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#  the Apache License, Version 2.0 (the "License"); you may
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#  You may obtain a copy of the License at
#
# 	http://www.apache.org/licenses/LICENSE-2.0
#
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import datetime

from elastic_transport import JsonSerializer as _JsonSerializer

from ._utils import format_datetime


class JsonSerializer(_JsonSerializer):
    """Same as elastic_transport.JsonSerializer except also formats
    datetime objects to RFC 3339. If a datetime is received without
    explicit timezone information then the timezone will be assumed
    to be the local timezone.
    """

    def default(self, data):
        if isinstance(data, datetime.datetime):
            return format_datetime(data)
        return super().default(data)


JSONSerializer = JsonSerializer