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+Six: Python 2 and 3 Compatibility Library
+=========================================
+
+.. module:: six
+   :synopsis: Python 2 and 3 compatibility
+
+.. moduleauthor:: Benjamin Peterson <benjamin@python.org>
+.. sectionauthor:: Benjamin Peterson <benjamin@python.org>
+
+
+Six provides simple utilities for wrapping over differences between Python 2 and
+Python 3.  It is intended to support codebases that work on both Python 2 and 3
+without modification.  six consists of only one Python file, so it is painless
+to copy into a project.
+
+Six can be downloaded on `PyPi <http://pypi.python.org/pypi/six/>`_.  Its bug
+tracker and code hosting is on `BitBucket <http://bitbucket.org/gutworth/six>`_.
+
+The name, "six", comes from the fact that 2*3 equals 6.  Why not addition?
+Multiplication is more powerful, and, anyway, "five" has already been snatched
+away by the Zope Five project.
+
+
+Indices and tables
+------------------
+
+* :ref:`genindex`
+* :ref:`search`
+
+
+Package contents
+----------------
+
+.. data:: PY2
+
+   A boolean indicating if the code is running on Python 2.
+
+.. data:: PY3
+
+   A boolean indicating if the code is running on Python 3.
+
+
+Constants
+>>>>>>>>>
+
+Six provides constants that may differ between Python versions.  Ones ending
+``_types`` are mostly useful as the second argument to ``isinstance`` or
+``issubclass``.
+
+
+.. data:: class_types
+
+   Possible class types.  In Python 2, this encompasses old-style and new-style
+   classes.  In Python 3, this is just new-styles.
+
+
+.. data:: integer_types
+
+   Possible integer types.  In Python 2, this is :func:`py2:long` and
+   :func:`py2:int`, and in Python 3, just :func:`py3:int`.
+
+
+.. data:: string_types
+
+   Possible types for text data.  This is :func:`py2:basestring` in Python 2 and
+   :func:`py3:str` in Python 3.
+
+
+.. data:: text_type
+
+   Type for representing (Unicode) textual data.  This is :func:`py2:unicode` in
+   Python 2 and :func:`py3:str` in Python 3.
+
+
+.. data:: binary_type
+
+   Type for representing binary data.  This is :func:`py2:str` in Python 2 and
+   :func:`py3:bytes` in Python 3.
+
+
+.. data:: MAXSIZE
+
+   The maximum  size of a  container like :func:`py3:list`  or :func:`py3:dict`.
+   This  is  equivalent  to  :data:`py3:sys.maxsize` in  Python  2.6  and  later
+   (including 3.x).   Note, this is temptingly  similar to, but not  the same as
+   :data:`py2:sys.maxint`  in  Python  2.   There is  no  direct  equivalent  to
+   :data:`py2:sys.maxint` in  Python 3  because its integer  type has  no limits
+   aside from memory.
+
+
+Here's example usage of the module::
+
+   import six
+
+   def dispatch_types(value):
+       if isinstance(value, six.integer_types):
+           handle_integer(value)
+       elif isinstance(value, six.class_types):
+           handle_class(value)
+       elif isinstance(value, six.string_types):
+           handle_string(value)
+
+
+Object model compatibility
+>>>>>>>>>>>>>>>>>>>>>>>>>>
+
+Python 3 renamed the attributes of several intepreter data structures.  The
+following accessors are available.  Note that the recommended way to inspect
+functions and methods is the stdlib :mod:`py3:inspect` module.
+
+
+.. function:: get_unbound_function(meth)
+
+   Get the function out of unbound method *meth*.  In Python 3, unbound methods
+   don't exist, so this function just returns *meth* unchanged.  Example
+   usage::
+
+      from six import get_unbound_function
+
+      class X(object):
+          def method(self):
+              pass
+      method_function = get_unbound_function(X.method)
+
+
+.. function:: get_method_function(meth)
+
+   Get the function out of method object *meth*.
