126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
|
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
|
||
|
#
|
||
|
# 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.
|
||
|
# ==============================================================================
|
||
|
|
||
|
"""Import router for absl.flags. See https://github.com/abseil/abseil-py."""
|
||
|
from __future__ import absolute_import
|
||
|
from __future__ import division
|
||
|
from __future__ import print_function
|
||
|
|
||
|
import logging as _logging
|
||
|
import sys as _sys
|
||
|
|
||
|
# go/tf-wildcard-import
|
||
|
from absl.flags import * # pylint: disable=wildcard-import
|
||
|
import six as _six
|
||
|
|
||
|
from tensorflow.python.util import tf_decorator
|
||
|
|
||
|
|
||
|
# Since we wrap absl.flags DEFINE functions, we need to declare this module
|
||
|
# does not affect key flags.
|
||
|
disclaim_key_flags() # pylint: disable=undefined-variable
|
||
|
|
||
|
|
||
|
_RENAMED_ARGUMENTS = {
|
||
|
'flag_name': 'name',
|
||
|
'default_value': 'default',
|
||
|
'docstring': 'help',
|
||
|
}
|
||
|
|
||
|
|
||
|
def _wrap_define_function(original_function):
|
||
|
"""Wraps absl.flags's define functions so tf.flags accepts old names."""
|
||
|
|
||
|
def wrapper(*args, **kwargs):
|
||
|
"""Wrapper function that turns old keyword names to new ones."""
|
||
|
has_old_names = False
|
||
|
for old_name, new_name in _six.iteritems(_RENAMED_ARGUMENTS):
|
||
|
if old_name in kwargs:
|
||
|
has_old_names = True
|
||
|
value = kwargs.pop(old_name)
|
||
|
kwargs[new_name] = value
|
||
|
if has_old_names:
|
||
|
_logging.warning(
|
||
|
'Use of the keyword argument names (flag_name, default_value, '
|
||
|
'docstring) is deprecated, please use (name, default, help) instead.')
|
||
|
return original_function(*args, **kwargs)
|
||
|
|
||
|
return tf_decorator.make_decorator(original_function, wrapper)
|
||
|
|
||
|
|
||
|
class _FlagValuesWrapper(object):
|
||
|
"""Wrapper class for absl.flags.FLAGS.
|
||
|
|
||
|
The difference is that tf.flags.FLAGS implicitly parses flags with sys.argv
|
||
|
when accessing the FLAGS values before it's explicitly parsed,
|
||
|
while absl.flags.FLAGS raises an exception.
|
||
|
"""
|
||
|
|
||
|
def __init__(self, flags_object):
|
||
|
self.__dict__['__wrapped'] = flags_object
|
||
|
|
||
|
def __getattribute__(self, name):
|
||
|
if name == '__dict__':
|
||
|
return super(_FlagValuesWrapper, self).__getattribute__(name)
|
||
|
return self.__dict__['__wrapped'].__getattribute__(name)
|
||
|
|
||
|
def __getattr__(self, name):
|
||
|
wrapped = self.__dict__['__wrapped']
|
||
|
# To maintain backwards compatibility, implicitly parse flags when reading
|
||
|
# a flag.
|
||
|
if not wrapped.is_parsed():
|
||
|
wrapped(_sys.argv)
|
||
|
return wrapped.__getattr__(name)
|
||
|
|
||
|
def __setattr__(self, name, value):
|
||
|
return self.__dict__['__wrapped'].__setattr__(name, value)
|
||
|
|
||
|
def __delattr__(self, name):
|
||
|
return self.__dict__['__wrapped'].__delattr__(name)
|
||
|
|
||
|
def __dir__(self):
|
||
|
return self.__dict__['__wrapped'].__dir__()
|
||
|
|
||
|
def __getitem__(self, name):
|
||
|
return self.__dict__['__wrapped'].__getitem__(name)
|
||
|
|
||
|
def __setitem__(self, name, flag):
|
||
|
return self.__dict__['__wrapped'].__setitem__(name, flag)
|
||
|
|
||
|
def __len__(self):
|
||
|
return self.__dict__['__wrapped'].__len__()
|
||
|
|
||
|
def __iter__(self):
|
||
|
return self.__dict__['__wrapped'].__iter__()
|
||
|
|
||
|
def __str__(self):
|
||
|
return self.__dict__['__wrapped'].__str__()
|
||
|
|
||
|
def __call__(self, *args, **kwargs):
|
||
|
return self.__dict__['__wrapped'].__call__(*args, **kwargs)
|
||
|
|
||
|
|
||
|
# pylint: disable=invalid-name,used-before-assignment
|
||
|
# absl.flags APIs use `default` as the name of the default value argument.
|
||
|
# Allow the following functions continue to accept `default_value`.
|
||
|
DEFINE_string = _wrap_define_function(DEFINE_string)
|
||
|
DEFINE_boolean = _wrap_define_function(DEFINE_boolean)
|
||
|
DEFINE_bool = DEFINE_boolean
|
||
|
DEFINE_float = _wrap_define_function(DEFINE_float)
|
||
|
DEFINE_integer = _wrap_define_function(DEFINE_integer)
|
||
|
# pylint: enable=invalid-name,used-before-assignment
|
||
|
|
||
|
FLAGS = _FlagValuesWrapper(FLAGS) # pylint: disable=used-before-assignment
|