sdbmanager.py 文件源码

def __init__(self, manager):
        # Do a delayed import to prevent possible circular import errors.
        from boto.sdb.db.model import Model
        self.model_class = Model
        self.manager = manager
        self.type_map = {bool: (self.encode_bool, self.decode_bool),
                         int: (self.encode_int, self.decode_int),
                         float: (self.encode_float, self.decode_float),
                         self.model_class: (
                            self.encode_reference, self.decode_reference
                         ),
                         Key: (self.encode_reference, self.decode_reference),
                         datetime: (self.encode_datetime, self.decode_datetime),
                         date: (self.encode_date, self.decode_date),
                         time: (self.encode_time, self.decode_time),
                         Blob: (self.encode_blob, self.decode_blob),
                         str: (self.encode_string, self.decode_string),
                      }
        if six.PY2:
            self.type_map[long] = (self.encode_long, self.decode_long)