_commands.py 文件源码

def _get_subparsers(self):
    """Recursively get subparsers."""

    subparsers = []
    for action in self._actions:
      if isinstance(action, argparse._SubParsersAction):
        for _, subparser in action.choices.items():
          subparsers.append(subparser)

    ret = subparsers
    for sp in subparsers:
      ret += sp._get_subparsers()
    return ret