⚗️ add got receive overload #142

nonebot/matcher.py

@@ -294,18 +294,27 @@ class Matcher(metaclass=MatcherMeta):
           * 无
         """
 
-        async def _receive(bot: "Bot", event: "Event",
-                           state: T_State) -> NoReturn:
+        async def _receive(bot: "Bot", event: "Event") -> NoReturn:
             raise PausedException
 
+        cls.process_handler(_receive)
+
         if cls.handlers:
             # 已有前置handlers则接受一条新的消息，否则视为接收初始消息
             cls.append_handler(_receive)
 
         def _decorator(func: T_Handler) -> T_Handler:
+            cls.process_handler(func)
             if not cls.handlers or cls.handlers[-1] is not func:
                 cls.append_handler(func)
 
+            _receive.__params__.update({
+                "bot":
+                    func.__params__["bot"],
+                "event":
+                    func.__params__["event"] or _receive.__params__["event"]
+            })
+
             return func
 
         return _decorator
@@ -368,6 +377,25 @@ class Matcher(metaclass=MatcherMeta):
 
                 cls.append_handler(wrapper)
 
+                wrapper.__params__.update({
+                    "bot":
+                        func.__params__["bot"],
+                    "event":
+                        func.__params__["event"] or wrapper.__params__["event"]
+                })
+                _key_getter.__params__.update({
+                    "bot":
+                        func.__params__["bot"],
+                    "event":
+                        func.__params__["event"] or wrapper.__params__["event"]
+                })
+                _key_parser.__params__.update({
+                    "bot":
+                        func.__params__["bot"],
+                    "event":
+                        func.__params__["event"] or wrapper.__params__["event"]
+                })
+
             return func
 
         return _decorator

tests/test_plugins/test_overload.py

@@ -0,0 +1,19 @@
+from nonebot import on_command
+from nonebot.adapters.cqhttp import Bot, PrivateMessageEvent, GroupMessageEvent
+
+overload = on_command("overload")
+
+
+@overload.handle()
+async def handle_first_receive(bot: Bot):
+    return
+
+
+@overload.got("message", prompt="群？")
+async def handle_group(bot: Bot, event: GroupMessageEvent):
+    return
+
+
+@overload.got("message", prompt="私？")
+async def handle_private(bot: Bot, event: PrivateMessageEvent):
+    return