+    Py_ssize_t ignore;
+    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
+}
+static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
+    if (
+#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+            __Pyx_sys_getdefaultencoding_not_ascii &&
+#endif
+            PyUnicode_Check(o)) {
+#if PY_VERSION_HEX < 0x03030000
+        char* defenc_c;
+        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
+        if (!defenc) return NULL;
+        defenc_c = PyBytes_AS_STRING(defenc);
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        {
+            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
+            char* c;
+            for (c = defenc_c; c < end; c++) {
+                if ((unsigned char) (*c) >= 128) {
+                    PyUnicode_AsASCIIString(o);
+                    return NULL;
+                }
+            }
+        }
+#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
+        *length = PyBytes_GET_SIZE(defenc);
+        return defenc_c;
+#else /* PY_VERSION_HEX < 0x03030000 */
+        if (PyUnicode_READY(o) == -1) return NULL;
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        if (PyUnicode_IS_ASCII(o)) {
+            *length = PyUnicode_GET_DATA_SIZE(o);
+            return PyUnicode_AsUTF8(o);
+        } else {
+            PyUnicode_AsASCIIString(o);
+            return NULL;
+        }
+#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
+        return PyUnicode_AsUTF8AndSize(o, length);
+#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
+#endif /* PY_VERSION_HEX < 0x03030000 */
+    } else
+#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
+#if !CYTHON_COMPILING_IN_PYPY
+#if PY_VERSION_HEX >= 0x02060000
+    if (PyByteArray_Check(o)) {
+        *length = PyByteArray_GET_SIZE(o);
+        return PyByteArray_AS_STRING(o);
+    } else
+#endif
+#endif
+    {
+        char* result;
+        int r = PyBytes_AsStringAndSize(o, &result, length);
+        if (unlikely(r < 0)) {
+            return NULL;
+        } else {
+            return result;
+        }
+    }
+}
+static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
+   int is_true = x == Py_True;
+   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
+   else return PyObject_IsTrue(x);
+}
+static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
+  PyNumberMethods *m;
+  const char *name = NULL;
+  PyObject *res = NULL;
+#if PY_MAJOR_VERSION < 3
+  if (PyInt_Check(x) || PyLong_Check(x))
+#else
+  if (PyLong_Check(x))
+#endif
+    return Py_INCREF(x), x;
+  m = Py_TYPE(x)->tp_as_number;
+#if PY_MAJOR_VERSION < 3
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Int(x);
+  }
+  else if (m && m->nb_long) {
+    name = "long";
+    res = PyNumber_Long(x);
+  }
+#else
+  if (m && m->nb_int) {
+    name = "int";
+    res = PyNumber_Long(x);
+  }
+#endif
+  if (res) {
+#if PY_MAJOR_VERSION < 3
+    if (!PyInt_Check(res) && !PyLong_Check(res)) {
+#else
+    if (!PyLong_Check(res)) {
+#endif
+      PyErr_Format(PyExc_TypeError,
+                   "__%.4s__ returned non-%.4s (type %.200s)",
+                   name, name, Py_TYPE(res)->tp_name);
+      Py_DECREF(res);
+      return NULL;
+    }
+  }
+  else if (!PyErr_Occurred()) {
+    PyErr_SetString(PyExc_TypeError,
+                    "an integer is required");
+  }
+  return res;
+}
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+  #include "longintrepr.h"
+ #endif
+#endif
+static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
+  Py_ssize_t ival;
+  PyObject *x;
+#if PY_MAJOR_VERSION < 3
+  if (likely(PyInt_CheckExact(b)))
+      return PyInt_AS_LONG(b);
+#endif
+  if (likely(PyLong_CheckExact(b))) {
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+     #if CYTHON_USE_PYLONG_INTERNALS
+       switch (Py_SIZE(b)) {
+       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
+       case  0: return 0;
+       case  1: return ((PyLongObject*)b)->ob_digit[0];
+       }
+     #endif
+    #endif
+  #if PY_VERSION_HEX < 0x02060000
+    return PyInt_AsSsize_t(b);
+  #else
+    return PyLong_AsSsize_t(b);
+  #endif
+  }
+  x = PyNumber_Index(b);
+  if (!x) return -1;
+  ival = PyInt_AsSsize_t(x);
+  Py_DECREF(x);
+  return ival;
+}
+static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
+#if PY_VERSION_HEX < 0x02050000
+   if (ival <= LONG_MAX)
+       return PyInt_FromLong((long)ival);
+   else {
+       unsigned char *bytes = (unsigned char *) &ival;
+       int one = 1; int little = (int)*(unsigned char*)&one;
+       return _PyLong_FromByteArray(bytes, sizeof(size_t), little, 0);
+   }
+#else
+   return PyInt_FromSize_t(ival);
+#endif
+}
+
+
+#endif /* Py_PYTHON_H */
diff --git a/python/pyyaml/ext/_yaml.h b/python/pyyaml/ext/_yaml.h
new file mode 100644
index 000000000..21fd6a991
--- /dev/null
+++ b/python/pyyaml/ext/_yaml.h
@@ -0,0 +1,23 @@
+
+#include <yaml.h>
+
+#if PY_MAJOR_VERSION < 3
+
+#define PyUnicode_FromString(s) PyUnicode_DecodeUTF8((s), strlen(s), "strict")
+
+#else
+
+#define PyString_CheckExact PyBytes_CheckExact
+#define PyString_AS_STRING  PyBytes_AS_STRING
+#define PyString_GET_SIZE   PyBytes_GET_SIZE
+#define PyString_FromStringAndSize  PyBytes_FromStringAndSize
+
+#endif
+
+#ifdef _MSC_VER	/* MS Visual C++ 6.0 */
+#if _MSC_VER == 1200
+
+#define PyLong_FromUnsignedLongLong(z)	PyInt_FromLong(i)
+
+#endif
+#endif
diff --git a/python/pyyaml/ext/_yaml.pxd b/python/pyyaml/ext/_yaml.pxd
new file mode 100644
index 000000000..f47f459cc
--- /dev/null
+++ b/python/pyyaml/ext/_yaml.pxd
@@ -0,0 +1,251 @@
+
+cdef extern from "_yaml.h":
+
+    void malloc(int l)
+    void memcpy(char *d, char *s, int l)
+    int strlen(char *s)
+    int PyString_CheckExact(object o)
+    int PyUnicode_CheckExact(object o)
+    char *PyString_AS_STRING(object o)
+    int PyString_GET_SIZE(object o)
+    object PyString_FromStringAndSize(char *v, int l)
+    object PyUnicode_FromString(char *u)
+    object PyUnicode_DecodeUTF8(char *u, int s, char *e)
+    object PyUnicode_AsUTF8String(object o)
+    int PY_MAJOR_VERSION
+
+    ctypedef enum:
+        SIZEOF_VOID_P
+    ctypedef enum yaml_encoding_t:
+        YAML_ANY_ENCODING
+        YAML_UTF8_ENCODING
+        YAML_UTF16LE_ENCODING
+        YAML_UTF16BE_ENCODING
+    ctypedef enum yaml_break_t:
+        YAML_ANY_BREAK
+        YAML_CR_BREAK
+        YAML_LN_BREAK
+        YAML_CRLN_BREAK
+    ctypedef enum yaml_error_type_t:
+        YAML_NO_ERROR
+        YAML_MEMORY_ERROR
+        YAML_READER_ERROR
+        YAML_SCANNER_ERROR
+        YAML_PARSER_ERROR
+        YAML_WRITER_ERROR
+        YAML_EMITTER_ERROR
+    ctypedef enum yaml_scalar_style_t:
+        YAML_ANY_SCALAR_STYLE
+        YAML_PLAIN_SCALAR_STYLE
+        YAML_SINGLE_QUOTED_SCALAR_STYLE
+        YAML_DOUBLE_QUOTED_SCALAR_STYLE
+        YAML_LITERAL_SCALAR_STYLE
+        YAML_FOLDED_SCALAR_STYLE
+    ctypedef enum yaml_sequence_style_t:
+        YAML_ANY_SEQUENCE_STYLE
+        YAML_BLOCK_SEQUENCE_STYLE
+        YAML_FLOW_SEQUENCE_STYLE
+    ctypedef enum yaml_mapping_style_t:
+        YAML_ANY_MAPPING_STYLE
+        YAML_BLOCK_MAPPING_STYLE
+        YAML_FLOW_MAPPING_STYLE
+    ctypedef enum yaml_token_type_t:
+        YAML_NO_TOKEN
+        YAML_STREAM_START_TOKEN
+        YAML_STREAM_END_TOKEN
+        YAML_VERSION_DIRECTIVE_TOKEN
+        YAML_TAG_DIRECTIVE_TOKEN
+        YAML_DOCUMENT_START_TOKEN
+        YAML_DOCUMENT_END_TOKEN
+        YAML_BLOCK_SEQUENCE_START_TOKEN
+        YAML_BLOCK_MAPPING_START_TOKEN
+        YAML_BLOCK_END_TOKEN
+        YAML_FLOW_SEQUENCE_START_TOKEN
+        YAML_FLOW_SEQUENCE_END_TOKEN
+        YAML_FLOW_MAPPING_START_TOKEN
+        YAML_FLOW_MAPPING_END_TOKEN
+        YAML_BLOCK_ENTRY_TOKEN
+        YAML_FLOW_ENTRY_TOKEN
+        YAML_KEY_TOKEN
+        YAML_VALUE_TOKEN
+        YAML_ALIAS_TOKEN
+        YAML_ANCHOR_TOKEN
+        YAML_TAG_TOKEN
+        YAML_SCALAR_TOKEN
+    ctypedef enum yaml_event_type_t:
+        YAML_NO_EVENT
+        YAML_STREAM_START_EVENT
+        YAML_STREAM_END_EVENT
+        YAML_DOCUMENT_START_EVENT
+        YAML_DOCUMENT_END_EVENT
+        YAML_ALIAS_EVENT
+        YAML_SCALAR_EVENT
+        YAML_SEQUENCE_START_EVENT
+        YAML_SEQUENCE_END_EVENT
+        YAML_MAPPING_START_EVENT
+        YAML_MAPPING_END_EVENT
+
+    ctypedef int yaml_read_handler_t(void *data, char *buffer,
+            int size, int *size_read) except 0
+
+    ctypedef int yaml_write_handler_t(void *data, char *buffer,
+            int size) except 0
+
+    ctypedef struct yaml_mark_t:
+        int index
+        int line
+        int column
+    ctypedef struct yaml_version_directive_t:
+        int major
+        int minor
+    ctypedef struct yaml_tag_directive_t:
+        char *handle
+        char *prefix
+
+    ctypedef struct _yaml_token_stream_start_data_t:
+        yaml_encoding_t encoding
+    ctypedef struct _yaml_token_alias_data_t:
+        char *value
+    ctypedef struct _yaml_token_anchor_data_t:
+        char *value
+    ctypedef struct _yaml_token_tag_data_t:
+        char *handle
+        char *suffix
+    ctypedef struct _yaml_token_scalar_data_t:
+        char *value
+        int length
+        yaml_scalar_style_t style
+    ctypedef struct _yaml_token_version_directive_data_t:
+        int major
+        int minor
+    ctypedef struct _yaml_token_tag_directive_data_t:
+        char *handle
+        char *prefix
+    ctypedef union _yaml_token_data_t:
+        _yaml_token_stream_start_data_t stream_start
+        _yaml_token_alias_data_t alias
+        _yaml_token_anchor_data_t anchor
+        _yaml_token_tag_data_t tag
+        _yaml_token_scalar_data_t scalar
+        _yaml_token_version_directive_data_t version_directive
+        _yaml_token_tag_directive_data_t tag_directive
+    ctypedef struct yaml_token_t:
+        yaml_token_type_t type