+
+
+.. function:: get_method_self(meth)
+
+   Get the ``self`` of bound method *meth*.
+
+
+.. function:: get_function_closure(func)
+
+   Get the closure (list of cells) associated with *func*.  This is equivalent
+   to ``func.__closure__`` on Python 2.6+ and ``func.func_closure`` on Python
+   2.5.
+
+
+.. function:: get_function_code(func)
+
+   Get the code object associated with *func*.  This is equivalent to
+   ``func.__code__`` on Python 2.6+ and ``func.func_code`` on Python 2.5.
+
+
+.. function:: get_function_defaults(func)
+
+   Get the defaults tuple associated with *func*.  This is equivalent to
+   ``func.__defaults__`` on Python 2.6+ and ``func.func_defaults`` on Python
+   2.5.
+
+
+.. function:: get_function_globals(func)
+
+   Get the globals of *func*.  This is equivalent to ``func.__globals__`` on
+   Python 2.6+ and ``func.func_globals`` on Python 2.5.
+
+
+.. function:: next(it)
+              advance_iterator(it)
+
+   Get the next item of iterator *it*.  :exc:`py3:StopIteration` is raised if
+   the iterator is exhausted.  This is a replacement for calling ``it.next()``
+   in Python 2 and ``next(it)`` in Python 3.
+
+
+.. function:: callable(obj)
+
+   Check if *obj* can be called.  Note ``callable`` has returned in Python 3.2,
+   so using six's version is only necessary when supporting Python 3.0 or 3.1.
+
+
+.. function:: iterkeys(dictionary, **kwargs)
+
+   Returns an iterator over *dictionary*\'s keys. This replaces
+   ``dictionary.iterkeys()`` on Python 2 and ``dictionary.keys()`` on
+   Python 3.  *kwargs* are passed through to the underlying method.
+
+
+.. function:: itervalues(dictionary, **kwargs)
+
+   Returns an iterator over *dictionary*\'s values. This replaces
+   ``dictionary.itervalues()`` on Python 2 and ``dictionary.values()`` on
+   Python 3.  *kwargs* are passed through to the underlying method.
+
+
+.. function:: iteritems(dictionary, **kwargs)
+
+   Returns an iterator over *dictionary*\'s items. This replaces
+   ``dictionary.iteritems()`` on Python 2 and ``dictionary.items()`` on
+   Python 3.  *kwargs* are passed through to the underlying method.
+
+
+.. function:: iterlists(dictionary, **kwargs)
+
+   Calls ``dictionary.iterlists()`` on Python 2 and ``dictionary.lists()`` on
+   Python 3.  No builtin Python mapping type has such a method; this method is
+   intended for use with multi-valued dictionaries like `Werkzeug's
+   <http://werkzeug.pocoo.org/docs/datastructures/#werkzeug.datastructures.MultiDict>`_.
+   *kwargs* are passed through to the underlying method.
+
+
+.. function:: viewkeys(dictionary)
+
+   Return a view over *dictionary*\'s keys. This replaces
+   :meth:`py2:dict.viewkeys` on Python 2.7 and :meth:`py3:dict.keys` on
+   Python 3.
+
+
+.. function:: viewvalues(dictionary)
+
+   Return a view over *dictionary*\'s values. This replaces
+   :meth:`py2:dict.viewvalues` on Python 2.7 and :meth:`py3:dict.values` on
+   Python 3.
+
+
+.. function:: viewitems(dictionary)
+
+   Return a view over *dictionary*\'s items. This replaces
+   :meth:`py2:dict.viewitems` on Python 2.7 and :meth:`py3:dict.items` on
+   Python 3.
+
+
+.. function:: create_bound_method(func, obj)
+
+   Return a method object wrapping *func* and bound to *obj*.  On both Python 2
+   and 3, this will return a :func:`py3:types.MethodType` object.  The reason
+   this wrapper exists is that on Python 2, the ``MethodType`` constructor
+   requires the *obj*'s class to be passed.
