🐛 fix: add Lifespan._on_ready() for forward adapter startup

fix #2475

nonebot/drivers/fastapi.py

@@ -34,8 +34,6 @@
 from nonebot.drivers import WebSocket as BaseWebSocket
 from nonebot.drivers import HTTPServerSetup, WebSocketServerSetup
 
-from ._lifespan import LIFESPAN_FUNC, Lifespan
-
 try:
  import uvicorn
  from fastapi.responses import Response
@@ -97,8 +95,6 @@ def __init__(self, env: Env, config: NoneBotConfig):
 
  self.fastapi_config: Config = Config(**config.dict())
 
- self._lifespan = Lifespan()
-
  self._server_app = FastAPI(
  lifespan=self._lifespan_manager,
  openapi_url=self.fastapi_config.fastapi_openapi_url,
@@ -155,14 +151,6 @@ async def _handle(websocket: WebSocket) -> None:
  name=setup.name,
  )
 
- @override
- def on_startup(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
- return self._lifespan.on_startup(func)
-
- @override
- def on_shutdown(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
- return self._lifespan.on_shutdown(func)
-
  @contextlib.asynccontextmanager
  async def _lifespan_manager(self, app: FastAPI):
  await self._lifespan.startup()

nonebot/drivers/none.py

@@ -19,8 +19,6 @@
 from nonebot.config import Env, Config
 from nonebot.drivers import Driver as BaseDriver
 
-from ._lifespan import LIFESPAN_FUNC, Lifespan
-
 HANDLED_SIGNALS = (
  signal.SIGINT, # Unix signal 2. Sent by Ctrl+C.
  signal.SIGTERM, # Unix signal 15. Sent by `kill <pid>`.
@@ -35,8 +33,6 @@ class Driver(BaseDriver):
  def __init__(self, env: Env, config: Config):
  super().__init__(env, config)
 
- self._lifespan = Lifespan()
-
  self.should_exit: asyncio.Event = asyncio.Event()
  self.force_exit: bool = False
 
@@ -52,16 +48,6 @@ def logger(self):
  """none driver 使用的 logger"""
  return logger
 
- @override
- def on_startup(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
- """注册一个启动时执行的函数"""
- return self._lifespan.on_startup(func)
-
- @override
- def on_shutdown(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
- """注册一个停止时执行的函数"""
- return self._lifespan.on_shutdown(func)
-
  @override
  def run(self, *args, **kwargs):
  """启动 none driver"""

nonebot/drivers/quart.py

@@ -18,18 +18,7 @@
 import asyncio
 from functools import wraps
 from typing_extensions import override
-from typing import (
- Any,
- Dict,
- List,
- Tuple,
- Union,
- TypeVar,
- Callable,
- Optional,
- Coroutine,
- cast,
-)
+from typing import Any, Dict, List, Tuple, Union, Optional, cast
 
 from pydantic import BaseSettings
 
@@ -57,8 +46,6 @@
  "Install with pip: `pip install nonebot2[quart]`"
  ) from e
 
-_AsyncCallable = TypeVar("_AsyncCallable", bound=Callable[..., Coroutine])
-
 
 def catch_closed(func):
  @wraps(func)
@@ -102,6 +89,8 @@ def __init__(self, env: Env, config: NoneBotConfig):
  self._server_app = Quart(
  self.__class__.__qualname__, **self.quart_config.quart_extra
  )
+ self._server_app.before_serving(self._lifespan.startup)
+ self._server_app.after_serving(self._lifespan.shutdown)
 
  @property
  @override
@@ -150,16 +139,6 @@ async def _handle() -> None:
  view_func=_handle,
  )
 
- @override
- def on_startup(self, func: _AsyncCallable) -> _AsyncCallable:
- """参考文档: [`Startup and Shutdown`](https://pgjones.gitlab.io/quart/how_to_guides/startup_shutdown.html)"""
- return self.server_app.before_serving(func) # type: ignore
-
- @override
- def on_shutdown(self, func: _AsyncCallable) -> _AsyncCallable:
- """参考文档: [`Startup and Shutdown`](https://pgjones.gitlab.io/quart/how_to_guides/startup_shutdown.html)"""
- return self.server_app.after_serving(func) # type: ignore
-
  @override
  def run(
  self,

nonebot/drivers/_lifespan.py → nonebot/internal/driver/_lifespan.py

@@ -11,6 +11,7 @@
 class Lifespan:
  def __init__(self) -> None:
  self._startup_funcs: List[LIFESPAN_FUNC] = []
+ self._ready_funcs: List[LIFESPAN_FUNC] = []
  self._shutdown_funcs: List[LIFESPAN_FUNC] = []
 
  def on_startup(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
@@ -21,6 +22,10 @@
  self._shutdown_funcs.append(func)
  return func
 
+ def _on_ready(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
+ self._ready_funcs.append(func)
+ return func
+
  @staticmethod
  async def _run_lifespan_func(
  funcs: List[LIFESPAN_FUNC],
@@ -35,6 +40,8 @@
  if self._startup_funcs:
  await self._run_lifespan_func(self._startup_funcs)
 
+ await self._run_lifespan_func(self._ready_funcs)
+
  async def shutdown(self) -> None:
  if self._shutdown_funcs:
  await self._run_lifespan_func(self._shutdown_funcs)

nonebot/internal/driver/abstract.py

@@ -2,7 +2,7 @@
 import asyncio
 from typing_extensions import TypeAlias
 from contextlib import AsyncExitStack, asynccontextmanager
-from typing import TYPE_CHECKING, Any, Set, Dict, Type, Callable, AsyncGenerator
+from typing import TYPE_CHECKING, Any, Set, Dict, Type, AsyncGenerator
 
 from nonebot.log import logger
 from nonebot.config import Env, Config
@@ -16,6 +16,7 @@
  T_BotDisconnectionHook,
 )
 
+from ._lifespan import LIFESPAN_FUNC, Lifespan
 from .model import Request, Response, WebSocket, HTTPServerSetup, WebSocketServerSetup
 
 if TYPE_CHECKING:
@@ -49,6 +50,7 @@
  """全局配置对象"""
  self._bots: Dict[str, "Bot"] = {}
  self._bot_tasks: Set[asyncio.Task] = set()
+ self._lifespan = Lifespan()
 
  def __repr__(self) -> str:
  return (
@@ -100,15 +102,13 @@
 
  self.on_shutdown(self._cleanup)
 
- @abc.abstractmethod
- def on_startup(self, func: Callable) -> Callable:
- """注册一个在驱动器启动时执行的函数"""
- raise NotImplementedError
+ def on_startup(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
+ """注册一个启动时执行的函数"""
+ return self._lifespan.on_startup(func)
 
- @abc.abstractmethod
- def on_shutdown(self, func: Callable) -> Callable:
- """注册一个在驱动器停止时执行的函数"""
- raise NotImplementedError
+ def on_shutdown(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
+ """注册一个停止时执行的函数"""
+ return self._lifespan.on_shutdown(func)
 
  @classmethod
  def on_bot_connect(cls, func: T_BotConnectionHook) -> T_BotConnectionHook:

tests/test_driver.py

@@ -9,7 +9,7 @@
 from nonebot.params import Depends
 from nonebot.dependencies import Dependent
 from nonebot.exception import WebSocketClosed
-from nonebot.drivers._lifespan import Lifespan
+from nonebot.internal.driver._lifespan import Lifespan
 from nonebot.drivers import (
  URL,
  Driver,