+        _yaml_token_data_t data
+        yaml_mark_t start_mark
+        yaml_mark_t end_mark
+
+    ctypedef struct _yaml_event_stream_start_data_t:
+        yaml_encoding_t encoding
+    ctypedef struct _yaml_event_document_start_data_tag_directives_t:
+        yaml_tag_directive_t *start
+        yaml_tag_directive_t *end
+    ctypedef struct _yaml_event_document_start_data_t:
+        yaml_version_directive_t *version_directive
+        _yaml_event_document_start_data_tag_directives_t tag_directives
+        int implicit
+    ctypedef struct _yaml_event_document_end_data_t:
+        int implicit
+    ctypedef struct _yaml_event_alias_data_t:
+        char *anchor
+    ctypedef struct _yaml_event_scalar_data_t:
+        char *anchor
+        char *tag
+        char *value
+        int length
+        int plain_implicit
+        int quoted_implicit
+        yaml_scalar_style_t style
+    ctypedef struct _yaml_event_sequence_start_data_t:
+        char *anchor
+        char *tag
+        int implicit
+        yaml_sequence_style_t style
+    ctypedef struct _yaml_event_mapping_start_data_t:
+        char *anchor
+        char *tag
+        int implicit
+        yaml_mapping_style_t style
+    ctypedef union _yaml_event_data_t:
+        _yaml_event_stream_start_data_t stream_start
+        _yaml_event_document_start_data_t document_start
+        _yaml_event_document_end_data_t document_end
+        _yaml_event_alias_data_t alias
+        _yaml_event_scalar_data_t scalar
+        _yaml_event_sequence_start_data_t sequence_start
+        _yaml_event_mapping_start_data_t mapping_start
+    ctypedef struct yaml_event_t:
+        yaml_event_type_t type
+        _yaml_event_data_t data
+        yaml_mark_t start_mark
+        yaml_mark_t end_mark
+
+    ctypedef struct yaml_parser_t:
+        yaml_error_type_t error
+        char *problem
+        int problem_offset
+        int problem_value
+        yaml_mark_t problem_mark
+        char *context
+        yaml_mark_t context_mark
+
+    ctypedef struct yaml_emitter_t:
+        yaml_error_type_t error
+        char *problem
+
+    char *yaml_get_version_string()
+    void yaml_get_version(int *major, int *minor, int *patch)
+
+    void yaml_token_delete(yaml_token_t *token)
+
+    int yaml_stream_start_event_initialize(yaml_event_t *event,
+            yaml_encoding_t encoding)
+    int yaml_stream_end_event_initialize(yaml_event_t *event)
+    int yaml_document_start_event_initialize(yaml_event_t *event,
+            yaml_version_directive_t *version_directive,
+            yaml_tag_directive_t *tag_directives_start,
+            yaml_tag_directive_t *tag_directives_end,
+            int implicit)
+    int yaml_document_end_event_initialize(yaml_event_t *event,
+            int implicit)
+    int yaml_alias_event_initialize(yaml_event_t *event, char *anchor)
+    int yaml_scalar_event_initialize(yaml_event_t *event,
+            char *anchor, char *tag, char *value, int length,
+            int plain_implicit, int quoted_implicit,
+            yaml_scalar_style_t style)
+    int yaml_sequence_start_event_initialize(yaml_event_t *event,
+            char *anchor, char *tag, int implicit, yaml_sequence_style_t style)
+    int yaml_sequence_end_event_initialize(yaml_event_t *event)
+    int yaml_mapping_start_event_initialize(yaml_event_t *event,
+            char *anchor, char *tag, int implicit, yaml_mapping_style_t style)
+    int yaml_mapping_end_event_initialize(yaml_event_t *event)
+    void yaml_event_delete(yaml_event_t *event)
+
+    int yaml_parser_initialize(yaml_parser_t *parser)
+    void yaml_parser_delete(yaml_parser_t *parser)
+    void yaml_parser_set_input_string(yaml_parser_t *parser,
+            char *input, int size)
+    void yaml_parser_set_input(yaml_parser_t *parser,
+            yaml_read_handler_t *handler, void *data)
+    void yaml_parser_set_encoding(yaml_parser_t *parser,
+            yaml_encoding_t encoding)
+    int yaml_parser_scan(yaml_parser_t *parser, yaml_token_t *token) except *
+    int yaml_parser_parse(yaml_parser_t *parser, yaml_event_t *event) except *
+
+    int yaml_emitter_initialize(yaml_emitter_t *emitter)
+    void yaml_emitter_delete(yaml_emitter_t *emitter)
+    void yaml_emitter_set_output_string(yaml_emitter_t *emitter,
+            char *output, int size, int *size_written)
+    void yaml_emitter_set_output(yaml_emitter_t *emitter,
+            yaml_write_handler_t *handler, void *data)
+    void yaml_emitter_set_encoding(yaml_emitter_t *emitter,
+            yaml_encoding_t encoding)
+    void yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical)
+    void yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent)
+    void yaml_emitter_set_width(yaml_emitter_t *emitter, int width)
+    void yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode)
+    void yaml_emitter_set_break(yaml_emitter_t *emitter,
+            yaml_break_t line_break)
+    int yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event) except *
+    int yaml_emitter_flush(yaml_emitter_t *emitter)
+
diff --git a/python/pyyaml/ext/_yaml.pyx b/python/pyyaml/ext/_yaml.pyx
new file mode 100644
index 000000000..5158fb4d9
--- /dev/null
+++ b/python/pyyaml/ext/_yaml.pyx
@@ -0,0 +1,1527 @@
+
+import yaml
+
+def get_version_string():
+    cdef char *value
+    value = yaml_get_version_string()
+    if PY_MAJOR_VERSION < 3:
+        return value
+    else:
+        return PyUnicode_FromString(value)
+
+def get_version():
+    cdef int major, minor, patch
+    yaml_get_version(&major, &minor, &patch)
+    return (major, minor, patch)
+
+#Mark = yaml.error.Mark
+YAMLError = yaml.error.YAMLError
+ReaderError = yaml.reader.ReaderError
+ScannerError = yaml.scanner.ScannerError
+ParserError = yaml.parser.ParserError
+ComposerError = yaml.composer.ComposerError
+ConstructorError = yaml.constructor.ConstructorError
+EmitterError = yaml.emitter.EmitterError
+SerializerError = yaml.serializer.SerializerError
+RepresenterError = yaml.representer.RepresenterError
+
+StreamStartToken = yaml.tokens.StreamStartToken
+StreamEndToken = yaml.tokens.StreamEndToken
+DirectiveToken = yaml.tokens.DirectiveToken
+DocumentStartToken = yaml.tokens.DocumentStartToken
+DocumentEndToken = yaml.tokens.DocumentEndToken
+BlockSequenceStartToken = yaml.tokens.BlockSequenceStartToken
+BlockMappingStartToken = yaml.tokens.BlockMappingStartToken
+BlockEndToken = yaml.tokens.BlockEndToken
+FlowSequenceStartToken = yaml.tokens.FlowSequenceStartToken
+FlowMappingStartToken = yaml.tokens.FlowMappingStartToken
+FlowSequenceEndToken = yaml.tokens.FlowSequenceEndToken
+FlowMappingEndToken = yaml.tokens.FlowMappingEndToken
+KeyToken = yaml.tokens.KeyToken
+ValueToken = yaml.tokens.ValueToken
+BlockEntryToken = yaml.tokens.BlockEntryToken
+FlowEntryToken = yaml.tokens.FlowEntryToken
+AliasToken = yaml.tokens.AliasToken
+AnchorToken = yaml.tokens.AnchorToken
+TagToken = yaml.tokens.TagToken
+ScalarToken = yaml.tokens.ScalarToken
+
+StreamStartEvent = yaml.events.StreamStartEvent
+StreamEndEvent = yaml.events.StreamEndEvent
+DocumentStartEvent = yaml.events.DocumentStartEvent
+DocumentEndEvent = yaml.events.DocumentEndEvent
+AliasEvent = yaml.events.AliasEvent
+ScalarEvent = yaml.events.ScalarEvent
+SequenceStartEvent = yaml.events.SequenceStartEvent
+SequenceEndEvent = yaml.events.SequenceEndEvent
+MappingStartEvent = yaml.events.MappingStartEvent
+MappingEndEvent = yaml.events.MappingEndEvent
+
+ScalarNode = yaml.nodes.ScalarNode
+SequenceNode = yaml.nodes.SequenceNode
+MappingNode = yaml.nodes.MappingNode
+
+cdef class Mark:
+    cdef readonly object name
+    cdef readonly int index
+    cdef readonly int line
+    cdef readonly int column
+    cdef readonly buffer
+    cdef readonly pointer
+
+    def __init__(self, object name, int index, int line, int column,
+            object buffer, object pointer):
+        self.name = name
+        self.index = index
+        self.line = line
+        self.column = column
+        self.buffer = buffer
+        self.pointer = pointer
+
+    def get_snippet(self):
+        return None
+
+    def __str__(self):
+        where = "  in \"%s\", line %d, column %d"   \
+                % (self.name, self.line+1, self.column+1)
+        return where
+
+#class YAMLError(Exception):
+#    pass
+#
+#class MarkedYAMLError(YAMLError):
+#
+#    def __init__(self, context=None, context_mark=None,
+#            problem=None, problem_mark=None, note=None):
+#        self.context = context
+#        self.context_mark = context_mark
+#        self.problem = problem
+#        self.problem_mark = problem_mark
+#        self.note = note
+#
+#    def __str__(self):
+#        lines = []
+#        if self.context is not None:
+#            lines.append(self.context)
+#        if self.context_mark is not None  \
+#            and (self.problem is None or self.problem_mark is None
+#                    or self.context_mark.name != self.problem_mark.name
+#                    or self.context_mark.line != self.problem_mark.line
+#                    or self.context_mark.column != self.problem_mark.column):
+#            lines.append(str(self.context_mark))
+#        if self.problem is not None:
+#            lines.append(self.problem)
+#        if self.problem_mark is not None:
+#            lines.append(str(self.problem_mark))
+#        if self.note is not None:
+#            lines.append(self.note)
+#        return '\n'.join(lines)
+#
+#class ReaderError(YAMLError):
+#
+#    def __init__(self, name, position, character, encoding, reason):
+#        self.name = name
+#        self.character = character
+#        self.position = position
+#        self.encoding = encoding
+#        self.reason = reason
+#
+#    def __str__(self):
+#        if isinstance(self.character, str):
