Alf P. Steinbach, 21.01.2010 09:30: > * Martin Drautzburg: >> - to be able to call move(up) >> - having the "up" symbol only in the context of the function call >> >> So it should look something like this >> >> ... magic, magic ... >> move(up) >> ... unmagic, unmagic ... >> print up
Looks like a terribly bad design to me. >> This should complain that "up" is not defined during the "print" call, >> but not when move() is called. And of course there should be as little >> magic as possible. >> >> Any way to achieve this? > > >>> def move( direction ): > ... print( "move " + str( direction ) ) > ... > >>> move( "up" ) > move up > >>> > >>> class using_directions: > ... up = 42 > ... move( up ) > ... > move 42 > >>> up > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > NameError: name 'up' is not defined > >>> _ > > Of course it's an abuse of the language. :-) And, of course, it's totally useless as the move() function doesn't know about the 'up' thing in the first place. Stefan -- http://mail.python.org/mailman/listinfo/python-list
