fix: bot.tasks memory leak

botx/bots/bots.py

@@ -2,7 +2,8 @@
 
 import asyncio
 from dataclasses import InitVar, field
-from typing import Any, Callable, Dict, List, Set
+from typing import Any, Callable, Dict, List
+from weakref import WeakSet
 
 from loguru import logger
 from pydantic.dataclasses import dataclass
@@ -49,7 +50,7 @@ class Bot(  # noqa: WPS215
         default_factory=dict,
     )
 
-    tasks: Set[asyncio.Future] = field(init=False, default_factory=set)
+    tasks: WeakSet = field(init=False, default_factory=WeakSet)
 
     async def __call__(self, message: Message) -> None:
         """Iterate through collector, find handler and execute it, running middlewares.

botx/bots/mixins/lifespan.py

@@ -1,7 +1,8 @@
 """Lifespan mixin for bot."""
 
 import asyncio
-from typing import List, Set
+from typing import List
+from weakref import WeakSet
 
 from botx.concurrency import callable_to_coroutine
 from botx.typing import BotLifespanEvent
@@ -16,7 +17,7 @@ class LifespanMixin:
     """Lifespan events mixin for bot."""
 
     #: currently running tasks.
-    tasks: Set[asyncio.Future]
+    tasks: WeakSet
 
     #: startup events.
     startup_events: List[BotLifespanEvent]

docs/changelog.md

@@ -1,3 +1,10 @@
+## 0.23.1 (Aug 30, 2021)
+
+### Fixed
+
+* Memory leak in bot.tasks collection.
+
+
 ## 0.23.0 (Aug 23, 2021)
 
 ### Added

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "botx"
-version = "0.23.0"
+version = "0.23.1"
 description = "A little python framework for building bots for eXpress"
 license = "MIT"
 authors = [