+#            return "'%s' codec can't decode byte #x%02x: %s\n"  \
+#                    "  in \"%s\", position %d"    \
+#                    % (self.encoding, ord(self.character), self.reason,
+#                            self.name, self.position)
+#        else:
+#            return "unacceptable character #x%04x: %s\n"    \
+#                    "  in \"%s\", position %d"    \
+#                    % (ord(self.character), self.reason,
+#                            self.name, self.position)
+#
+#class ScannerError(MarkedYAMLError):
+#    pass
+#
+#class ParserError(MarkedYAMLError):
+#    pass
+#
+#class EmitterError(YAMLError):
+#    pass
+#
+#cdef class Token:
+#    cdef readonly Mark start_mark
+#    cdef readonly Mark end_mark
+#    def __init__(self, Mark start_mark, Mark end_mark):
+#        self.start_mark = start_mark
+#        self.end_mark = end_mark
+#
+#cdef class StreamStartToken(Token):
+#    cdef readonly object encoding
+#    def __init__(self, Mark start_mark, Mark end_mark, encoding):
+#        self.start_mark = start_mark
+#        self.end_mark = end_mark
+#        self.encoding = encoding
+#
+#cdef class StreamEndToken(Token):
+#    pass
+#
+#cdef class DirectiveToken(Token):
+#    cdef readonly object name
+#    cdef readonly object value
+#    def __init__(self, name, value, Mark start_mark, Mark end_mark):
+#        self.name = name
+#        self.value = value
+#        self.start_mark = start_mark
+#        self.end_mark = end_mark
+#
+#cdef class DocumentStartToken(Token):
+#    pass
+#
+#cdef class DocumentEndToken(Token):
+#    pass
+#
+#cdef class BlockSequenceStartToken(Token):
+#    pass
+#
+#cdef class BlockMappingStartToken(Token):
+#    pass
+#
+#cdef class BlockEndToken(Token):
+#    pass
+#
+#cdef class FlowSequenceStartToken(Token):
+#    pass
+#
+#cdef class FlowMappingStartToken(Token):
+#    pass
+#
+#cdef class FlowSequenceEndToken(Token):
+#    pass
+#
+#cdef class FlowMappingEndToken(Token):
+#    pass
+#
+#cdef class KeyToken(Token):
+#    pass
+#
+#cdef class ValueToken(Token):
+#    pass
+#
+#cdef class BlockEntryToken(Token):
+#    pass
+#
+#cdef class FlowEntryToken(Token):
+#    pass
+#
+#cdef class AliasToken(Token):
+#    cdef readonly object value
+#    def __init__(self, value, Mark start_mark, Mark end_mark):
+#        self.value = value
+#        self.start_mark = start_mark
+#        self.end_mark = end_mark
+#
+#cdef class AnchorToken(Token):
+#    cdef readonly object value
+#    def __init__(self, value, Mark start_mark, Mark end_mark):
+#        self.value = value
+#        self.start_mark = start_mark
+#        self.end_mark = end_mark
+#
+#cdef class TagToken(Token):
+#    cdef readonly object value
+#    def __init__(self, value, Mark start_mark, Mark end_mark):
+#        self.value = value
+#        self.start_mark = start_mark
+#        self.end_mark = end_mark
+#
+#cdef class ScalarToken(Token):
+#    cdef readonly object value
+#    cdef readonly object plain
+#    cdef readonly object style
+#    def __init__(self, value, plain, Mark start_mark, Mark end_mark, style=None):
+#        self.value = value
+#        self.plain = plain
+#        self.start_mark = start_mark
+#        self.end_mark = end_mark
+#        self.style = style
+
+cdef class CParser:
+
+    cdef yaml_parser_t parser
+    cdef yaml_event_t parsed_event
+
+    cdef object stream
+    cdef object stream_name
+    cdef object current_token
+    cdef object current_event
+    cdef object anchors
+    cdef object stream_cache
+    cdef int stream_cache_len
+    cdef int stream_cache_pos
+    cdef int unicode_source
+
+    def __init__(self, stream):
+        cdef is_readable
+        if yaml_parser_initialize(&self.parser) == 0:
+            raise MemoryError
+        self.parsed_event.type = YAML_NO_EVENT
+        is_readable = 1
+        try:
+            stream.read
+        except AttributeError:
+            is_readable = 0
+        self.unicode_source = 0
+        if is_readable:
+            self.stream = stream
+            try:
+                self.stream_name = stream.name
+            except AttributeError:
+                if PY_MAJOR_VERSION < 3:
+                    self.stream_name = '<file>'
+                else:
+                    self.stream_name = u'<file>'
+            self.stream_cache = None
+            self.stream_cache_len = 0
+            self.stream_cache_pos = 0
+            yaml_parser_set_input(&self.parser, input_handler, <void *>self)
+        else:
+            if PyUnicode_CheckExact(stream) != 0:
+                stream = PyUnicode_AsUTF8String(stream)
+                if PY_MAJOR_VERSION < 3:
+                    self.stream_name = '<unicode string>'
+                else:
+                    self.stream_name = u'<unicode string>'
+                self.unicode_source = 1
+            else:
+                if PY_MAJOR_VERSION < 3:
+                    self.stream_name = '<byte string>'
+                else:
+                    self.stream_name = u'<byte string>'
+            if PyString_CheckExact(stream) == 0:
+                if PY_MAJOR_VERSION < 3:
+                    raise TypeError("a string or stream input is required")
+                else:
+                    raise TypeError(u"a string or stream input is required")
+            self.stream = stream
+            yaml_parser_set_input_string(&self.parser, PyString_AS_STRING(stream), PyString_GET_SIZE(stream))
+        self.current_token = None
+        self.current_event = None
+        self.anchors = {}
+
+    def __dealloc__(self):
+        yaml_parser_delete(&self.parser)
+        yaml_event_delete(&self.parsed_event)
+
+    def dispose(self):
+        pass
+
+    cdef object _parser_error(self):
+        if self.parser.error == YAML_MEMORY_ERROR:
+            return MemoryError
+        elif self.parser.error == YAML_READER_ERROR:
+            if PY_MAJOR_VERSION < 3:
+                return ReaderError(self.stream_name, self.parser.problem_offset,
+                        self.parser.problem_value, '?', self.parser.problem)
+            else:
+                return ReaderError(self.stream_name, self.parser.problem_offset,
+                        self.parser.problem_value, u'?', PyUnicode_FromString(self.parser.problem))
+        elif self.parser.error == YAML_SCANNER_ERROR    \
+                or self.parser.error == YAML_PARSER_ERROR:
+            context_mark = None
+            problem_mark = None
+            if self.parser.context != NULL:
+                context_mark = Mark(self.stream_name,
+                        self.parser.context_mark.index,
+                        self.parser.context_mark.line,
+                        self.parser.context_mark.column, None, None)
+            if self.parser.problem != NULL:
+                problem_mark = Mark(self.stream_name,
+                        self.parser.problem_mark.index,
+                        self.parser.problem_mark.line,
+                        self.parser.problem_mark.column, None, None)
+            context = None
+            if self.parser.context != NULL:
+                if PY_MAJOR_VERSION < 3:
+                    context = self.parser.context
+                else:
+                    context = PyUnicode_FromString(self.parser.context)
+            if PY_MAJOR_VERSION < 3:
+                problem = self.parser.problem
+            else:
+                problem = PyUnicode_FromString(self.parser.problem)
+            if self.parser.error == YAML_SCANNER_ERROR:
+                return ScannerError(context, context_mark, problem, problem_mark)
+            else:
+                return ParserError(context, context_mark, problem, problem_mark)
+        if PY_MAJOR_VERSION < 3:
+            raise ValueError("no parser error")
+        else:
+            raise ValueError(u"no parser error")
+
+    def raw_scan(self):
+        cdef yaml_token_t token
+        cdef int done
+        cdef int count
+        count = 0
+        done = 0
+        while done == 0:
+            if yaml_parser_scan(&self.parser, &token) == 0:
+                error = self._parser_error()
+                raise error
+            if token.type == YAML_NO_TOKEN:
+                done = 1
+            else:
+                count = count+1
+            yaml_token_delete(&token)
+        return count
+
+    cdef object _scan(self):
+        cdef yaml_token_t token
+        if yaml_parser_scan(&self.parser, &token) == 0:
+            error = self._parser_error()
+            raise error
+        token_object = self._token_to_object(&token)
+        yaml_token_delete(&token)
+        return token_object
+
+    cdef object _token_to_object(self, yaml_token_t *token):
+        start_mark = Mark(self.stream_name,
+                token.start_mark.index,
+                token.start_mark.line,
+                token.start_mark.column,
+                None, None)
+        end_mark = Mark(self.stream_name,
+                token.end_mark.index,
+                token.end_mark.line,
+                token.end_mark.column,
+                None, None)
+        if token.type == YAML_NO_TOKEN:
+            return None
+        elif token.type == YAML_STREAM_START_TOKEN:
+            encoding = None
+            if token.data.stream_start.encoding == YAML_UTF8_ENCODING:
+                if self.unicode_source == 0:
+                    encoding = u"utf-8"
+            elif token.data.stream_start.encoding == YAML_UTF16LE_ENCODING:
+                encoding = u"utf-16-le"
+            elif token.data.stream_start.encoding == YAML_UTF16BE_ENCODING:
+                encoding = u"utf-16-be"
+            return StreamStartToken(start_mark, end_mark, encoding)
+        elif token.type == YAML_STREAM_END_TOKEN:
+            return StreamEndToken(start_mark, end_mark)
