<s> """<STR_LIT>""" <EOL> import copy <EOL> class FieldABC ( object ) : <EOL> """<STR_LIT>""" <EOL> parent = None <EOL> name = None <EOL> def serialize ( self , attr , obj , accessor = None ) : <EOL> raise NotImplementedError <EOL> def deserialize ( self , value ) : <EOL> raise NotImplementedError <EOL> def _serialize ( self , value , attr , obj ) : <EOL> raise NotImplementedError <EOL> def _deserialize ( self , value , attr , ob ) : <EOL> raise NotImplementedError <EOL> def __deepcopy__ ( self , memo ) : <EOL> ret = copy . copy ( self ) <EOL> return ret <EOL> class SchemaABC ( object ) : <EOL> """<STR_LIT>""" <EOL> def dump ( self , obj ) : <EOL> raise NotImplementedError <EOL> def dumps ( self , obj , * args , ** kwargs ) : <EOL> raise NotImplementedError <EOL> def load ( self , data ) : <EOL> raise NotImplementedError <EOL> def loads ( self , data ) : <EOL> raise NotImplementedError </s>
