Kris
1f78c44b03
这是一个批量整理提交，包含以下主要改动： 1. 删除多处冗余的空行和未使用的导入 2. 修复文件末尾缺少换行符的问题 3. 调整部分模块的导入顺序与代码排版 4. 修复部分配置默认值与策略逻辑 5. 新增多个功能模块与辅助工具 6. 完善异常处理与日志记录 7. 修复速率限制、消息缓存、权限校验等逻辑bug 8. 废弃部分旧有API与配置项并添加警告提示
54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
from __future__ import annotations
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import asyncio
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import time
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from collections import OrderedDict
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DEFAULT_CACHE_TTL_S = 3600.0
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DEFAULT_MAX_ENTRIES = 2048
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class SentMessageCache:
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def __init__(self, max_entries: int = DEFAULT_MAX_ENTRIES, ttl_s: float = DEFAULT_CACHE_TTL_S):
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self._cache: OrderedDict[str, tuple[str, float]] = OrderedDict()
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self._max_entries = max_entries
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self._ttl = ttl_s
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self._lock = asyncio.Lock()
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async def put(self, key: str, thread_ts: str) -> None:
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async with self._lock:
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self._evict_expired_locked()
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if key in self._cache:
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self._cache.move_to_end(key)
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elif len(self._cache) >= self._max_entries:
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self._cache.popitem(last=False)
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self._cache[key] = (thread_ts, time.monotonic())
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async def get(self, key: str) -> str | None:
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async with self._lock:
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self._evict_expired_locked()
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entry = self._cache.get(key)
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if entry is None:
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return None
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ts, stored_at = entry
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if time.monotonic() - stored_at > self._ttl:
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self._cache.pop(key, None)
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return None
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self._cache.move_to_end(key)
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return ts
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async def clear(self) -> None:
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async with self._lock:
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self._cache.clear()
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def _evict_expired_locked(self) -> None:
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now = time.monotonic()
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expired = [k for k, (_, t) in self._cache.items() if now - t > self._ttl]
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for k in expired:
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self._cache.pop(k, None)
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async def size(self) -> int:
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async with self._lock:
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self._evict_expired_locked()
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return len(self._cache)
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