+        elif token.type == YAML_VERSION_DIRECTIVE_TOKEN:
+            return DirectiveToken(u"YAML",
+                    (token.data.version_directive.major,
+                        token.data.version_directive.minor),
+                    start_mark, end_mark)
+        elif token.type == YAML_TAG_DIRECTIVE_TOKEN:
+            handle = PyUnicode_FromString(token.data.tag_directive.handle)
+            prefix = PyUnicode_FromString(token.data.tag_directive.prefix)
+            return DirectiveToken(u"TAG", (handle, prefix),
+                    start_mark, end_mark)
+        elif token.type == YAML_DOCUMENT_START_TOKEN:
+            return DocumentStartToken(start_mark, end_mark)
+        elif token.type == YAML_DOCUMENT_END_TOKEN:
+            return DocumentEndToken(start_mark, end_mark)
+        elif token.type == YAML_BLOCK_SEQUENCE_START_TOKEN:
+            return BlockSequenceStartToken(start_mark, end_mark)
+        elif token.type == YAML_BLOCK_MAPPING_START_TOKEN:
+            return BlockMappingStartToken(start_mark, end_mark)
+        elif token.type == YAML_BLOCK_END_TOKEN:
+            return BlockEndToken(start_mark, end_mark)
+        elif token.type == YAML_FLOW_SEQUENCE_START_TOKEN:
+            return FlowSequenceStartToken(start_mark, end_mark)
+        elif token.type == YAML_FLOW_SEQUENCE_END_TOKEN:
+            return FlowSequenceEndToken(start_mark, end_mark)
+        elif token.type == YAML_FLOW_MAPPING_START_TOKEN:
+            return FlowMappingStartToken(start_mark, end_mark)
+        elif token.type == YAML_FLOW_MAPPING_END_TOKEN:
+            return FlowMappingEndToken(start_mark, end_mark)
+        elif token.type == YAML_BLOCK_ENTRY_TOKEN:
+            return BlockEntryToken(start_mark, end_mark)
+        elif token.type == YAML_FLOW_ENTRY_TOKEN:
+            return FlowEntryToken(start_mark, end_mark)
+        elif token.type == YAML_KEY_TOKEN:
+            return KeyToken(start_mark, end_mark)
+        elif token.type == YAML_VALUE_TOKEN:
+            return ValueToken(start_mark, end_mark)
+        elif token.type == YAML_ALIAS_TOKEN:
+            value = PyUnicode_FromString(token.data.alias.value)
+            return AliasToken(value, start_mark, end_mark)
+        elif token.type == YAML_ANCHOR_TOKEN:
+            value = PyUnicode_FromString(token.data.anchor.value)
+            return AnchorToken(value, start_mark, end_mark)
+        elif token.type == YAML_TAG_TOKEN:
+            handle = PyUnicode_FromString(token.data.tag.handle)
+            suffix = PyUnicode_FromString(token.data.tag.suffix)
+            if not handle:
+                handle = None
+            return TagToken((handle, suffix), start_mark, end_mark)
+        elif token.type == YAML_SCALAR_TOKEN:
+            value = PyUnicode_DecodeUTF8(token.data.scalar.value,
+                    token.data.scalar.length, 'strict')
+            plain = False
+            style = None
+            if token.data.scalar.style == YAML_PLAIN_SCALAR_STYLE:
+                plain = True
+                style = u''
+            elif token.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE:
+                style = u'\''
+            elif token.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE:
+                style = u'"'
+            elif token.data.scalar.style == YAML_LITERAL_SCALAR_STYLE:
+                style = u'|'
+            elif token.data.scalar.style == YAML_FOLDED_SCALAR_STYLE:
+                style = u'>'
+            return ScalarToken(value, plain,
+                    start_mark, end_mark, style)
+        else:
+            if PY_MAJOR_VERSION < 3:
+                raise ValueError("unknown token type")
+            else:
+                raise ValueError(u"unknown token type")
+
+    def get_token(self):
+        if self.current_token is not None:
+            value = self.current_token
+            self.current_token = None
+        else:
+            value = self._scan()
+        return value
+
+    def peek_token(self):
+        if self.current_token is None:
+            self.current_token = self._scan()
+        return self.current_token
+
+    def check_token(self, *choices):
+        if self.current_token is None:
+            self.current_token = self._scan()
+        if self.current_token is None:
+            return False
+        if not choices:
+            return True
+        token_class = self.current_token.__class__
+        for choice in choices:
+            if token_class is choice:
+                return True
+        return False
+
+    def raw_parse(self):
+        cdef yaml_event_t event
+        cdef int done
+        cdef int count
+        count = 0
+        done = 0
+        while done == 0:
+            if yaml_parser_parse(&self.parser, &event) == 0:
+                error = self._parser_error()
+                raise error
+            if event.type == YAML_NO_EVENT:
+                done = 1
+            else:
+                count = count+1
+            yaml_event_delete(&event)
+        return count
+
+    cdef object _parse(self):
+        cdef yaml_event_t event
+        if yaml_parser_parse(&self.parser, &event) == 0:
+            error = self._parser_error()
+            raise error
+        event_object = self._event_to_object(&event)
+        yaml_event_delete(&event)
+        return event_object
+
+    cdef object _event_to_object(self, yaml_event_t *event):
+        cdef yaml_tag_directive_t *tag_directive
+        start_mark = Mark(self.stream_name,
+                event.start_mark.index,
+                event.start_mark.line,
+                event.start_mark.column,
+                None, None)
+        end_mark = Mark(self.stream_name,
+                event.end_mark.index,
+                event.end_mark.line,
+                event.end_mark.column,
+                None, None)
+        if event.type == YAML_NO_EVENT:
+            return None
+        elif event.type == YAML_STREAM_START_EVENT:
+            encoding = None
+            if event.data.stream_start.encoding == YAML_UTF8_ENCODING:
+                if self.unicode_source == 0:
+                    encoding = u"utf-8"
+            elif event.data.stream_start.encoding == YAML_UTF16LE_ENCODING:
+                encoding = u"utf-16-le"
+            elif event.data.stream_start.encoding == YAML_UTF16BE_ENCODING:
+                encoding = u"utf-16-be"
+            return StreamStartEvent(start_mark, end_mark, encoding)
+        elif event.type == YAML_STREAM_END_EVENT:
+            return StreamEndEvent(start_mark, end_mark)
+        elif event.type == YAML_DOCUMENT_START_EVENT:
+            explicit = False
+            if event.data.document_start.implicit == 0:
+                explicit = True
+            version = None
+            if event.data.document_start.version_directive != NULL:
+                version = (event.data.document_start.version_directive.major,
+                        event.data.document_start.version_directive.minor)
+            tags = None
+            if event.data.document_start.tag_directives.start != NULL:
+                tags = {}
+                tag_directive = event.data.document_start.tag_directives.start
+                while tag_directive != event.data.document_start.tag_directives.end:
+                    handle = PyUnicode_FromString(tag_directive.handle)
+                    prefix = PyUnicode_FromString(tag_directive.prefix)
+                    tags[handle] = prefix
+                    tag_directive = tag_directive+1
+            return DocumentStartEvent(start_mark, end_mark,
+                    explicit, version, tags)
+        elif event.type == YAML_DOCUMENT_END_EVENT:
+            explicit = False
+            if event.data.document_end.implicit == 0:
+                explicit = True
+            return DocumentEndEvent(start_mark, end_mark, explicit)
+        elif event.type == YAML_ALIAS_EVENT:
+            anchor = PyUnicode_FromString(event.data.alias.anchor)
+            return AliasEvent(anchor, start_mark, end_mark)
+        elif event.type == YAML_SCALAR_EVENT:
+            anchor = None
+            if event.data.scalar.anchor != NULL:
+                anchor = PyUnicode_FromString(event.data.scalar.anchor)
+            tag = None
+            if event.data.scalar.tag != NULL:
+                tag = PyUnicode_FromString(event.data.scalar.tag)
+            value = PyUnicode_DecodeUTF8(event.data.scalar.value,
+                    event.data.scalar.length, 'strict')
+            plain_implicit = False
+            if event.data.scalar.plain_implicit == 1:
+                plain_implicit = True
+            quoted_implicit = False
+            if event.data.scalar.quoted_implicit == 1:
+                quoted_implicit = True
+            style = None
+            if event.data.scalar.style == YAML_PLAIN_SCALAR_STYLE:
+                style = u''
+            elif event.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE:
+                style = u'\''
+            elif event.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE:
+                style = u'"'
+            elif event.data.scalar.style == YAML_LITERAL_SCALAR_STYLE:
+                style = u'|'
+            elif event.data.scalar.style == YAML_FOLDED_SCALAR_STYLE:
+                style = u'>'
+            return ScalarEvent(anchor, tag,
+                    (plain_implicit, quoted_implicit),
+                    value, start_mark, end_mark, style)
+        elif event.type == YAML_SEQUENCE_START_EVENT:
+            anchor = None
+            if event.data.sequence_start.anchor != NULL:
+                anchor = PyUnicode_FromString(event.data.sequence_start.anchor)
+            tag = None
+            if event.data.sequence_start.tag != NULL:
