elasticapm/utils/json_encoder.py (26 lines of code) (raw):
# BSD 3-Clause License
#
# Copyright (c) 2012, the Sentry Team, see AUTHORS for more details
# Copyright (c) 2019, Elasticsearch BV
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
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# * Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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import datetime
import decimal
import json
import uuid
class BetterJSONEncoder(json.JSONEncoder):
ENCODERS = {
set: list,
frozenset: list,
datetime.datetime: lambda obj: obj.strftime("%Y-%m-%dT%H:%M:%S.%fZ"),
uuid.UUID: lambda obj: obj.hex,
bytes: lambda obj: obj.decode("utf-8", errors="replace"),
decimal.Decimal: lambda obj: float(obj),
}
def default(self, obj):
if type(obj) in self.ENCODERS:
return self.ENCODERS[type(obj)](obj)
try:
return super(BetterJSONEncoder, self).default(obj)
except TypeError:
return str(obj)
def better_decoder(data):
return data
def dumps(value, **kwargs):
return json.dumps(value, cls=BetterJSONEncoder, **kwargs)
def loads(value, **kwargs):
return json.loads(value, object_hook=better_decoder)