ForcePilot/backend/package/yuxi/channel/extensions/irc/dedupe.py
Kris 061cc7076b feat(channel): 添加 IRC 渠道扩展插件
新增 IRC 渠道的完整扩展实现,包括客户端连接管理、消息收发与流式处理、安全策略与配对验证、消息去重与规范化、状态监控与健康探测、配置模型与账户管理、错误处理等模块。
2026-05-21 10:59:12 +08:00

38 lines
1.1 KiB
Python

from __future__ import annotations
import time
from collections import OrderedDict
class IrcDedupeCache:
def __init__(self, maxsize: int = 5000, ttl_seconds: int = 300):
self._maxsize = maxsize
self._ttl = ttl_seconds
self._cache: OrderedDict[str, float] = OrderedDict()
def __contains__(self, key: str) -> bool:
now = time.monotonic()
if key in self._cache:
if now - self._cache[key] < self._ttl:
self._cache.move_to_end(key)
return True
del self._cache[key]
return False
def add(self, key: str) -> None:
now = time.monotonic()
self._evict_expired(now)
self._cache[key] = now
self._cache.move_to_end(key)
if len(self._cache) > self._maxsize:
self._cache.popitem(last=False)
def _evict_expired(self, now: float) -> None:
expired = [k for k, ts in self._cache.items() if now - ts >= self._ttl]
for k in expired:
del self._cache[k]
def __len__(self) -> int:
return len(self._cache)