+                tag = PyUnicode_FromString(event.data.sequence_start.tag)
+            implicit = False
+            if event.data.sequence_start.implicit == 1:
+                implicit = True
+            flow_style = None
+            if event.data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE:
+                flow_style = True
+            elif event.data.sequence_start.style == YAML_BLOCK_SEQUENCE_STYLE:
+                flow_style = False
+            return SequenceStartEvent(anchor, tag, implicit,
+                    start_mark, end_mark, flow_style)
+        elif event.type == YAML_MAPPING_START_EVENT:
+            anchor = None
+            if event.data.mapping_start.anchor != NULL:
+                anchor = PyUnicode_FromString(event.data.mapping_start.anchor)
+            tag = None
+            if event.data.mapping_start.tag != NULL:
+                tag = PyUnicode_FromString(event.data.mapping_start.tag)
+            implicit = False
+            if event.data.mapping_start.implicit == 1:
+                implicit = True
+            flow_style = None
+            if event.data.mapping_start.style == YAML_FLOW_MAPPING_STYLE:
+                flow_style = True
+            elif event.data.mapping_start.style == YAML_BLOCK_MAPPING_STYLE:
+                flow_style = False
+            return MappingStartEvent(anchor, tag, implicit,
+                    start_mark, end_mark, flow_style)
+        elif event.type == YAML_SEQUENCE_END_EVENT:
+            return SequenceEndEvent(start_mark, end_mark)
+        elif event.type == YAML_MAPPING_END_EVENT:
+            return MappingEndEvent(start_mark, end_mark)
+        else:
+            if PY_MAJOR_VERSION < 3:
+                raise ValueError("unknown event type")
+            else:
+                raise ValueError(u"unknown event type")
+
+    def get_event(self):
+        if self.current_event is not None:
+            value = self.current_event
+            self.current_event = None
+        else:
+            value = self._parse()
+        return value
+
+    def peek_event(self):
+        if self.current_event is None:
+            self.current_event = self._parse()
+        return self.current_event
+
+    def check_event(self, *choices):
+        if self.current_event is None:
+            self.current_event = self._parse()
+        if self.current_event is None:
+            return False
+        if not choices:
+            return True
+        event_class = self.current_event.__class__
+        for choice in choices:
+            if event_class is choice:
+                return True
+        return False
+
+    def check_node(self):
+        self._parse_next_event()
+        if self.parsed_event.type == YAML_STREAM_START_EVENT:
+            yaml_event_delete(&self.parsed_event)
+            self._parse_next_event()
+        if self.parsed_event.type != YAML_STREAM_END_EVENT:
+            return True
+        return False
+
+    def get_node(self):
+        self._parse_next_event()
+        if self.parsed_event.type != YAML_STREAM_END_EVENT:
+            return self._compose_document()
+
+    def get_single_node(self):
+        self._parse_next_event()
+        yaml_event_delete(&self.parsed_event)
+        self._parse_next_event()
+        document = None
+        if self.parsed_event.type != YAML_STREAM_END_EVENT:
+            document = self._compose_document()
+        self._parse_next_event()
+        if self.parsed_event.type != YAML_STREAM_END_EVENT:
+            mark = Mark(self.stream_name,
+                    self.parsed_event.start_mark.index,
+                    self.parsed_event.start_mark.line,
+                    self.parsed_event.start_mark.column,
+                    None, None)
+            if PY_MAJOR_VERSION < 3:
+                raise ComposerError("expected a single document in the stream",
+                        document.start_mark, "but found another document", mark)
+            else:
+                raise ComposerError(u"expected a single document in the stream",
+                        document.start_mark, u"but found another document", mark)
+        return document
+
+    cdef object _compose_document(self):
+        yaml_event_delete(&self.parsed_event)
+        node = self._compose_node(None, None)
+        self._parse_next_event()
+        yaml_event_delete(&self.parsed_event)
+        self.anchors = {}
+        return node
+
+    cdef object _compose_node(self, object parent, object index):
+        self._parse_next_event()
+        if self.parsed_event.type == YAML_ALIAS_EVENT:
+            anchor = PyUnicode_FromString(self.parsed_event.data.alias.anchor)
+            if anchor not in self.anchors:
+                mark = Mark(self.stream_name,
+                        self.parsed_event.start_mark.index,
+                        self.parsed_event.start_mark.line,
+                        self.parsed_event.start_mark.column,
+                        None, None)
+                if PY_MAJOR_VERSION < 3:
+                    raise ComposerError(None, None, "found undefined alias", mark)
+                else:
+                    raise ComposerError(None, None, u"found undefined alias", mark)
+            yaml_event_delete(&self.parsed_event)
+            return self.anchors[anchor]
+        anchor = None
+        if self.parsed_event.type == YAML_SCALAR_EVENT  \
+                and self.parsed_event.data.scalar.anchor != NULL:
+            anchor = PyUnicode_FromString(self.parsed_event.data.scalar.anchor)
+        elif self.parsed_event.type == YAML_SEQUENCE_START_EVENT    \
+                and self.parsed_event.data.sequence_start.anchor != NULL:
+            anchor = PyUnicode_FromString(self.parsed_event.data.sequence_start.anchor)
+        elif self.parsed_event.type == YAML_MAPPING_START_EVENT    \
+                and self.parsed_event.data.mapping_start.anchor != NULL:
+            anchor = PyUnicode_FromString(self.parsed_event.data.mapping_start.anchor)
+        if anchor is not None:
+            if anchor in self.anchors:
+                mark = Mark(self.stream_name,
+                        self.parsed_event.start_mark.index,
+                        self.parsed_event.start_mark.line,
+                        self.parsed_event.start_mark.column,
+                        None, None)
+                if PY_MAJOR_VERSION < 3:
+                    raise ComposerError("found duplicate anchor; first occurence",
+                            self.anchors[anchor].start_mark, "second occurence", mark)
+                else:
+                    raise ComposerError(u"found duplicate anchor; first occurence",
+                            self.anchors[anchor].start_mark, u"second occurence", mark)
+        self.descend_resolver(parent, index)
+        if self.parsed_event.type == YAML_SCALAR_EVENT:
+            node = self._compose_scalar_node(anchor)
+        elif self.parsed_event.type == YAML_SEQUENCE_START_EVENT:
+            node = self._compose_sequence_node(anchor)
+        elif self.parsed_event.type == YAML_MAPPING_START_EVENT:
+            node = self._compose_mapping_node(anchor)
+        self.ascend_resolver()
+        return node
+
+    cdef _compose_scalar_node(self, object anchor):
+        start_mark = Mark(self.stream_name,
+                self.parsed_event.start_mark.index,
+                self.parsed_event.start_mark.line,
+                self.parsed_event.start_mark.column,
+                None, None)
+        end_mark = Mark(self.stream_name,
+                self.parsed_event.end_mark.index,
+                self.parsed_event.end_mark.line,
+                self.parsed_event.end_mark.column,
+                None, None)
+        value = PyUnicode_DecodeUTF8(self.parsed_event.data.scalar.value,
+                self.parsed_event.data.scalar.length, 'strict')
+        plain_implicit = False
+        if self.parsed_event.data.scalar.plain_implicit == 1:
+            plain_implicit = True
+        quoted_implicit = False
+        if self.parsed_event.data.scalar.quoted_implicit == 1:
+            quoted_implicit = True
+        if self.parsed_event.data.scalar.tag == NULL    \
+                or (self.parsed_event.data.scalar.tag[0] == c'!'
+                        and self.parsed_event.data.scalar.tag[1] == c'\0'):
+            tag = self.resolve(ScalarNode, value, (plain_implicit, quoted_implicit))
+        else:
+            tag = PyUnicode_FromString(self.parsed_event.data.scalar.tag)
+        style = None
+        if self.parsed_event.data.scalar.style == YAML_PLAIN_SCALAR_STYLE:
+            style = u''
+        elif self.parsed_event.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE:
+            style = u'\''
+        elif self.parsed_event.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE:
+            style = u'"'
+        elif self.parsed_event.data.scalar.style == YAML_LITERAL_SCALAR_STYLE:
+            style = u'|'
+        elif self.parsed_event.data.scalar.style == YAML_FOLDED_SCALAR_STYLE:
+            style = u'>'
+        node = ScalarNode(tag, value, start_mark, end_mark, style)
+        if anchor is not None:
+            self.anchors[anchor] = node
+        yaml_event_delete(&self.parsed_event)
+        return node
+
+    cdef _compose_sequence_node(self, object anchor):
+        cdef int index
+        start_mark = Mark(self.stream_name,
+                self.parsed_event.start_mark.index,
+                self.parsed_event.start_mark.line,
+                self.parsed_event.start_mark.column,
+                None, None)
+        implicit = False
+        if self.parsed_event.data.sequence_start.implicit == 1:
+            implicit = True
+        if self.parsed_event.data.sequence_start.tag == NULL    \
+                or (self.parsed_event.data.sequence_start.tag[0] == c'!'
