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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 {"__type__": "__datetime__", "iso": obj.strftime(DATE_FORMAT)}
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elif isinstance(obj, date):
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return {"__type__": "__date__", "iso": obj.strftime(DATE_FORMAT)}
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elif isinstance(obj, timedelta):
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return {"__type__": "__timedelta__", "seconds": obj.total_seconds()}
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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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