✨ Feature: 存储 matcher 发送 prompt 的结果 (#3155)

nonebot/internal/matcher/matcher.py

@@ -27,8 +27,10 @@ from exceptiongroup import BaseExceptionGroup, catch
 from nonebot.consts import (
     ARG_KEY,
     LAST_RECEIVE_KEY,
+    PAUSE_PROMPT_RESULT_KEY,
     RECEIVE_KEY,
     REJECT_CACHE_TARGET,
+    REJECT_PROMPT_RESULT_KEY,
     REJECT_TARGET,
 )
 from nonebot.dependencies import Dependent, Param
@@ -560,8 +562,8 @@ class Matcher(metaclass=MatcherMeta):
         """
         bot = current_bot.get()
         event = current_event.get()
-        state = current_matcher.get().state
         if isinstance(message, MessageTemplate):
+            state = current_matcher.get().state
             _message = message.format(**state)
         else:
             _message = message
@@ -597,8 +599,15 @@ class Matcher(metaclass=MatcherMeta):
             kwargs: {ref}`nonebot.adapters.Bot.send` 的参数，
                 请参考对应 adapter 的 bot 对象 api
         """
+        try:
+            matcher = current_matcher.get()
+        except Exception:
+            matcher = None
+
         if prompt is not None:
-            await cls.send(prompt, **kwargs)
+            result = await cls.send(prompt, **kwargs)
+            if matcher is not None:
+                matcher.state[PAUSE_PROMPT_RESULT_KEY] = result
         raise PausedException
 
     @classmethod
@@ -615,8 +624,19 @@ class Matcher(metaclass=MatcherMeta):
             kwargs: {ref}`nonebot.adapters.Bot.send` 的参数，
                 请参考对应 adapter 的 bot 对象 api
         """
+        try:
+            matcher = current_matcher.get()
+            key = matcher.get_target()
+        except Exception:
+            matcher = None
+            key = None
+
+        key = REJECT_PROMPT_RESULT_KEY.format(key=key) if key is not None else None
+
         if prompt is not None:
-            await cls.send(prompt, **kwargs)
+            result = await cls.send(prompt, **kwargs)
+            if key is not None and matcher:
+                matcher.state[key] = result
         raise RejectedException
 
     @classmethod
@@ -636,9 +656,12 @@ class Matcher(metaclass=MatcherMeta):
                 请参考对应 adapter 的 bot 对象 api
         """
         matcher = current_matcher.get()
-        matcher.set_target(ARG_KEY.format(key=key))
+        arg_key = ARG_KEY.format(key=key)
+        matcher.set_target(arg_key)
+
         if prompt is not None:
-            await cls.send(prompt, **kwargs)
+            result = await cls.send(prompt, **kwargs)
+            matcher.state[REJECT_PROMPT_RESULT_KEY.format(key=arg_key)] = result
         raise RejectedException
 
     @classmethod
@@ -658,9 +681,12 @@ class Matcher(metaclass=MatcherMeta):
                 请参考对应 adapter 的 bot 对象 api
         """
         matcher = current_matcher.get()
-        matcher.set_target(RECEIVE_KEY.format(id=id))
+        receive_key = RECEIVE_KEY.format(id=id)
+        matcher.set_target(receive_key)
+
         if prompt is not None:
-            await cls.send(prompt, **kwargs)
+            result = await cls.send(prompt, **kwargs)
+            matcher.state[REJECT_PROMPT_RESULT_KEY.format(key=receive_key)] = result
         raise RejectedException
 
     @classmethod

nonebot/internal/params.py

@@ -18,6 +18,7 @@ from exceptiongroup import BaseExceptionGroup, catch
 from pydantic.fields import FieldInfo as PydanticFieldInfo
 
 from nonebot.compat import FieldInfo, ModelField, PydanticUndefined, extract_field_info
+from nonebot.consts import ARG_KEY, REJECT_PROMPT_RESULT_KEY
 from nonebot.dependencies import Dependent, Param
 from nonebot.dependencies.utils import check_field_type
 from nonebot.exception import SkippedException
@@ -39,7 +40,7 @@ from nonebot.utils import (
 )
 
 if TYPE_CHECKING:
-    from nonebot.adapters import Bot, Event
+    from nonebot.adapters import Bot, Event, Message
     from nonebot.matcher import Matcher
 
 
@@ -522,10 +523,10 @@ class MatcherParam(Param):
 
 class ArgInner:
     def __init__(
-        self, key: Optional[str], type: Literal["message", "str", "plaintext"]
+        self, key: Optional[str], type: Literal["message", "str", "plaintext", "prompt"]
     ) -> None:
         self.key: Optional[str] = key
-        self.type: Literal["message", "str", "plaintext"] = type
+        self.type: Literal["message", "str", "plaintext", "prompt"] = type
 
     def __repr__(self) -> str:
         return f"ArgInner(key={self.key!r}, type={self.type!r})"
@@ -546,6 +547,11 @@ def ArgPlainText(key: Optional[str] = None) -> str:
     return ArgInner(key, "plaintext")  # type: ignore
 
 
+def ArgPromptResult(key: Optional[str] = None) -> Any:
+    """`arg` prompt 发送结果"""
+    return ArgInner(key, "prompt")
+
+
 class ArgParam(Param):
     """Arg 注入参数
 
@@ -559,7 +565,7 @@ class ArgParam(Param):
         self,
         *args,
         key: str,
-        type: Literal["message", "str", "plaintext"],
+        type: Literal["message", "str", "plaintext", "prompt"],
         **kwargs: Any,
     ) -> None:
         super().__init__(*args, **kwargs)
@@ -584,15 +590,32 @@ class ArgParam(Param):
     async def _solve(  # pyright: ignore[reportIncompatibleMethodOverride]
         self, matcher: "Matcher", **kwargs: Any
     ) -> Any:
-        message = matcher.get_arg(self.key)
-        if message is None:
-            return message
         if self.type == "message":
-            return message
+            return self._solve_message(matcher)
         elif self.type == "str":
-            return str(message)
+            return self._solve_str(matcher)
+        elif self.type == "plaintext":
+            return self._solve_plaintext(matcher)
+        elif self.type == "prompt":
+            return self._solve_prompt(matcher)
         else:
-            return message.extract_plain_text()
+            raise ValueError(f"Unknown Arg type: {self.type}")
+
+    def _solve_message(self, matcher: "Matcher") -> Optional["Message"]:
+        return matcher.get_arg(self.key)
+
+    def _solve_str(self, matcher: "Matcher") -> Optional[str]:
+        message = matcher.get_arg(self.key)
+        return str(message) if message is not None else None
+
+    def _solve_plaintext(self, matcher: "Matcher") -> Optional[str]:
+        message = matcher.get_arg(self.key)
+        return message.extract_plain_text() if message is not None else None
+
+    def _solve_prompt(self, matcher: "Matcher") -> Optional[Any]:
+        return matcher.state.get(
+            REJECT_PROMPT_RESULT_KEY.format(key=ARG_KEY.format(key=self.key))
+        )
 
 
 class ExceptionParam(Param):