🐛 Fix: shell command 包含富文本时报错信息出错 (#1923)

nonebot/rule.py

@@ -11,6 +11,7 @@ FrontMatter:
 import re
 import shlex
 from argparse import Action
+from gettext import gettext
 from argparse import ArgumentError
 from contextvars import ContextVar
 from itertools import chain, product
@@ -450,16 +451,39 @@ class ArgumentParser(ArgParser):
     if TYPE_CHECKING:
 
         @overload
-        def parse_args(
-            self, args: Optional[Sequence[Union[str, MessageSegment]]] = ...
-        ) -> Namespace:
+        def parse_known_args(
+            self,
+            args: Optional[Sequence[Union[str, MessageSegment]]] = None,
+            namespace: None = None,
+        ) -> Tuple[Namespace, List[Union[str, MessageSegment]]]:
+            ...
+
+        @overload
+        def parse_known_args(
+            self, args: Optional[Sequence[Union[str, MessageSegment]]], namespace: T
+        ) -> Tuple[T, List[Union[str, MessageSegment]]]:
+            ...
+
+        @overload
+        def parse_known_args(
+            self, *, namespace: T
+        ) -> Tuple[T, List[Union[str, MessageSegment]]]:
+            ...
+
+        def parse_known_args(
+            self,
+            args: Optional[Sequence[Union[str, MessageSegment]]] = None,
+            namespace: Optional[T] = None,
+        ) -> Tuple[Union[Namespace, T], List[Union[str, MessageSegment]]]:
             ...
 
     @overload
     def parse_args(
-            self, args: Optional[Sequence[Union[str, MessageSegment]]], namespace: None
+        self,
+        args: Optional[Sequence[Union[str, MessageSegment]]] = None,
+        namespace: None = None,
     ) -> Namespace:
-            ...  # type: ignore[misc]
+        ...
 
     @overload
     def parse_args(
@@ -467,12 +491,20 @@ class ArgumentParser(ArgParser):
     ) -> T:
         ...
 
+    @overload
+    def parse_args(self, *, namespace: T) -> T:
+        ...
+
     def parse_args(
         self,
         args: Optional[Sequence[Union[str, MessageSegment]]] = None,
         namespace: Optional[T] = None,
     ) -> Union[Namespace, T]:
-            ...
+        result, argv = self.parse_known_args(args, namespace)
+        if argv:
+            msg = gettext("unrecognized arguments: %s")
+            self.error(msg % " ".join(map(str, argv)))
+        return cast(Union[Namespace, T], result)
 
     def _parse_optional(
         self, arg_string: Union[str, MessageSegment]

tests/test_rule.py

@@ -371,6 +371,19 @@ async def test_shell_command():
     assert state[SHELL_ARGS].status != 0
     assert state[SHELL_ARGS].message.startswith(parser.format_usage() + "test: error:")
 
+    test_parser_remain_args = shell_command(CMD, parser=parser)
+    dependent = list(test_parser_remain_args.checkers)[0]
+    checker = dependent.call
+    assert isinstance(checker, ShellCommandRule)
+    message = MessageSegment.text("-a 1 2") + MessageSegment.image("test")
+    event = make_fake_event(_message=message)()
+    state = {PREFIX_KEY: {CMD_KEY: CMD, CMD_ARG_KEY: message}}
+    assert await dependent(event=event, state=state)
+    assert state[SHELL_ARGV] == ["-a", "1", "2", MessageSegment.image("test")]
+    assert isinstance(state[SHELL_ARGS], ParserExit)
+    assert state[SHELL_ARGS].status != 0
+    assert state[SHELL_ARGS].message.startswith(parser.format_usage() + "test: error:")
+
     test_message_parser = shell_command(CMD, parser=parser)
     dependent = list(test_message_parser.checkers)[0]
     checker = dependent.call