| #!/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: |
| # |
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| # 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 |
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| |
| """Auxiliary module for testing flags.py. |
| |
| The purpose of this module is to define a few flags, and declare some |
| other flags as being important. We want to make sure the unit tests |
| for flags.py involve more than one module. |
| """ |
| |
| __author__ = 'Alex Salcianu' |
| |
| __pychecker__ = "no-local" # for unittest |
| |
| # We use the name 'flags' internally in this test, for historical reasons. |
| # Don't do this yourself! :-) Just do 'import gflags; FLAGS=gflags.FLAGS; etc' |
| import gflags as flags |
| FLAGS = flags.FLAGS |
| |
| # For historical reasons we use the name module_bar instead of test_module_bar. |
| import test_module_bar as module_bar |
| |
| DECLARED_KEY_FLAGS = ['tmod_bar_x', 'tmod_bar_z', 'tmod_bar_t'] |
| |
| |
| def DefineFlags(): |
| """Defines a few flags.""" |
| module_bar.DefineFlags() |
| # The 'tmod_foo_' prefix (short for 'test_module_foo') ensures that we |
| # have no name clash with existing flags. |
| flags.DEFINE_boolean('tmod_foo_bool', True, 'Boolean flag from module foo.') |
| flags.DEFINE_string('tmod_foo_str', 'default', 'String flag.') |
| flags.DEFINE_integer('tmod_foo_int', 3, 'Sample int flag.') |
| |
| |
| def DeclareKeyFlags(): |
| """Declares a few key flags.""" |
| for flag_name in DECLARED_KEY_FLAGS: |
| flags.DECLARE_key_flag(flag_name) |
| |
| |
| def DeclareExtraKeyFlags(): |
| """Declares some extra key flags.""" |
| flags.ADOPT_module_key_flags(module_bar) |
| |
| |
| def NamesOfDefinedFlags(): |
| """Returns: list of names of flags defined by this module.""" |
| return ['tmod_foo_bool', 'tmod_foo_str', 'tmod_foo_int'] |
| |
| |
| def NamesOfDeclaredKeyFlags(): |
| """Returns: list of names of key flags for this module.""" |
| return NamesOfDefinedFlags() + DECLARED_KEY_FLAGS |
| |
| |
| def NamesOfDeclaredExtraKeyFlags(): |
| """Returns the list of names of additional key flags for this module. |
| |
| These are the flags that became key for this module only as a result |
| of a call to DeclareExtraKeyFlags() above. I.e., the flags declared |
| by module_bar, that were not already declared as key for this |
| module. |
| |
| Returns: |
| The list of names of additional key flags for this module. |
| """ |
| names_of_extra_key_flags = list(module_bar.NamesOfDefinedFlags()) |
| for flag_name in NamesOfDeclaredKeyFlags(): |
| while flag_name in names_of_extra_key_flags: |
| names_of_extra_key_flags.remove(flag_name) |
| return names_of_extra_key_flags |
| |
| |
| def RemoveFlags(): |
| """Deletes the flag definitions done by the above DefineFlags().""" |
| for flag_name in NamesOfDefinedFlags(): |
| module_bar.RemoveOneFlag(flag_name) |
| module_bar.RemoveFlags() |
| |
| |
| def GetModuleName(): |
| """Uses flags._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 flags._GetCallingModule() |