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Delaney Granizo-Mackenzie
43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
#
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# Copyright 2015 Quantopian, 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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# Label for the serialization version field in the state returned by
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# __getstate__.
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VERSION_LABEL = '_stateversion_'
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class SerializeableZiplineObject(object):
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"""
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This class implements the basic set and get state methods used for
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serialization. It also serves as a demarkation of which objects we
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serialize.
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"""
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def __getstate__(self):
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"""
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Many get_state methods need this one line of code.
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This method deduplicates the code calls.
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"""
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state_dict = \
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{k: v for k, v in self.__dict__.iteritems()
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if not k.startswith('_')}
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return state_dict
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def __setstate__(self, state):
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"""
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Many objects require only this code.
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"""
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self.__dict__.update(state)
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