Python argparse subparser invalid choice

Describes the cause and action for error messages.

Error Message(English):
argparse subparser invalid choice



argparse optional positional argument and subparsers arguments ...・・・

argparse not handling abbreviations in subparser properly・・・

How to avoid args confusion with argparse?

python argparse -- customizing error messages

Python argparse - commands not correctly parsed when using ...・・・

Issue 9253: argparse: optional subparsers - Python tracker

Issue 34479: ArgumentParser subparser error ...

Issue 22848: Subparser help does not respect ...

Issue 9571: argparse: Allow the use of -- to break ...

15.4. argparse ? Parser for command-line options, arguments and ...


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