Method add_argument

Lib/argparse.py:280–295

(self, action)

            self._add_item(self._format_usage, args)

    def add_argument(self, action):
        if action.help is not SUPPRESS:

            # find all invocations
            get_invocation = lambda x: self._decolor(self._format_action_invocation(x))
            invocation_lengths = [len(get_invocation(action)) + self._current_indent]
            for subaction in self._iter_indented_subactions(action):
                invocation_lengths.append(len(get_invocation(subaction)) + self._current_indent)

            # update the maximum item length
            action_length = max(invocation_lengths)
            self._action_max_length = max(self._action_max_length,
                                          action_length)

            # add the item to the list
            self._add_item(self._format_action, [action])

    def add_arguments(self, actions):
        for action in actions: