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# -*- coding: utf-8 -*-
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# Copyright 2010 - 2017 RhodeCode GmbH and the AppEnlight project authors
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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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import json
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from datetime import datetime, date, timedelta
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DATE_FORMAT = '%Y-%m-%dT%H:%M:%S.%f'
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class DateEncoder(json.JSONEncoder):
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def default(self, obj):
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if isinstance(obj, datetime):
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return {
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'__type__': '__datetime__',
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'iso': obj.strftime(DATE_FORMAT)
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}
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elif isinstance(obj, date):
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return {
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'__type__': '__date__',
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'iso': obj.strftime(DATE_FORMAT)
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}
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elif isinstance(obj, timedelta):
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return {
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'__type__': '__timedelta__',
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'seconds': obj.total_seconds()
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}
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else:
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return json.JSONEncoder.default(self, obj)
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def date_decoder(dct):
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if '__type__' in dct:
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if dct['__type__'] == '__datetime__':
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return datetime.strptime(dct['iso'], DATE_FORMAT)
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elif dct['__type__'] == '__date__':
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return datetime.strptime(dct['iso'], DATE_FORMAT).date()
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elif dct['__type__'] == '__timedelta__':
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return timedelta(seconds=dct['seconds'])
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return dct
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def json_dumps(obj):
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return json.dumps(obj, cls=DateEncoder)
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def json_loads(obj):
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return json.loads(obj.decode('utf8'), object_hook=date_decoder)
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