def __call__(self, args):
        """Get the option value from the parsed arguments."""
        self._check(args)
        for arg, val in self._mapping.items():
            if args[arg] not in (None, False):
                return val
def __call__ ( self , args ) : self . _check ( args ) for arg , val in self . _mapping . items ( ) : if args [ arg ] not in ( None , False ) : return val
Get the option value from the parsed arguments.