+
+
+.. class:: Iterator
+
+   A class for making portable iterators. The intention is that it be subclassed
+   and subclasses provide a ``__next__`` method. In Python 2, :class:`Iterator`
+   has one method: ``next``. It simply delegates to ``__next__``. An alternate
+   way to do this would be to simply alias ``next`` to ``__next__``. However,
+   this interacts badly with subclasses that override
+   ``__next__``. :class:`Iterator` is empty on Python 3. (In fact, it is just
+   aliased to :class:`py3:object`.)
+
+
+.. function:: wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS, updated=functools.WRAPPER_UPDATES)
+
+   This is exactly the :func:`py3:functools.wraps` decorator, but it sets the
+   ``__wrapped__`` attribute on what it decorates as :func:`py3:functools.wraps`
+   does on Python versions after 3.2.
+
+
+Syntax compatibility
+>>>>>>>>>>>>>>>>>>>>
+
+These functions smooth over operations which have different syntaxes between
+Python 2 and 3.
+
+
+.. function:: exec_(code, globals=None, locals=None)
+
+   Execute *code* in the scope of *globals* and *locals*.  *code* can be a
+   string or a code object.  If *globals* or *locals* are not given, they will
+   default to the scope of the caller.  If just *globals* is given, it will also
+   be used as *locals*.
+
+   .. note::
+
+      Python 3's :func:`py3:exec` doesn't take keyword arguments, so calling
+      :func:`exec` with them should be avoided.
+
+
+.. function:: print_(*args, *, file=sys.stdout, end="\\n", sep=" ")
+
+   Print *args* into *file*.  Each argument will be separated with *sep* and
+   *end* will be written to the file after the last argument is printed.
+
+   .. note::
+
+      In Python 2, this function imitates Python 3's :func:`py3:print` by not
+      having softspace support.  If you don't know what that is, you're probably
+      ok. :)
+
+
+.. function:: raise_from(exc_value, exc_value_from)
+
+   Raise an exception from a context.  On Python 3, this is equivalent to
+   ``raise exc_value from exc_value_from``.  On Python 2, which does not support
+   exception chaining, it is equivalent to ``raise exc_value``.
+
+
+.. function:: reraise(exc_type, exc_value, exc_traceback=None)
+
+   Reraise an exception, possibly with a different traceback.  In the simple
+   case, ``reraise(*sys.exc_info())`` with an active exception (in an except
+   block) reraises the current exception with the last traceback.  A different
+   traceback can be specified with the *exc_traceback* parameter.  Note that
+   since the exception reraising is done within the :func:`reraise` function,
+   Python will attach the call frame of :func:`reraise` to whatever traceback is
+   raised.
+
+
+.. function:: with_metaclass(metaclass, *bases)
+
+   Create a new class with base classes *bases* and metaclass *metaclass*.  This
+   is designed to be used in class declarations like this: ::
+
+      from six import with_metaclass
+
+      class Meta(type):
+          pass
+
+      class Base(object):
+          pass
+
+      class MyClass(with_metaclass(Meta, Base)):
+          pass
+
+   Another way to set a metaclass on a class is with the :func:`add_metaclass`
+   decorator.
+
+
+.. function:: add_metaclass(metaclass)
+
+   Class decorator that replaces a normally-constructed class with a
+   metaclass-constructed one.  Example usage: ::
+
+       @add_metaclass(Meta)
+       class MyClass(object):
+           pass
+
+   That code produces a class equivalent to ::
+
+       class MyClass(object, metaclass=Meta):
+           pass
+
+   on Python 3 or ::
+
+       class MyClass(object):
+           __metaclass__ = MyMeta
+
+   on Python 2.
