__init__.py 文件源码

def _json_object_hook(dict):
    """Deserialization handlers for types unsupported by `simplejson`.
    """
    classname = dict.get('__class__')
    handlers = {
        'datetime': parse_datetime,
        'date': lambda v: parse_datetime(v).date(),
        'time': lambda v: parse_datetime(v).timetz(),
        'timedelta': kwargified(timedelta),
        'tuple': tuple,
        'set': set,
        'frozenset': frozenset,
        'complex': kwargified(complex),
        'Decimal': Decimal,
        'Fraction': kwargified(Fraction),
        'namedtuple': _load_namedtuple,
        'UUID': kwargified(uuid.UUID)
    }
    if classname:
        constructor = handlers.get(classname)
        value = dict.get('__value__')
        if constructor:
            return constructor(value)
        raise TypeError("Unknown class: '%s'" % classname)
    return dict