📝 update docstring

docs/api/rule.md

@@ -215,7 +215,7 @@ Rule(async_function, run_sync(sync_function))
 from nonebot.rule import ArgumentParser
 
 parser = ArgumentParser()
-parser.add_argument("-a", type=bool)
+parser.add_argument("-a", action="store_true")
 
 rule = shell_command("ls", parser=parser)
 ```

nonebot/exception.py

@@ -53,6 +53,12 @@ class ParserExit(NoneBotException):
         self.status = status
         self.message = message
 
+    def __repr__(self):
+        return f"<ParserExit status={self.status} message={self.message}>"
+
+    def __str__(self):
+        return self.__repr__()
+
 
 class PausedException(NoneBotException):
     """

nonebot/rule.py

@@ -326,7 +326,7 @@ def shell_command(*cmds: Union[str, Tuple[str, ...]],
         from nonebot.rule import ArgumentParser
 
         parser = ArgumentParser()
-        parser.add_argument("-a", type=bool)
+        parser.add_argument("-a", action="store_true")
 
         rule = shell_command("ls", parser=parser)
 

tests/test_plugins/test_shell.py

@@ -4,7 +4,7 @@ from nonebot import on_shell_command
 from nonebot.rule import to_me, ArgumentParser
 
 parser = ArgumentParser()
-parser.add_argument("-a", type=bool)
+parser.add_argument("-a", action="store_true")
 
 shell = on_shell_command("ls", to_me(), parser=parser)