+                        and self.parsed_event.data.sequence_start.tag[1] == c'\0'):
+            tag = self.resolve(SequenceNode, None, implicit)
+        else:
+            tag = PyUnicode_FromString(self.parsed_event.data.sequence_start.tag)
+        flow_style = None
+        if self.parsed_event.data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE:
+            flow_style = True
+        elif self.parsed_event.data.sequence_start.style == YAML_BLOCK_SEQUENCE_STYLE:
+            flow_style = False
+        value = []
+        node = SequenceNode(tag, value, start_mark, None, flow_style)
+        if anchor is not None:
+            self.anchors[anchor] = node
+        yaml_event_delete(&self.parsed_event)
+        index = 0
+        self._parse_next_event()
+        while self.parsed_event.type != YAML_SEQUENCE_END_EVENT:
+            value.append(self._compose_node(node, index))
+            index = index+1
+            self._parse_next_event()
+        node.end_mark = Mark(self.stream_name,
+                self.parsed_event.end_mark.index,
+                self.parsed_event.end_mark.line,
+                self.parsed_event.end_mark.column,
+                None, None)
+        yaml_event_delete(&self.parsed_event)
+        return node
+
+    cdef _compose_mapping_node(self, object anchor):
+        start_mark = Mark(self.stream_name,
+                self.parsed_event.start_mark.index,
+                self.parsed_event.start_mark.line,
+                self.parsed_event.start_mark.column,
+                None, None)
+        implicit = False
+        if self.parsed_event.data.mapping_start.implicit == 1:
+            implicit = True
+        if self.parsed_event.data.mapping_start.tag == NULL    \
+                or (self.parsed_event.data.mapping_start.tag[0] == c'!'
+                        and self.parsed_event.data.mapping_start.tag[1] == c'\0'):
+            tag = self.resolve(MappingNode, None, implicit)
+        else:
+            tag = PyUnicode_FromString(self.parsed_event.data.mapping_start.tag)
+        flow_style = None
+        if self.parsed_event.data.mapping_start.style == YAML_FLOW_MAPPING_STYLE:
+            flow_style = True
+        elif self.parsed_event.data.mapping_start.style == YAML_BLOCK_MAPPING_STYLE:
+            flow_style = False
+        value = []
+        node = MappingNode(tag, value, start_mark, None, flow_style)
+        if anchor is not None:
+            self.anchors[anchor] = node
+        yaml_event_delete(&self.parsed_event)
+        self._parse_next_event()
+        while self.parsed_event.type != YAML_MAPPING_END_EVENT:
+            item_key = self._compose_node(node, None)
+            item_value = self._compose_node(node, item_key)
+            value.append((item_key, item_value))
+            self._parse_next_event()
+        node.end_mark = Mark(self.stream_name,
+                self.parsed_event.end_mark.index,
+                self.parsed_event.end_mark.line,
+                self.parsed_event.end_mark.column,
+                None, None)
+        yaml_event_delete(&self.parsed_event)
+        return node
+
+    cdef int _parse_next_event(self) except 0:
+        if self.parsed_event.type == YAML_NO_EVENT:
+            if yaml_parser_parse(&self.parser, &self.parsed_event) == 0:
+                error = self._parser_error()
+                raise error
+        return 1
+
+cdef int input_handler(void *data, char *buffer, int size, int *read) except 0:
+    cdef CParser parser
+    parser = <CParser>data
+    if parser.stream_cache is None:
+        value = parser.stream.read(size)
+        if PyUnicode_CheckExact(value) != 0:
+            value = PyUnicode_AsUTF8String(value)
+            parser.unicode_source = 1
+        if PyString_CheckExact(value) == 0:
+            if PY_MAJOR_VERSION < 3:
+                raise TypeError("a string value is expected")
+            else:
+                raise TypeError(u"a string value is expected")
+        parser.stream_cache = value
+        parser.stream_cache_pos = 0
+        parser.stream_cache_len = PyString_GET_SIZE(value)
+    if (parser.stream_cache_len - parser.stream_cache_pos) < size:
+        size = parser.stream_cache_len - parser.stream_cache_pos
+    if size > 0:
+        memcpy(buffer, PyString_AS_STRING(parser.stream_cache)
+                            + parser.stream_cache_pos, size)
+    read[0] = size
+    parser.stream_cache_pos += size
+    if parser.stream_cache_pos == parser.stream_cache_len:
+        parser.stream_cache = None
+    return 1
+
+cdef class CEmitter:
+
+    cdef yaml_emitter_t emitter
+
+    cdef object stream
+
+    cdef int document_start_implicit
+    cdef int document_end_implicit
+    cdef object use_version
+    cdef object use_tags
+
+    cdef object serialized_nodes
+    cdef object anchors
+    cdef int last_alias_id
+    cdef int closed
+    cdef int dump_unicode
+    cdef object use_encoding
+
+    def __init__(self, stream, canonical=None, indent=None, width=None,
+            allow_unicode=None, line_break=None, encoding=None,
+            explicit_start=None, explicit_end=None, version=None, tags=None):
+        if yaml_emitter_initialize(&self.emitter) == 0:
+            raise MemoryError
+        self.stream = stream
+        self.dump_unicode = 0
+        if PY_MAJOR_VERSION < 3:
+            if getattr3(stream, 'encoding', None):
+                self.dump_unicode = 1
+        else:
+            if hasattr(stream, u'encoding'):
+                self.dump_unicode = 1
+        self.use_encoding = encoding
+        yaml_emitter_set_output(&self.emitter, output_handler, <void *>self)    
+        if canonical:
+            yaml_emitter_set_canonical(&self.emitter, 1)
+        if indent is not None:
+            yaml_emitter_set_indent(&self.emitter, indent)
+        if width is not None:
+            yaml_emitter_set_width(&self.emitter, width)
+        if allow_unicode:
+            yaml_emitter_set_unicode(&self.emitter, 1)
+        if line_break is not None:
+            if line_break == '\r':
+                yaml_emitter_set_break(&self.emitter, YAML_CR_BREAK)
+            elif line_break == '\n':
+                yaml_emitter_set_break(&self.emitter, YAML_LN_BREAK)
+            elif line_break == '\r\n':
+                yaml_emitter_set_break(&self.emitter, YAML_CRLN_BREAK)
+        self.document_start_implicit = 1
+        if explicit_start:
+            self.document_start_implicit = 0
+        self.document_end_implicit = 1
+        if explicit_end:
+            self.document_end_implicit = 0
+        self.use_version = version
+        self.use_tags = tags
+        self.serialized_nodes = {}
+        self.anchors = {}
+        self.last_alias_id = 0
+        self.closed = -1
+
+    def __dealloc__(self):
+        yaml_emitter_delete(&self.emitter)
+
+    def dispose(self):
+        pass
+
+    cdef object _emitter_error(self):
+        if self.emitter.error == YAML_MEMORY_ERROR:
+            return MemoryError
+        elif self.emitter.error == YAML_EMITTER_ERROR:
+            if PY_MAJOR_VERSION < 3:
+                problem = self.emitter.problem
+            else:
+                problem = PyUnicode_FromString(self.emitter.problem)
+            return EmitterError(problem)
+        if PY_MAJOR_VERSION < 3:
+            raise ValueError("no emitter error")
+        else:
+            raise ValueError(u"no emitter error")
+
+    cdef int _object_to_event(self, object event_object, yaml_event_t *event) except 0:
+        cdef yaml_encoding_t encoding
+        cdef yaml_version_directive_t version_directive_value
+        cdef yaml_version_directive_t *version_directive
+        cdef yaml_tag_directive_t tag_directives_value[128]
+        cdef yaml_tag_directive_t *tag_directives_start
+        cdef yaml_tag_directive_t *tag_directives_end
+        cdef int implicit
+        cdef int plain_implicit
+        cdef int quoted_implicit
+        cdef char *anchor
+        cdef char *tag
+        cdef char *value
+        cdef int length
+        cdef yaml_scalar_style_t scalar_style
+        cdef yaml_sequence_style_t sequence_style
+        cdef yaml_mapping_style_t mapping_style
+        event_class = event_object.__class__
+        if event_class is StreamStartEvent:
+            encoding = YAML_UTF8_ENCODING
+            if event_object.encoding == u'utf-16-le' or event_object.encoding == 'utf-16-le':
+                encoding = YAML_UTF16LE_ENCODING
+            elif event_object.encoding == u'utf-16-be' or event_object.encoding == 'utf-16-be':
+                encoding = YAML_UTF16BE_ENCODING
+            if event_object.encoding is None:
+                self.dump_unicode = 1
+            if self.dump_unicode == 1:
+                encoding = YAML_UTF8_ENCODING
+            yaml_stream_start_event_initialize(event, encoding)
+        elif event_class is StreamEndEvent:
+            yaml_stream_end_event_initialize(event)
+        elif event_class is DocumentStartEvent:
+            version_directive = NULL
+            if event_object.version:
+                version_directive_value.major = event_object.version[0]
+                version_directive_value.minor = event_object.version[1]
+                version_directive = &version_directive_value
+            tag_directives_start = NULL
+            tag_directives_end = NULL
+            if event_object.tags:
+                if len(event_object.tags) > 128:
+                    if PY_MAJOR_VERSION < 3:
+                        raise ValueError("too many tags")
+                    else:
+                        raise ValueError(u"too many tags")
+                tag_directives_start = tag_directives_value
+                tag_directives_end = tag_directives_value
+                cache = []
+                for handle in event_object.tags:
+                    prefix = event_object.tags[handle]
+                    if PyUnicode_CheckExact(handle):
+                        handle = PyUnicode_AsUTF8String(handle)
+                        cache.append(handle)
+                    if not PyString_CheckExact(handle):
+                        if PY_MAJOR_VERSION < 3:
+                            raise TypeError("tag handle must be a string")
+                        else:
+                            raise TypeError(u"tag handle must be a string")
+                    tag_directives_end.handle = PyString_AS_STRING(handle)
+                    if PyUnicode_CheckExact(prefix):
+                        prefix = PyUnicode_AsUTF8String(prefix)
+                        cache.append(prefix)
+                    if not PyString_CheckExact(prefix):
