json_util.py 文件源码

def __new__(cls, strict_number_long=False,
                datetime_representation=DatetimeRepresentation.LEGACY,
                strict_uuid=False, *args, **kwargs):
        kwargs["tz_aware"] = kwargs.get("tz_aware", True)
        if kwargs["tz_aware"]:
            kwargs["tzinfo"] = kwargs.get("tzinfo", utc)
        if datetime_representation not in (DatetimeRepresentation.LEGACY,
                                           DatetimeRepresentation.NUMBERLONG,
                                           DatetimeRepresentation.ISO8601):
            raise ConfigurationError(
                "JSONOptions.datetime_representation must be one of LEGACY,"
                "NUMBERLONG, or ISO8601 from DatetimeRepresentation.")
        self = super(JSONOptions, cls).__new__(cls, *args, **kwargs)
        if not _HAS_OBJECT_PAIRS_HOOK and self.document_class != dict:
            raise ConfigurationError(
                "Support for JSONOptions.document_class on Python 2.6 "
                "requires simplejson "
                "(https://pypi.python.org/pypi/simplejson) to be installed.")
        self.strict_number_long = strict_number_long
        self.datetime_representation = datetime_representation
        self.strict_uuid = strict_uuid
        return self