✨ 适配新赛季 rank

nonebot_plugin_tetris_stats/utils/limit.py

@@ -0,0 +1,33 @@
+from asyncio import Lock, sleep
+from collections.abc import Callable, Coroutine
+from datetime import timedelta
+from functools import wraps
+from time import time
+from typing import Any, ParamSpec, TypeVar
+
+from nonebot.log import logger
+
+P = ParamSpec('P')
+T = TypeVar('T')
+
+
+def limit(limit: timedelta) -> Callable[[Callable[P, Coroutine[Any, Any, T]]], Callable[P, Coroutine[Any, Any, T]]]:
+    limit_seconds = limit.total_seconds()
+
+    def decorator(func: Callable[P, Coroutine[Any, Any, T]]) -> Callable[P, Coroutine[Any, Any, T]]:
+        last_call = 0.0
+        lock = Lock()
+
+        @wraps(func)
+        async def wrapper(*args: P.args, **kwargs: P.kwargs) -> T:
+            nonlocal last_call
+            async with lock:
+                if (diff := (time() - last_call)) < limit_seconds:
+                    logger.debug(f'request limit {(limit_time:=limit_seconds-diff)}s')
+                    await sleep(limit_time)
+            last_call = time()
+            return await func(*args, **kwargs)
+
+        return wrapper
+
+    return decorator