+
+   Note that class decorators require Python 2.6. However, the effect of the
+   decorator can be emulated on Python 2.5 like so::
+
+       class MyClass(object):
+           pass
+       MyClass = add_metaclass(Meta)(MyClass)
+
+
+Binary and text data
+>>>>>>>>>>>>>>>>>>>>
+
+Python 3 enforces the distinction between byte strings and text strings far more
+rigoriously than Python 2 does; binary data cannot be automatically coerced to
+or from text data.  six provides several functions to assist in classifying
+string data in all Python versions.
+
+
+.. function:: b(data)
+
+   A "fake" bytes literal.  *data* should always be a normal string literal.  In
+   Python 2, :func:`b` returns a 8-bit string.  In Python 3, *data* is encoded
+   with the latin-1 encoding to bytes.
+
+
+   .. note::
+
+      Since all Python versions 2.6 and after support the ``b`` prefix,
+      :func:`b`, code without 2.5 support doesn't need :func:`b`.
+
+
+.. function:: u(text)
+
+   A "fake" unicode literal.  *text* should always be a normal string literal.
+   In Python 2, :func:`u` returns unicode, and in Python 3, a string.  Also, in
+   Python 2, the string is decoded with the ``unicode-escape`` codec, which
+   allows unicode escapes to be used in it.
+
+
+   .. note::
+
+      In Python 3.3, the ``u`` prefix has been reintroduced. Code that only
+      supports Python 3 versions greater than 3.3 thus does not need
+      :func:`u`.
+
+   .. note::
+
+      On Python 2, :func:`u` doesn't know what the encoding of the literal
+      is. Each byte is converted directly to the unicode codepoint of the same
+      value. Because of this, it's only safe to use :func:`u` with strings of
+      ASCII data.
+
+
+.. function:: unichr(c)
+
+   Return the (Unicode) string representing the codepoint *c*.  This is
+   equivalent to :func:`py2:unichr` on Python 2 and :func:`py3:chr` on Python 3.
+
+
+.. function:: int2byte(i)
+
+   Converts *i* to a byte.  *i* must be in ``range(0, 256)``.  This is
+   equivalent to :func:`py2:chr` in Python 2 and ``bytes((i,))`` in Python 3.
+
+
+.. function:: byte2int(bs)
+
+   Converts the first byte of *bs* to an integer.  This is equivalent to
+   ``ord(bs[0])`` on Python 2 and ``bs[0]`` on Python 3.
+
+
+.. function:: indexbytes(buf, i)
+
+   Return the byte at index *i* of *buf* as an integer.  This is equivalent to
+   indexing a bytes object in Python 3.
+
+
+.. function:: iterbytes(buf)
+
+   Return an iterator over bytes in *buf* as integers.  This is equivalent to
+   a bytes object iterator in Python 3.
+
+
+.. data:: StringIO
+
+   This is an fake file object for textual data.  It's an alias for
+   :class:`py2:StringIO.StringIO` in Python 2 and :class:`py3:io.StringIO` in
+   Python 3.
+
+
+.. data:: BytesIO
+
+   This is a fake file object for binary data.  In Python 2, it's an alias for
+   :class:`py2:StringIO.StringIO`, but in Python 3, it's an alias for
+   :class:`py3:io.BytesIO`.
+
+
+Renamed modules and attributes compatibility
+>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
+
+.. module:: six.moves
+   :synopsis: Renamed modules and attributes compatibility
+
+Python 3 reorganized the standard library and moved several functions to
+different modules.  Six provides a consistent interface to them through the fake
+:mod:`six.moves` module.  For example, to load the module for parsing HTML on
+Python 2 or 3, write::
+
+   from six.moves import html_parser
+
+Similarly, to get the function to reload modules, which was moved from the
+builtin module to the ``imp`` module, use::
+
+   from six.moves import reload_module
+
+For the most part, :mod:`six.moves` aliases are the names of the modules in
+Python 3.  When the new Python 3 name is a package, the components of the name
+are separated by underscores.  For example, ``html.parser`` becomes
+``html_parser``.  In some cases where several modules have been combined, the
+Python 2 name is retained.  This is so the appropiate modules can be found when
+running on Python 2.  For example, ``BaseHTTPServer`` which is in
+``http.server`` in Python 3 is aliased as ``BaseHTTPServer``.
