encoder.py 文件源码

def __init__(self):
        self.mapping = {
            float: self.cql_encode_float,
            bytearray: self.cql_encode_bytes,
            str: self.cql_encode_str,
            int: self.cql_encode_object,
            UUID: self.cql_encode_object,
            datetime.datetime: self.cql_encode_datetime,
            datetime.date: self.cql_encode_date,
            datetime.time: self.cql_encode_time,
            Date: self.cql_encode_date_ext,
            Time: self.cql_encode_time,
            dict: self.cql_encode_map_collection,
            OrderedDict: self.cql_encode_map_collection,
            OrderedMap: self.cql_encode_map_collection,
            OrderedMapSerializedKey: self.cql_encode_map_collection,
            list: self.cql_encode_list_collection,
            tuple: self.cql_encode_list_collection,  # TODO: change to tuple in next major
            set: self.cql_encode_set_collection,
            sortedset: self.cql_encode_set_collection,
            frozenset: self.cql_encode_set_collection,
            types.GeneratorType: self.cql_encode_list_collection,
            ValueSequence: self.cql_encode_sequence
        }

        if six.PY2:
            self.mapping.update({
                unicode: self.cql_encode_unicode,
                buffer: self.cql_encode_bytes,
                long: self.cql_encode_object,
                types.NoneType: self.cql_encode_none,
            })
        else:
            self.mapping.update({
                memoryview: self.cql_encode_bytes,
                bytes: self.cql_encode_bytes,
                type(None): self.cql_encode_none,
            })