+                        if PY_MAJOR_VERSION < 3:
+                            raise TypeError("tag prefix must be a string")
+                        else:
+                            raise TypeError(u"tag prefix must be a string")
+                    tag_directives_end.prefix = PyString_AS_STRING(prefix)
+                    tag_directives_end = tag_directives_end+1
+            implicit = 1
+            if event_object.explicit:
+                implicit = 0
+            if yaml_document_start_event_initialize(event, version_directive,
+                    tag_directives_start, tag_directives_end, implicit) == 0:
+                raise MemoryError
+        elif event_class is DocumentEndEvent:
+            implicit = 1
+            if event_object.explicit:
+                implicit = 0
+            yaml_document_end_event_initialize(event, implicit)
+        elif event_class is AliasEvent:
+            anchor = NULL
+            anchor_object = event_object.anchor
+            if PyUnicode_CheckExact(anchor_object):
+                anchor_object = PyUnicode_AsUTF8String(anchor_object)
+            if not PyString_CheckExact(anchor_object):
+                if PY_MAJOR_VERSION < 3:
+                    raise TypeError("anchor must be a string")
+                else:
+                    raise TypeError(u"anchor must be a string")
+            anchor = PyString_AS_STRING(anchor_object)
+            if yaml_alias_event_initialize(event, anchor) == 0:
+                raise MemoryError
+        elif event_class is ScalarEvent:
+            anchor = NULL
+            anchor_object = event_object.anchor
+            if anchor_object is not None:
+                if PyUnicode_CheckExact(anchor_object):
+                    anchor_object = PyUnicode_AsUTF8String(anchor_object)
+                if not PyString_CheckExact(anchor_object):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("anchor must be a string")
+                    else:
+                        raise TypeError(u"anchor must be a string")
+                anchor = PyString_AS_STRING(anchor_object)
+            tag = NULL
+            tag_object = event_object.tag
+            if tag_object is not None:
+                if PyUnicode_CheckExact(tag_object):
+                    tag_object = PyUnicode_AsUTF8String(tag_object)
+                if not PyString_CheckExact(tag_object):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("tag must be a string")
+                    else:
+                        raise TypeError(u"tag must be a string")
+                tag = PyString_AS_STRING(tag_object)
+            value_object = event_object.value
+            if PyUnicode_CheckExact(value_object):
+                value_object = PyUnicode_AsUTF8String(value_object)
+            if not PyString_CheckExact(value_object):
+                if PY_MAJOR_VERSION < 3:
+                    raise TypeError("value must be a string")
+                else:
+                    raise TypeError(u"value must be a string")
+            value = PyString_AS_STRING(value_object)
+            length = PyString_GET_SIZE(value_object)
+            plain_implicit = 0
+            quoted_implicit = 0
+            if event_object.implicit is not None:
+                plain_implicit = event_object.implicit[0]
+                quoted_implicit = event_object.implicit[1]
+            style_object = event_object.style
+            scalar_style = YAML_PLAIN_SCALAR_STYLE
+            if style_object == "'" or style_object == u"'":
+                scalar_style = YAML_SINGLE_QUOTED_SCALAR_STYLE
+            elif style_object == "\"" or style_object == u"\"":
+                scalar_style = YAML_DOUBLE_QUOTED_SCALAR_STYLE
+            elif style_object == "|" or style_object == u"|":
+                scalar_style = YAML_LITERAL_SCALAR_STYLE
+            elif style_object == ">" or style_object == u">":
+                scalar_style = YAML_FOLDED_SCALAR_STYLE
+            if yaml_scalar_event_initialize(event, anchor, tag, value, length,
+                    plain_implicit, quoted_implicit, scalar_style) == 0:
+                raise MemoryError
+        elif event_class is SequenceStartEvent:
+            anchor = NULL
+            anchor_object = event_object.anchor
+            if anchor_object is not None:
+                if PyUnicode_CheckExact(anchor_object):
+                    anchor_object = PyUnicode_AsUTF8String(anchor_object)
+                if not PyString_CheckExact(anchor_object):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("anchor must be a string")
+                    else:
+                        raise TypeError(u"anchor must be a string")
+                anchor = PyString_AS_STRING(anchor_object)
+            tag = NULL
+            tag_object = event_object.tag
+            if tag_object is not None:
+                if PyUnicode_CheckExact(tag_object):
+                    tag_object = PyUnicode_AsUTF8String(tag_object)
+                if not PyString_CheckExact(tag_object):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("tag must be a string")
+                    else:
+                        raise TypeError(u"tag must be a string")
+                tag = PyString_AS_STRING(tag_object)
+            implicit = 0
+            if event_object.implicit:
+                implicit = 1
+            sequence_style = YAML_BLOCK_SEQUENCE_STYLE
+            if event_object.flow_style:
+                sequence_style = YAML_FLOW_SEQUENCE_STYLE
+            if yaml_sequence_start_event_initialize(event, anchor, tag,
+                    implicit, sequence_style) == 0:
+                raise MemoryError
+        elif event_class is MappingStartEvent:
+            anchor = NULL
+            anchor_object = event_object.anchor
+            if anchor_object is not None:
+                if PyUnicode_CheckExact(anchor_object):
+                    anchor_object = PyUnicode_AsUTF8String(anchor_object)
+                if not PyString_CheckExact(anchor_object):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("anchor must be a string")
+                    else:
+                        raise TypeError(u"anchor must be a string")
+                anchor = PyString_AS_STRING(anchor_object)
+            tag = NULL
+            tag_object = event_object.tag
+            if tag_object is not None:
+                if PyUnicode_CheckExact(tag_object):
+                    tag_object = PyUnicode_AsUTF8String(tag_object)
+                if not PyString_CheckExact(tag_object):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("tag must be a string")
+                    else:
+                        raise TypeError(u"tag must be a string")
+                tag = PyString_AS_STRING(tag_object)
+            implicit = 0
+            if event_object.implicit:
+                implicit = 1
+            mapping_style = YAML_BLOCK_MAPPING_STYLE
+            if event_object.flow_style:
+                mapping_style = YAML_FLOW_MAPPING_STYLE
+            if yaml_mapping_start_event_initialize(event, anchor, tag,
+                    implicit, mapping_style) == 0:
+                raise MemoryError
+        elif event_class is SequenceEndEvent:
+            yaml_sequence_end_event_initialize(event)
+        elif event_class is MappingEndEvent:
+            yaml_mapping_end_event_initialize(event)
+        else:
+            if PY_MAJOR_VERSION < 3:
+                raise TypeError("invalid event %s" % event_object)
+            else:
+                raise TypeError(u"invalid event %s" % event_object)
+        return 1
+
+    def emit(self, event_object):
+        cdef yaml_event_t event
+        self._object_to_event(event_object, &event)
+        if yaml_emitter_emit(&self.emitter, &event) == 0:
+            error = self._emitter_error()
+            raise error
+
+    def open(self):
+        cdef yaml_event_t event
+        cdef yaml_encoding_t encoding
+        if self.closed == -1:
+            if self.use_encoding == u'utf-16-le' or self.use_encoding == 'utf-16-le':
+                encoding = YAML_UTF16LE_ENCODING
+            elif self.use_encoding == u'utf-16-be' or self.use_encoding == 'utf-16-be':
+                encoding = YAML_UTF16BE_ENCODING
+            else:
+                encoding = YAML_UTF8_ENCODING
+            if self.use_encoding is None:
+                self.dump_unicode = 1
+            if self.dump_unicode == 1:
+                encoding = YAML_UTF8_ENCODING
+            yaml_stream_start_event_initialize(&event, encoding)
+            if yaml_emitter_emit(&self.emitter, &event) == 0:
+                error = self._emitter_error()
+                raise error
+            self.closed = 0
+        elif self.closed == 1:
+            if PY_MAJOR_VERSION < 3:
+                raise SerializerError("serializer is closed")
+            else:
+                raise SerializerError(u"serializer is closed")
+        else:
+            if PY_MAJOR_VERSION < 3:
+                raise SerializerError("serializer is already opened")
+            else:
+                raise SerializerError(u"serializer is already opened")
+
+    def close(self):
+        cdef yaml_event_t event
+        if self.closed == -1:
+            if PY_MAJOR_VERSION < 3:
+                raise SerializerError("serializer is not opened")
+            else:
+                raise SerializerError(u"serializer is not opened")
+        elif self.closed == 0:
+            yaml_stream_end_event_initialize(&event)
+            if yaml_emitter_emit(&self.emitter, &event) == 0:
+                error = self._emitter_error()
+                raise error
+            self.closed = 1
+
+    def serialize(self, node):
+        cdef yaml_event_t event
+        cdef yaml_version_directive_t version_directive_value
+        cdef yaml_version_directive_t *version_directive
+        cdef yaml_tag_directive_t tag_directives_value[128]
+        cdef yaml_tag_directive_t *tag_directives_start
+        cdef yaml_tag_directive_t *tag_directives_end
+        if self.closed == -1:
+            if PY_MAJOR_VERSION < 3:
+                raise SerializerError("serializer is not opened")
+            else:
+                raise SerializerError(u"serializer is not opened")
+        elif self.closed == 1:
+            if PY_MAJOR_VERSION < 3:
+                raise SerializerError("serializer is closed")
+            else:
+                raise SerializerError(u"serializer is closed")
+        cache = []
+        version_directive = NULL
+        if self.use_version:
+            version_directive_value.major = self.use_version[0]
