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# Copyright 2018 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.
# ==============================================================================
"""Structures that allow uniform control over the dispatch process."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import collections
# TODO(mdan): This is where macro override controls fit.
class DispatchContext(collections.namedtuple(
'DispatchContext',
('options',))):
"""Allows passing additional parameters to the specific implementations.
Attributes:
options: Optional dict of extra arguments that may be required by specific
implementations.
"""
def option(self, name):
return self.options[name]
NO_CTX = DispatchContext(options={})
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