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raven
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utils
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""" raven.utils.json ~~~~~~~~~~~~~~~~~~~~~~~~ :copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details. :license: BSD, see LICENSE for more details. """ from __future__ import absolute_import import codecs import datetime import uuid import json try: JSONDecodeError = json.JSONDecodeError except AttributeError: JSONDecodeError = ValueError class BetterJSONEncoder(json.JSONEncoder): ENCODER_BY_TYPE = { uuid.UUID: lambda o: o.hex, datetime.datetime: lambda o: o.strftime('%Y-%m-%dT%H:%M:%SZ'), set: list, frozenset: list, bytes: lambda o: o.decode('utf-8', errors='replace') } def default(self, obj): try: encoder = self.ENCODER_BY_TYPE[type(obj)] except KeyError: try: return super(BetterJSONEncoder, self).default(obj) except TypeError: return repr(obj) return encoder(obj) def better_decoder(data): return data def dumps(value, **kwargs): try: return json.dumps(value, cls=BetterJSONEncoder, **kwargs) except Exception: kwargs['encoding'] = 'safe-utf-8' return json.dumps(value, cls=BetterJSONEncoder, **kwargs) def loads(value, **kwargs): return json.loads(value, object_hook=better_decoder) _utf8_encoder = codecs.getencoder('utf-8') def safe_encode(input, errors='backslashreplace'): return _utf8_encoder(input, errors) _utf8_decoder = codecs.getdecoder('utf-8') def safe_decode(input, errors='replace'): return _utf8_decoder(input, errors) class Codec(codecs.Codec): def encode(self, input, errors='backslashreplace'): return safe_encode(input, errors) def decode(self, input, errors='replace'): return safe_decode(input, errors) class IncrementalEncoder(codecs.IncrementalEncoder): def encode(self, input, final=False): return safe_encode(input, self.errors)[0] class IncrementalDecoder(codecs.IncrementalDecoder): def decode(self, input, final=False): return safe_decode(input, self.errors)[0] class StreamWriter(Codec, codecs.StreamWriter): pass class StreamReader(Codec, codecs.StreamReader): pass def getregentry(name): if name != 'safe-utf-8': return None return codecs.CodecInfo( name='safe-utf-8', encode=safe_encode, decode=safe_decode, incrementalencoder=IncrementalEncoder, incrementaldecoder=IncrementalDecoder, streamreader=StreamReader, streamwriter=StreamWriter, ) codecs.register(getregentry)
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