mirror of
https://github.com/zebrajr/pytorch.git
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8286ce1e3a
Summary: Closes https://github.com/caffe2/caffe2/pull/1260 Differential Revision: D5906739 Pulled By: Yangqing fbshipit-source-id: e482ba9ba60b5337d9165f28f7ec68d4518a0902
51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
# Copyright (c) 2016-present, Facebook, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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##############################################################################
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import contextlib
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import copy
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import threading
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_threadlocal_scope = threading.local()
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@contextlib.contextmanager
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def arg_scope(single_helper_or_list, **kwargs):
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global _threadlocal_scope
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if not isinstance(single_helper_or_list, list):
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assert callable(single_helper_or_list), \
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"arg_scope is only supporting single or a list of helper functions."
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single_helper_or_list = [single_helper_or_list]
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old_scope = copy.deepcopy(get_current_scope())
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for helper in single_helper_or_list:
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assert callable(helper), \
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"arg_scope is only supporting a list of callable helper functions."
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helper_key = helper.__name__
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if helper_key not in old_scope:
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_threadlocal_scope.current_scope[helper_key] = {}
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_threadlocal_scope.current_scope[helper_key].update(kwargs)
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yield
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_threadlocal_scope.current_scope = old_scope
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def get_current_scope():
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global _threadlocal_scope
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if not hasattr(_threadlocal_scope, "current_scope"):
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_threadlocal_scope.current_scope = {}
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return _threadlocal_scope.current_scope
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