+            version_directive_value.minor = self.use_version[1]
+            version_directive = &version_directive_value
+        tag_directives_start = NULL
+        tag_directives_end = NULL
+        if self.use_tags:
+            if len(self.use_tags) > 128:
+                if PY_MAJOR_VERSION < 3:
+                    raise ValueError("too many tags")
+                else:
+                    raise ValueError(u"too many tags")
+            tag_directives_start = tag_directives_value
+            tag_directives_end = tag_directives_value
+            for handle in self.use_tags:
+                prefix = self.use_tags[handle]
+                if PyUnicode_CheckExact(handle):
+                    handle = PyUnicode_AsUTF8String(handle)
+                    cache.append(handle)
+                if not PyString_CheckExact(handle):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("tag handle must be a string")
+                    else:
+                        raise TypeError(u"tag handle must be a string")
+                tag_directives_end.handle = PyString_AS_STRING(handle)
+                if PyUnicode_CheckExact(prefix):
+                    prefix = PyUnicode_AsUTF8String(prefix)
+                    cache.append(prefix)
+                if not PyString_CheckExact(prefix):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("tag prefix must be a string")
+                    else:
+                        raise TypeError(u"tag prefix must be a string")
+                tag_directives_end.prefix = PyString_AS_STRING(prefix)
+                tag_directives_end = tag_directives_end+1
+        if yaml_document_start_event_initialize(&event, version_directive,
+                tag_directives_start, tag_directives_end,
+                self.document_start_implicit) == 0:
+            raise MemoryError
+        if yaml_emitter_emit(&self.emitter, &event) == 0:
+            error = self._emitter_error()
+            raise error
+        self._anchor_node(node)
+        self._serialize_node(node, None, None)
+        yaml_document_end_event_initialize(&event, self.document_end_implicit)
+        if yaml_emitter_emit(&self.emitter, &event) == 0:
+            error = self._emitter_error()
+            raise error
+        self.serialized_nodes = {}
+        self.anchors = {}
+        self.last_alias_id = 0
+
+    cdef int _anchor_node(self, object node) except 0:
+        if node in self.anchors:
+            if self.anchors[node] is None:
+                self.last_alias_id = self.last_alias_id+1
+                self.anchors[node] = u"id%03d" % self.last_alias_id
+        else:
+            self.anchors[node] = None
+            node_class = node.__class__
+            if node_class is SequenceNode:
+                for item in node.value:
+                    self._anchor_node(item)
+            elif node_class is MappingNode:
+                for key, value in node.value:
+                    self._anchor_node(key)
+                    self._anchor_node(value)
+        return 1
+
+    cdef int _serialize_node(self, object node, object parent, object index) except 0:
+        cdef yaml_event_t event
+        cdef int implicit
+        cdef int plain_implicit
+        cdef int quoted_implicit
+        cdef char *anchor
+        cdef char *tag
+        cdef char *value
+        cdef int length
+        cdef int item_index
+        cdef yaml_scalar_style_t scalar_style
+        cdef yaml_sequence_style_t sequence_style
+        cdef yaml_mapping_style_t mapping_style
+        anchor_object = self.anchors[node]
+        anchor = NULL
+        if anchor_object is not None:
+            if PyUnicode_CheckExact(anchor_object):
+                anchor_object = PyUnicode_AsUTF8String(anchor_object)
+            if not PyString_CheckExact(anchor_object):
+                if PY_MAJOR_VERSION < 3:
+                    raise TypeError("anchor must be a string")
+                else:
+                    raise TypeError(u"anchor must be a string")
+            anchor = PyString_AS_STRING(anchor_object)
+        if node in self.serialized_nodes:
+            if yaml_alias_event_initialize(&event, anchor) == 0:
+                raise MemoryError
+            if yaml_emitter_emit(&self.emitter, &event) == 0:
+                error = self._emitter_error()
+                raise error
+        else:
+            node_class = node.__class__
+            self.serialized_nodes[node] = True
+            self.descend_resolver(parent, index)
+            if node_class is ScalarNode:
+                plain_implicit = 0
+                quoted_implicit = 0
+                tag_object = node.tag
+                if self.resolve(ScalarNode, node.value, (True, False)) == tag_object:
+                    plain_implicit = 1
+                if self.resolve(ScalarNode, node.value, (False, True)) == tag_object:
+                    quoted_implicit = 1
+                tag = NULL
+                if tag_object is not None:
+                    if PyUnicode_CheckExact(tag_object):
+                        tag_object = PyUnicode_AsUTF8String(tag_object)
+                    if not PyString_CheckExact(tag_object):
+                        if PY_MAJOR_VERSION < 3:
+                            raise TypeError("tag must be a string")
+                        else:
+                            raise TypeError(u"tag must be a string")
+                    tag = PyString_AS_STRING(tag_object)
+                value_object = node.value
+                if PyUnicode_CheckExact(value_object):
+                    value_object = PyUnicode_AsUTF8String(value_object)
+                if not PyString_CheckExact(value_object):
+                    if PY_MAJOR_VERSION < 3:
+                        raise TypeError("value must be a string")
+                    else:
+                        raise TypeError(u"value must be a string")
+                value = PyString_AS_STRING(value_object)
+                length = PyString_GET_SIZE(value_object)
+                style_object = node.style
+                scalar_style = YAML_PLAIN_SCALAR_STYLE
+                if style_object == "'" or style_object == u"'":
+                    scalar_style = YAML_SINGLE_QUOTED_SCALAR_STYLE
+                elif style_object == "\"" or style_object == u"\"":
+                    scalar_style = YAML_DOUBLE_QUOTED_SCALAR_STYLE
+                elif style_object == "|" or style_object == u"|":
+                    scalar_style = YAML_LITERAL_SCALAR_STYLE
+                elif style_object == ">" or style_object == u">":
+                    scalar_style = YAML_FOLDED_SCALAR_STYLE
+                if yaml_scalar_event_initialize(&event, anchor, tag, value, length,
+                        plain_implicit, quoted_implicit, scalar_style) == 0:
+                    raise MemoryError
+                if yaml_emitter_emit(&self.emitter, &event) == 0:
+                    error = self._emitter_error()
+                    raise error
+            elif node_class is SequenceNode:
+                implicit = 0
+                tag_object = node.tag
+                if self.resolve(SequenceNode, node.value, True) == tag_object:
+                    implicit = 1
+                tag = NULL
+                if tag_object is not None:
+                    if PyUnicode_CheckExact(tag_object):
+                        tag_object = PyUnicode_AsUTF8String(tag_object)
+                    if not PyString_CheckExact(tag_object):
+                        if PY_MAJOR_VERSION < 3:
+                            raise TypeError("tag must be a string")
+                        else:
+                            raise TypeError(u"tag must be a string")
+                    tag = PyString_AS_STRING(tag_object)
+                sequence_style = YAML_BLOCK_SEQUENCE_STYLE
+                if node.flow_style:
+                    sequence_style = YAML_FLOW_SEQUENCE_STYLE
+                if yaml_sequence_start_event_initialize(&event, anchor, tag,
+                        implicit, sequence_style) == 0:
+                    raise MemoryError
+                if yaml_emitter_emit(&self.emitter, &event) == 0:
+                    error = self._emitter_error()
+                    raise error
+                item_index = 0
+                for item in node.value:
+                    self._serialize_node(item, node, item_index)
+                    item_index = item_index+1
+                yaml_sequence_end_event_initialize(&event)
+                if yaml_emitter_emit(&self.emitter, &event) == 0:
+                    error = self._emitter_error()
+                    raise error
+            elif node_class is MappingNode:
+                implicit = 0
+                tag_object = node.tag
+                if self.resolve(MappingNode, node.value, True) == tag_object:
+                    implicit = 1
+                tag = NULL
+                if tag_object is not None:
+                    if PyUnicode_CheckExact(tag_object):
+                        tag_object = PyUnicode_AsUTF8String(tag_object)
+                    if not PyString_CheckExact(tag_object):
+                        if PY_MAJOR_VERSION < 3:
+                            raise TypeError("tag must be a string")
+                        else:
+                            raise TypeError(u"tag must be a string")
+                    tag = PyString_AS_STRING(tag_object)
+                mapping_style = YAML_BLOCK_MAPPING_STYLE
+                if node.flow_style:
+                    mapping_style = YAML_FLOW_MAPPING_STYLE
+                if yaml_mapping_start_event_initialize(&event, anchor, tag,
+                        implicit, mapping_style) == 0:
+                    raise MemoryError
+                if yaml_emitter_emit(&self.emitter, &event) == 0:
+                    error = self._emitter_error()
+                    raise error
+                for item_key, item_value in node.value:
+                    self._serialize_node(item_key, node, None)
+                    self._serialize_node(item_value, node, item_key)
+                yaml_mapping_end_event_initialize(&event)
+                if yaml_emitter_emit(&self.emitter, &event) == 0:
+                    error = self._emitter_error()
+                    raise error
+            self.ascend_resolver()
+        return 1
+
+cdef int output_handler(void *data, char *buffer, int size) except 0:
+    cdef CEmitter emitter
+    emitter = <CEmitter>data
+    if emitter.dump_unicode == 0:
+        value = PyString_FromStringAndSize(buffer, size)
+    else:
+        value = PyUnicode_DecodeUTF8(buffer, size, 'strict')
+    emitter.stream.write(value)
+    return 1
+