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diff --git a/third_party/py/gflags/tests/flags_modules_for_testing/module_bar.py b/third_party/py/gflags/tests/flags_modules_for_testing/module_bar.py
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+++ b/third_party/py/gflags/tests/flags_modules_for_testing/module_bar.py
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+#!/usr/bin/env python
+
+# Copyright (c) 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+"""Auxiliary module for testing gflags.py.
+
+The purpose of this module is to define a few flags.  We want to make
+sure the unit tests for gflags.py involve more than one module.
+"""
+
+__author__ = 'salcianu@google.com (Alex Salcianu)'
+
+__pychecker__ = 'no-local'  # for unittest
+
+import gflags
+
+FLAGS = gflags.FLAGS
+
+
+def DefineFlags(flag_values=FLAGS):
+  """Defines some flags.
+
+  Args:
+    flag_values: The FlagValues object we want to register the flags
+      with.
+  """
+  # The 'tmod_bar_' prefix (short for 'test_module_bar') ensures there
+  # is no name clash with the existing flags.
+  gflags.DEFINE_boolean('tmod_bar_x', True, 'Boolean flag.',
+                       flag_values=flag_values)
+  gflags.DEFINE_string('tmod_bar_y', 'default', 'String flag.',
+                      flag_values=flag_values)
+  gflags.DEFINE_boolean('tmod_bar_z', False,
+                       'Another boolean flag from module bar.',
+                       flag_values=flag_values)
+  gflags.DEFINE_integer('tmod_bar_t', 4, 'Sample int flag.',
+                       flag_values=flag_values)
+  gflags.DEFINE_integer('tmod_bar_u', 5, 'Sample int flag.',
+                       flag_values=flag_values)
+  gflags.DEFINE_integer('tmod_bar_v', 6, 'Sample int flag.',
+                       flag_values=flag_values)
+
+
+def RemoveOneFlag(flag_name, flag_values=FLAGS):
+  """Removes the definition of one flag from gflags.FLAGS.
+
+  Note: if the flag is not defined in gflags.FLAGS, this function does
+  not do anything (in particular, it does not raise any exception).
+
+  Motivation: We use this function for cleanup *after* a test: if
+  there was a failure during a test and not all flags were declared,
+  we do not want the cleanup code to crash.
+
+  Args:
+    flag_name: A string, the name of the flag to delete.
+    flag_values: The FlagValues object we remove the flag from.
+  """
+  if flag_name in flag_values.FlagDict():
+    flag_values.__delattr__(flag_name)
+
+
+def NamesOfDefinedFlags():
+  """Returns: List of names of the flags declared in this module."""
+  return ['tmod_bar_x',
+          'tmod_bar_y',
+          'tmod_bar_z',
+          'tmod_bar_t',
+          'tmod_bar_u',
+          'tmod_bar_v']
+
+
+def RemoveFlags(flag_values=FLAGS):
+  """Deletes the flag definitions done by the above DefineFlags().
+
+  Args:
+    flag_values: The FlagValues object we remove the flags from.
+  """
+  for flag_name in NamesOfDefinedFlags():
+    RemoveOneFlag(flag_name, flag_values=flag_values)
+
+
+def GetModuleName():
+  """Uses gflags._GetCallingModule() to return the name of this module.
+
+  For checking that _GetCallingModule works as expected.
+
+  Returns:
+    A string, the name of this module.
+  """
+  # Calling the protected _GetCallingModule generates a lint warning,
+  # but we do not have any other alternative to test that function.
+  return gflags._GetCallingModule()
+
+
+def ExecuteCode(code, global_dict):
+  """Executes some code in a given global environment.
+
+  For testing of _GetCallingModule.
+
+  Args:
+    code: A string, the code to be executed.
+    global_dict: A dictionary, the global environment that code should
+      be executed in.
+  """
+  # Indeed, using exec generates a lint warning.  But some user code
+  # actually uses exec, and we have to test for it ...
+  exec code in global_dict