<s> __author__ = """<STR_LIT>""" <EOL> if __name__ == '<STR_LIT:__main__>' : <EOL> from os import getcwd <EOL> from os import sys <EOL> sys . path . append ( getcwd ( ) ) <EOL> from MOAL . helpers . display import Section <EOL> DEBUG = True if __name__ == '<STR_LIT:__main__>' else False <EOL> class DBConnectionError : <EOL> pass <EOL> class DBReadError : <EOL> pass <EOL> class MockDBAdapter : <EOL> def __init__ ( self , * args , ** kwargs ) : <EOL> self . conn = { <EOL> '<STR_LIT:name>' : '<STR_LIT>' , <EOL> '<STR_LIT:password>' : '<STR_LIT>' , <EOL> '<STR_LIT:name>' : None , <EOL> '<STR_LIT:url>' : None <EOL> } <EOL> self . data = { } <EOL> def rollback ( self ) : <EOL> print ( '<STR_LIT>' ) <EOL> def commit ( self ) : <EOL> try : <EOL> print ( '<STR_LIT>' ) <EOL> except DBConnectionError : <EOL> print ( '<STR_LIT>' ) <EOL> self . rollback ( ) <EOL> def write ( self , key , ** kwargs ) : <EOL> self . data [ key ] = kwargs <EOL> print ( '<STR_LIT>' . format ( key ) ) <EOL> for kwarg in kwargs : <EOL> print ( '<STR_LIT>' . format ( kwarg ) ) <EOL> def read ( self , key ) : <EOL> try : <EOL> print ( '<STR_LIT>' . format ( key ) ) <EOL> return self . data [ key ] <EOL> except KeyError : <EOL> raise DBReadError <EOL> class Controller ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , * args , ** kwargs ) : <EOL> if '<STR_LIT>' in kwargs : <EOL> self . db = MockDBAdapter ( kwargs [ '<STR_LIT>' ] ) <EOL> else : <EOL> self . db = MockDBAdapter ( ) <EOL> def receive ( self , eventname , ** data ) : <EOL> raise NotImplementedError <EOL> def send ( self , eventname , data ) : <EOL> raise NotImplementedError <EOL> class InvalidEvent : <EOL> pass <EOL> class CustomerController ( Controller ) : <EOL> """<STR_LIT>""" <EOL> def send ( self , event , ** kwargs ) : <EOL> if '<STR_LIT:name>' not in kwargs : <EOL> raise ValueError ( '<STR_LIT>' ) <EOL> ops = { <EOL> '<STR_LIT>' : self . _create_user , <EOL> '<STR_LIT>' : self . _edit_user , <EOL> '<STR_LIT>' : self . _read_user , <EOL> '<STR_LIT>' : self . _delete_user , <EOL> } <EOL> try : <EOL> return ops [ event ] ( ** kwargs ) <EOL> except KeyError : <EOL> raise InvalidEvent <EOL> def _read_user ( self , ** kwargs ) : <EOL> return self . db . read ( kwargs [ '<STR_LIT:name>' ] ) <EOL> def _create_user ( self , ** kwargs ) : <EOL> self . db . write ( kwargs [ '<STR_LIT:name>' ] , ** kwargs ) <EOL> self . db . commit ( ) <EOL> def _edit_user ( self , ** kwargs ) : <EOL> user = self . db . read ( kwargs [ '<STR_LIT:name>' ] ) <EOL> if user is not None : <EOL> self . db . write ( kwargs [ '<STR_LIT:name>' ] , ** kwargs ) <EOL> self . db . commit ( ) <EOL> def _delete_user ( self , name ) : <EOL> pass <EOL> class InputController : <EOL> def __init__ ( self ) : <EOL> self . position = { <EOL> '<STR_LIT>' : <NUM_LIT:0> , <EOL> '<STR_LIT:left>' : <NUM_LIT:0> , <EOL> '<STR_LIT:right>' : <NUM_LIT:0> , <EOL> '<STR_LIT>' : <NUM_LIT:0> , <EOL> } <EOL> def _event ( self , pos ) : <EOL> self . position [ pos ] += <NUM_LIT:1> <EOL> print ( '<STR_LIT>' . format ( pos ) ) <EOL> def push ( self , button_name ) : <EOL> """<STR_LIT>""" <EOL> if button_name is '<STR_LIT:w>' : <EOL> self . _event ( '<STR_LIT>' ) <EOL> elif button_name is '<STR_LIT:a>' : <EOL> self . _event ( '<STR_LIT:left>' ) <EOL> elif button_name is '<STR_LIT:s>' : <EOL> self . _event ( '<STR_LIT>' ) <EOL> elif button_name is '<STR_LIT:d>' : <EOL> self . _event ( '<STR_LIT:right>' ) <EOL> else : <EOL> print ( '<STR_LIT>' ) <EOL> def get_position ( self ) : <EOL> return self . position <EOL> if DEBUG : <EOL> with Section ( '<STR_LIT>' ) : <EOL> usermanager = CustomerController ( ) <EOL> usermanager . send ( '<STR_LIT>' , name = '<STR_LIT>' , data = { '<STR_LIT:foo>' : '<STR_LIT:bar>' } ) <EOL> assert usermanager . send ( '<STR_LIT>' , name = '<STR_LIT>' ) [ '<STR_LIT:data>' ] [ '<STR_LIT:foo>' ] is '<STR_LIT:bar>' <EOL> usermanager . send ( '<STR_LIT>' , name = '<STR_LIT>' , data = { '<STR_LIT:foo>' : '<STR_LIT>' } ) <EOL> assert usermanager . send ( '<STR_LIT>' , name = '<STR_LIT>' ) [ '<STR_LIT:data>' ] [ '<STR_LIT:foo>' ] is '<STR_LIT>' <EOL> with Section ( '<STR_LIT>' ) : <EOL> controller = InputController ( ) <EOL> controller . push ( '<STR_LIT:w>' ) <EOL> controller . push ( '<STR_LIT:a>' ) <EOL> controller . push ( '<STR_LIT:s>' ) <EOL> controller . push ( '<STR_LIT:d>' ) <EOL> print ( controller . get_position ( ) ) </s>
