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Deepmind Team
64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
# Lint as: python3.
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# Copyright 2019 DeepMind Technologies Limited
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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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"""Utilities for storing configuration flags."""
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import json
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class ConfigDict(dict):
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"""Configuration dictionary with convenient dot element access."""
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def __init__(self, *args, **kwargs):
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super(ConfigDict, self).__init__(*args, **kwargs)
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for arg in args:
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if isinstance(arg, dict):
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for key, value in arg.items():
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self._add(key, value)
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for key, value in kwargs.items():
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self._add(key, value)
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def _add(self, key, value):
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if isinstance(value, dict):
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self[key] = ConfigDict(value)
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else:
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self[key] = value
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def __getattr__(self, attr):
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try:
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return self[attr]
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except KeyError as e:
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raise AttributeError(e)
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def __setattr__(self, key, value):
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self.__setitem__(key, value)
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def __setitem__(self, key, value):
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super(ConfigDict, self).__setitem__(key, value)
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self.__dict__.update({key: value})
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def __delattr__(self, item):
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self.__delitem__(item)
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def __delitem__(self, key):
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super(ConfigDict, self).__delitem__(key)
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del self.__dict__[key]
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def to_json(self):
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return json.dumps(self)
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@classmethod
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def from_json(cls, json_string):
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return cls(json.loads(json_string))
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