+
+Some modules which had two implementations have been merged in Python 3.  For
+example, ``cPickle`` no longer exists in Python 3; it was merged with
+``pickle``.  In these cases, fetching the fast version will load the fast one on
+Python 2 and the merged module in Python 3.
+
+The :mod:`py2:urllib`, :mod:`py2:urllib2`, and :mod:`py2:urlparse` modules have
+been combined in the :mod:`py3:urllib` package in Python 3.  The
+:mod:`six.moves.urllib` package is a version-independent location for this
+functionality; its structure mimics the structure of the Python 3
+:mod:`py3:urllib` package.
+
+.. note::
+
+   In order to make imports of the form::
+
+     from six.moves.cPickle import loads
+
+   work, six places special proxy objects in in :data:`py3:sys.modules`. These
+   proxies lazily load the underlying module when an attribute is fetched. This
+   will fail if the underlying module is not available in the Python
+   interpreter. For example, ``sys.modules["six.moves.winreg"].LoadKey`` would
+   fail on any non-Windows platform. Unfortunately, some applications try to
+   load attributes on every module in :data:`py3:sys.modules`. six mitigates
+   this problem for some applications by pretending attributes on unimportable
+   modules don't exist. This hack doesn't work in every case, though. If you are
+   encountering problems with the lazy modules and don't use any from imports
+   directly from ``six.moves`` modules, you can workaround the issue by removing
+   the six proxy modules::
+
+     d = [name for name in sys.modules if name.startswith("six.moves.")]
+     for name in d:
+         del sys.modules[name]
+
+Supported renames:
+
++------------------------------+-------------------------------------+-------------------------------------+
+| Name                         | Python 2 name                       | Python 3 name                       |
++==============================+=====================================+=====================================+
+| ``builtins``                 | :mod:`py2:__builtin__`              | :mod:`py3:builtins`                 |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``configparser``             | :mod:`py2:ConfigParser`             | :mod:`py3:configparser`             |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``copyreg``                  | :mod:`py2:copy_reg`                 | :mod:`py3:copyreg`                  |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``cPickle``                  | :mod:`py2:cPickle`                  | :mod:`py3:pickle`                   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``cStringIO``                | :func:`py2:cStringIO.StringIO`      | :class:`py3:io.StringIO`            |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``dbm_gnu``                  | :func:`py2:gdbm`                    | :class:`py3:dbm.gnu`                |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``_dummy_thread``            | :mod:`py2:dummy_thread`             | :mod:`py3:_dummy_thread`            |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``email_mime_multipart``     | :mod:`py2:email.MIMEMultipart`      | :mod:`py3:email.mime.multipart`     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``email_mime_nonmultipart``  | :mod:`py2:email.MIMENonMultipart`   | :mod:`py3:email.mime.nonmultipart`  |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``email_mime_text``          | :mod:`py2:email.MIMEText`           | :mod:`py3:email.mime.text`          |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``email_mime_base``          | :mod:`py2:email.MIMEBase`           | :mod:`py3:email.mime.base`          |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``filter``                   | :func:`py2:itertools.ifilter`       | :func:`py3:filter`                  |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``filterfalse``              | :func:`py2:itertools.ifilterfalse`  | :func:`py3:itertools.filterfalse`   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``http_cookiejar``           | :mod:`py2:cookielib`                | :mod:`py3:http.cookiejar`           |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``http_cookies``             | :mod:`py2:Cookie`                   | :mod:`py3:http.cookies`             |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``html_entities``            | :mod:`py2:htmlentitydefs`           | :mod:`py3:html.entities`            |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``html_parser``              | :mod:`py2:HTMLParser`               | :mod:`py3:html.parser`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``http_client``              | :mod:`py2:httplib`                  | :mod:`py3:http.client`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``BaseHTTPServer``           | :mod:`py2:BaseHTTPServer`           | :mod:`py3:http.server`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``CGIHTTPServer``            | :mod:`py2:CGIHTTPServer`            | :mod:`py3:http.server`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``SimpleHTTPServer``         | :mod:`py2:SimpleHTTPServer`         | :mod:`py3:http.server`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``input``                    | :func:`py2:raw_input`               | :func:`py3:input`                   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``intern``                   | :func:`py2:intern`                  | :func:`py3:sys.intern`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``map``                      | :func:`py2:itertools.imap`          | :func:`py3:map`                     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``queue``                    | :mod:`py2:Queue`                    | :mod:`py3:queue`                    |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``range``                    | :func:`py2:xrange`                  | :func:`py3:range`                   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``reduce``                   | :func:`py2:reduce`                  | :func:`py3:functools.reduce`        |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``reload_module``            | :func:`py2:reload`                  | :func:`py3:imp.reload`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``reprlib``                  | :mod:`py2:repr`                     | :mod:`py3:reprlib`                  |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``shlex_quote``              | :mod:`py2:pipes.quote`              | :mod:`py3:shlex.quote`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``socketserver``             | :mod:`py2:SocketServer`             | :mod:`py3:socketserver`             |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``_thread``                  | :mod:`py2:thread`                   | :mod:`py3:_thread`                  |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter``                  | :mod:`py2:Tkinter`                  | :mod:`py3:tkinter`                  |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_dialog``           | :mod:`py2:Dialog`                   | :mod:`py3:tkinter.dialog`           |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_filedialog``       | :mod:`py2:FileDialog`               | :mod:`py3:tkinter.FileDialog`       |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_scrolledtext``     | :mod:`py2:ScrolledText`             | :mod:`py3:tkinter.scrolledtext`     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_simpledialog``     | :mod:`py2:SimpleDialog`             | :mod:`py3:tkinter.simpledialog`     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_ttk``              | :mod:`py2:ttk`                      | :mod:`py3:tkinter.ttk`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_tix``              | :mod:`py2:Tix`                      | :mod:`py3:tkinter.tix`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_constants``        | :mod:`py2:Tkconstants`              | :mod:`py3:tkinter.constants`        |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_dnd``              | :mod:`py2:Tkdnd`                    | :mod:`py3:tkinter.dnd`              |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_colorchooser``     | :mod:`py2:tkColorChooser`           | :mod:`py3:tkinter.colorchooser`     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_commondialog``     | :mod:`py2:tkCommonDialog`           | :mod:`py3:tkinter.commondialog`     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_tkfiledialog``     | :mod:`py2:tkFileDialog`             | :mod:`py3:tkinter.filedialog`       |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_font``             | :mod:`py2:tkFont`                   | :mod:`py3:tkinter.font`             |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_messagebox``       | :mod:`py2:tkMessageBox`             | :mod:`py3:tkinter.messagebox`       |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``tkinter_tksimpledialog``   | :mod:`py2:tkSimpleDialog`           | :mod:`py3:tkinter.simpledialog`     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``urllib.parse``             | See :mod:`six.moves.urllib.parse`   | :mod:`py3:urllib.parse`             |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``urllib.error``             | See :mod:`six.moves.urllib.error`   | :mod:`py3:urllib.error`             |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``urllib.request``           | See :mod:`six.moves.urllib.request` | :mod:`py3:urllib.request`           |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``urllib.response``          | See :mod:`six.moves.urllib.response`| :mod:`py3:urllib.response`          |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``urllib.robotparser``       | :mod:`py2:robotparser`              | :mod:`py3:urllib.robotparser`       |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``urllib_robotparser``       | :mod:`py2:robotparser`              | :mod:`py3:urllib.robotparser`       |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``UserDict``                 | :class:`py2:UserDict.UserDict`      | :class:`py3:collections.UserDict`   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``UserList``                 | :class:`py2:UserList.UserList`      | :class:`py3:collections.UserList`   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``UserString``               | :class:`py2:UserString.UserString`  | :class:`py3:collections.UserString` |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``winreg``                   | :mod:`py2:_winreg`                  | :mod:`py3:winreg`                   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``xmlrpc_client``            | :mod:`py2:xmlrpclib`                | :mod:`py3:xmlrpc.client`            |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``xmlrpc_server``            | :mod:`py2:SimpleXMLRPCServer`       | :mod:`py3:xmlrpc.server`            |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``xrange``                   | :func:`py2:xrange`                  | :func:`py3:range`                   |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``zip``                      | :func:`py2:itertools.izip`          | :func:`py3:zip`                     |
++------------------------------+-------------------------------------+-------------------------------------+
+| ``zip_longest``              | :func:`py2:itertools.izip_longest`  | :func:`py3:itertools.zip_longest`   |
++------------------------------+-------------------------------------+-------------------------------------+
+
+urllib parse
+<<<<<<<<<<<<
+
+.. module:: six.moves.urllib.parse
+   :synopsis: Stuff from :mod:`py2:urlparse` and :mod:`py2:urllib` in Python 2 and :mod:`py3:urllib.parse` in Python 3
+
+Contains functions from Python 3's :mod:`py3:urllib.parse` and Python 2's:
+
+:mod:`py2:urlparse`:
+
+* :func:`py2:urlparse.ParseResult`
+* :func:`py2:urlparse.SplitResult`
+* :func:`py2:urlparse.urlparse`
+* :func:`py2:urlparse.urlunparse`
+* :func:`py2:urlparse.parse_qs`
+* :func:`py2:urlparse.parse_qsl`
+* :func:`py2:urlparse.urljoin`
+* :func:`py2:urlparse.urldefrag`
+* :func:`py2:urlparse.urlsplit`
+* :func:`py2:urlparse.urlunsplit`
+* :func:`py2:urlparse.splitquery`
+* :func:`py2:urlparse.uses_fragment`
