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✨ add argparse help message

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This commit is contained in:
yanyongyu
2021-03-25 18:22:56 +08:00
parent 534b51bc73
commit b861149e0b
4 changed files with 20 additions and 17 deletions
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8
nonebot/rule.py
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@ -287,7 +287,11 @@ class ArgumentParser(ArgParser):
"""
def _print_message(self, message, file=None):
pass
old_message: str = getattr(self, "message", "")
if old_message:
old_message += "\n"
old_message += message
setattr(self, "message", old_message)
def exit(self, status=0, message=None):
raise ParserExit(status=status, message=message)
@ -365,7 +369,7 @@ def shell_command(*cmds: Union[str, Tuple[str, ...]],
args = parser.parse_args(state["argv"])
state["args"] = args
except ParserExit as e:
state["args"] = e
state["args"] = getattr(parser, "message", None) or e
return True
else:
return False