(self, arg)
h(elp)
        Without argument, print the list of available commands.
        With a command name as argument, print help about that command.
        "help pdb" shows the full pdb documentation.
        "help exec" gives help on the ! command.
h(elp)
        Without argument, print the list of available commands.
        With a command name as argument, print help about that command.
        "help pdb" shows the full pdb documentation.
        "help exec" gives help on the ! command.
h ( elp ) Without argument print the list of available commands . With a command name as argument print help about that command . help pdb shows the full pdb documentation . help exec gives help on the ! command .
def do_help(self, arg):
        """h(elp)
        Without argument, print the list of available commands.
        With a command name as argument, print help about that command.
        "help pdb" shows the full pdb documentation.
        "help exec" gives help on the ! command.
        """
        if not arg:
            return cmd.Cmd.do_help(self, arg)
        try:
            try:
                topic = getattr(self, 'help_' + arg)
                return topic()
            except AttributeError:
                command = getattr(self, 'do_' + arg)
        except AttributeError:
            self.error('No help for %r' % arg)
        else:
            if sys.flags.optimize >= 2:
                self.error('No help for %r; please do not run Python with -OO '
                           'if you need command help' % arg)
                return
            self.message(command.__doc__.rstrip())
def do_help ( self , arg ) : if not arg : return cmd . Cmd . do_help ( self , arg ) try : try : topic = getattr ( self , 'help_' + arg ) return topic ( ) except AttributeError : command = getattr ( self , 'do_' + arg ) except AttributeError : self . error ( 'No help for %r' % arg ) else : if sys . flags . optimize >= 2 : self . error ( 'No help for %r; please do not run Python with -OO ' 'if you need command help' % arg ) return self . message ( command . __doc__ . rstrip ( ) )