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-rwxr-xr-xthird_party/protobuf/3.2.0/python/stubout.py140
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diff --git a/third_party/protobuf/3.2.0/python/stubout.py b/third_party/protobuf/3.2.0/python/stubout.py
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--- a/third_party/protobuf/3.2.0/python/stubout.py
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-#!/usr/bin/python2.4
-#
-# Copyright 2008 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# This file is used for testing. The original is at:
-# http://code.google.com/p/pymox/
-
-class StubOutForTesting:
- """Sample Usage:
- You want os.path.exists() to always return true during testing.
-
- stubs = StubOutForTesting()
- stubs.Set(os.path, 'exists', lambda x: 1)
- ...
- stubs.UnsetAll()
-
- The above changes os.path.exists into a lambda that returns 1. Once
- the ... part of the code finishes, the UnsetAll() looks up the old value
- of os.path.exists and restores it.
-
- """
- def __init__(self):
- self.cache = []
- self.stubs = []
-
- def __del__(self):
- self.SmartUnsetAll()
- self.UnsetAll()
-
- def SmartSet(self, obj, attr_name, new_attr):
- """Replace obj.attr_name with new_attr. This method is smart and works
- at the module, class, and instance level while preserving proper
- inheritance. It will not stub out C types however unless that has been
- explicitly allowed by the type.
-
- This method supports the case where attr_name is a staticmethod or a
- classmethod of obj.
-
- Notes:
- - If obj is an instance, then it is its class that will actually be
- stubbed. Note that the method Set() does not do that: if obj is
- an instance, it (and not its class) will be stubbed.
- - The stubbing is using the builtin getattr and setattr. So, the __get__
- and __set__ will be called when stubbing (TODO: A better idea would
- probably be to manipulate obj.__dict__ instead of getattr() and
- setattr()).
-
- Raises AttributeError if the attribute cannot be found.
- """
- if (inspect.ismodule(obj) or
- (not inspect.isclass(obj) and obj.__dict__.has_key(attr_name))):
- orig_obj = obj
- orig_attr = getattr(obj, attr_name)
-
- else:
- if not inspect.isclass(obj):
- mro = list(inspect.getmro(obj.__class__))
- else:
- mro = list(inspect.getmro(obj))
-
- mro.reverse()
-
- orig_attr = None
-
- for cls in mro:
- try:
- orig_obj = cls
- orig_attr = getattr(obj, attr_name)
- except AttributeError:
- continue
-
- if orig_attr is None:
- raise AttributeError("Attribute not found.")
-
- # Calling getattr() on a staticmethod transforms it to a 'normal' function.
- # We need to ensure that we put it back as a staticmethod.
- old_attribute = obj.__dict__.get(attr_name)
- if old_attribute is not None and isinstance(old_attribute, staticmethod):
- orig_attr = staticmethod(orig_attr)
-
- self.stubs.append((orig_obj, attr_name, orig_attr))
- setattr(orig_obj, attr_name, new_attr)
-
- def SmartUnsetAll(self):
- """Reverses all the SmartSet() calls, restoring things to their original
- definition. Its okay to call SmartUnsetAll() repeatedly, as later calls
- have no effect if no SmartSet() calls have been made.
-
- """
- self.stubs.reverse()
-
- for args in self.stubs:
- setattr(*args)
-
- self.stubs = []
-
- def Set(self, parent, child_name, new_child):
- """Replace child_name's old definition with new_child, in the context
- of the given parent. The parent could be a module when the child is a
- function at module scope. Or the parent could be a class when a class'
- method is being replaced. The named child is set to new_child, while
- the prior definition is saved away for later, when UnsetAll() is called.
-
- This method supports the case where child_name is a staticmethod or a
- classmethod of parent.
- """
- old_child = getattr(parent, child_name)
-
- old_attribute = parent.__dict__.get(child_name)
- if old_attribute is not None and isinstance(old_attribute, staticmethod):
- old_child = staticmethod(old_child)
-
- self.cache.append((parent, old_child, child_name))
- setattr(parent, child_name, new_child)
-
- def UnsetAll(self):
- """Reverses all the Set() calls, restoring things to their original
- definition. Its okay to call UnsetAll() repeatedly, as later calls have
- no effect if no Set() calls have been made.
-
- """
- # Undo calls to Set() in reverse order, in case Set() was called on the
- # same arguments repeatedly (want the original call to be last one undone)
- self.cache.reverse()
-
- for (parent, old_child, child_name) in self.cache:
- setattr(parent, child_name, old_child)
- self.cache = []