+* :func:`py2:urlparse.uses_netloc`
+* :func:`py2:urlparse.uses_params`
+* :func:`py2:urlparse.uses_query`
+* :func:`py2:urlparse.uses_relative`
+
+and :mod:`py2:urllib`:
+
+* :func:`py2:urllib.quote`
+* :func:`py2:urllib.quote_plus`
+* :func:`py2:urllib.splittag`
+* :func:`py2:urllib.splituser`
+* :func:`py2:urllib.unquote`
+* :func:`py2:urllib.unquote_plus`
+* :func:`py2:urllib.urlencode`
+
+
+urllib error
+<<<<<<<<<<<<
+
+.. module:: six.moves.urllib.error
+   :synopsis: Stuff from :mod:`py2:urllib` and :mod:`py2:urllib2` in Python 2 and :mod:`py3:urllib.error` in Python 3
+
+Contains exceptions from Python 3's :mod:`py3:urllib.error` and Python 2's:
+
+:mod:`py2:urllib`:
+
+* :exc:`py2:urllib.ContentTooShortError`
+
+and :mod:`py2:urllib2`:
+
+* :exc:`py2:urllib2.URLError`
+* :exc:`py2:urllib2.HTTPError`
+
+
+urllib request
+<<<<<<<<<<<<<<
+
+.. module:: six.moves.urllib.request
+   :synopsis: Stuff from :mod:`py2:urllib` and :mod:`py2:urllib2` in Python 2 and :mod:`py3:urllib.request` in Python 3
+
+Contains items from Python 3's :mod:`py3:urllib.request` and Python 2's:
+
+:mod:`py2:urllib`:
+
+* :func:`py2:urllib.pathname2url`
+* :func:`py2:urllib.url2pathname`
+* :func:`py2:urllib.getproxies`
+* :func:`py2:urllib.urlretrieve`
+* :func:`py2:urllib.urlcleanup`
+* :class:`py2:urllib.URLopener`
+* :class:`py2:urllib.FancyURLopener`
+* :func:`py2:urllib.proxy_bypass`
+
+and :mod:`py2:urllib2`:
+
+* :func:`py2:urllib2.urlopen`
+* :func:`py2:urllib2.install_opener`
+* :func:`py2:urllib2.build_opener`
+* :class:`py2:urllib2.Request`
+* :class:`py2:urllib2.OpenerDirector`
+* :class:`py2:urllib2.HTTPDefaultErrorHandler`
+* :class:`py2:urllib2.HTTPRedirectHandler`
+* :class:`py2:urllib2.HTTPCookieProcessor`
+* :class:`py2:urllib2.ProxyHandler`
+* :class:`py2:urllib2.BaseHandler`
+* :class:`py2:urllib2.HTTPPasswordMgr`
+* :class:`py2:urllib2.HTTPPasswordMgrWithDefaultRealm`
+* :class:`py2:urllib2.AbstractBasicAuthHandler`
+* :class:`py2:urllib2.HTTPBasicAuthHandler`
+* :class:`py2:urllib2.ProxyBasicAuthHandler`
+* :class:`py2:urllib2.AbstractDigestAuthHandler`
+* :class:`py2:urllib2.HTTPDigestAuthHandler`
+* :class:`py2:urllib2.ProxyDigestAuthHandler`
+* :class:`py2:urllib2.HTTPHandler`
+* :class:`py2:urllib2.HTTPSHandler`
+* :class:`py2:urllib2.FileHandler`
+* :class:`py2:urllib2.FTPHandler`
+* :class:`py2:urllib2.CacheFTPHandler`
+* :class:`py2:urllib2.UnknownHandler`
+* :class:`py2:urllib2.HTTPErrorProcessor`
+
+
+urllib response
+<<<<<<<<<<<<<<<
+
+.. module:: six.moves.urllib.response
+   :synopsis: Stuff from :mod:`py2:urllib` in Python 2 and :mod:`py3:urllib.response` in Python 3
+
+Contains classes from Python 3's :mod:`py3:urllib.response` and Python 2's:
+
+:mod:`py2:urllib`:
+
+* :class:`py2:urllib.addbase`
+* :class:`py2:urllib.addclosehook`
+* :class:`py2:urllib.addinfo`
+* :class:`py2:urllib.addinfourl`
+
+
+Advanced - Customizing renames
+<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+.. currentmodule:: six
+
+It is possible to add additional names to the :mod:`six.moves` namespace.
+
+
+.. function:: add_move(item)
+
+   Add *item* to the :mod:`six.moves` mapping.  *item* should be a
+   :class:`MovedAttribute` or :class:`MovedModule` instance.
+
+
+.. function:: remove_move(name)
+
+   Remove the :mod:`six.moves` mapping called *name*.  *name* should be a
+   string.
+
+
+Instances of the following classes can be passed to :func:`add_move`.  Neither
+have any public members.
+
+
+.. class:: MovedModule(name, old_mod, new_mod)
+
+   Create a mapping for :mod:`six.moves` called *name* that references different
+   modules in Python 2 and 3.  *old_mod* is the name of the Python 2 module.
+   *new_mod* is the name of the Python 3 module.
+
+
+.. class:: MovedAttribute(name, old_mod, new_mod, old_attr=None, new_attr=None)
+
+   Create a mapping for :mod:`six.moves` called *name* that references different
+   attributes in Python 2 and 3.  *old_mod* is the name of the Python 2 module.
+   *new_mod* is the name of the Python 3 module.  If *new_attr* is not given, it
+   defaults to *old_attr*.  If neither is given, they both default to *name*.