diff options
| -rw-r--r-- | lib/spack/external/argparse.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/spack/external/argparse.py b/lib/spack/external/argparse.py index 42b64ee7be..394e5da152 100644 --- a/lib/spack/external/argparse.py +++ b/lib/spack/external/argparse.py @@ -1708,6 +1708,21 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer): self._positionals._add_action(action) return action + + def get_subparser(self, name): + """Gets a subparser added with the supplied name. + This is an extension to the standard argparse API. + """ + subpasrsers_actions = [ + action for action in self._actions + if isinstance(action, _SubParsersAction)] + for action in subpasrsers_actions: + for choice, subparser in action.choices.items(): + if choice == name: + return subparser + return None + + def _get_optional_actions(self): return [action for action in self._actions |