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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# Copyright (C) 2005-2013 the SQLAlchemy authors
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# and contributors <see AUTHORS file>
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# This module is part of SQLAlchemy and is released under
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# the MIT License: http://www.opensource.org/lic enses/mit-license.php
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Submitted on behalf of a third-party: sqlalchemy
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from sqlalchemy.ext.mutable import Mutable
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class MutableDict(Mutable, dict):
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"""A dictionary type that implements :class:`.Mutable`.
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def __setitem__(self, key, value):
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"""Detect dictionary set events and emit change events."""
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dict.__setitem__(self, key, value)
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def __delitem__(self, key):
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"""Detect dictionary del events and emit change events."""
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dict.__delitem__(self, key)
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def coerce(cls, key, value):
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"""Convert plain dictionary to MutableDict."""
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if not isinstance(value, MutableDict):
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if isinstance(value, dict):
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return MutableDict(value)
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return Mutable.coerce(key, value)
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def __getstate__(self):
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def __setstate__(self, state):