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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /python/mock-1.0.0/tests/support_with.py
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'python/mock-1.0.0/tests/support_with.py')
-rw-r--r--python/mock-1.0.0/tests/support_with.py93
1 files changed, 93 insertions, 0 deletions
diff --git a/python/mock-1.0.0/tests/support_with.py b/python/mock-1.0.0/tests/support_with.py
new file mode 100644
index 000000000..fa286122c
--- /dev/null
+++ b/python/mock-1.0.0/tests/support_with.py
@@ -0,0 +1,93 @@
+from __future__ import with_statement
+
+import sys
+
+__all__ = ['nested', 'catch_warnings', 'examine_warnings']
+
+
+try:
+ from contextlib import nested
+except ImportError:
+ from contextlib import contextmanager
+ @contextmanager
+ def nested(*managers):
+ exits = []
+ vars = []
+ exc = (None, None, None)
+ try:
+ for mgr in managers:
+ exit = mgr.__exit__
+ enter = mgr.__enter__
+ vars.append(enter())
+ exits.append(exit)
+ yield vars
+ except:
+ exc = sys.exc_info()
+ finally:
+ while exits:
+ exit = exits.pop()
+ try:
+ if exit(*exc):
+ exc = (None, None, None)
+ except:
+ exc = sys.exc_info()
+ if exc != (None, None, None):
+ raise exc[1]
+
+# copied from Python 2.6
+try:
+ from warnings import catch_warnings
+except ImportError:
+ class catch_warnings(object):
+ def __init__(self, record=False, module=None):
+ self._record = record
+ self._module = sys.modules['warnings']
+ self._entered = False
+
+ def __repr__(self):
+ args = []
+ if self._record:
+ args.append("record=True")
+ name = type(self).__name__
+ return "%s(%s)" % (name, ", ".join(args))
+
+ def __enter__(self):
+ if self._entered:
+ raise RuntimeError("Cannot enter %r twice" % self)
+ self._entered = True
+ self._filters = self._module.filters
+ self._module.filters = self._filters[:]
+ self._showwarning = self._module.showwarning
+ if self._record:
+ log = []
+ def showwarning(*args, **kwargs):
+ log.append(WarningMessage(*args, **kwargs))
+ self._module.showwarning = showwarning
+ return log
+ else:
+ return None
+
+ def __exit__(self, *exc_info):
+ if not self._entered:
+ raise RuntimeError("Cannot exit %r without entering first" % self)
+ self._module.filters = self._filters
+ self._module.showwarning = self._showwarning
+
+ class WarningMessage(object):
+ _WARNING_DETAILS = ("message", "category", "filename", "lineno", "file",
+ "line")
+ def __init__(self, message, category, filename, lineno, file=None,
+ line=None):
+ local_values = locals()
+ for attr in self._WARNING_DETAILS:
+ setattr(self, attr, local_values[attr])
+ self._category_name = None
+ if category.__name__:
+ self._category_name = category.__name__
+
+
+def examine_warnings(func):
+ def wrapper():
+ with catch_warnings(record=True) as ws:
+ func(ws)
+ return wrapper