ForcePilot/backend/package/yuxi/channels/adapters/wechat/rate_limiter.py
Kris 05abecc02b feat(wechat): 新增完整微信渠道适配器实现
该提交实现了支持企业微信、微信公众号、个人微信桥接三种模式的完整微信渠道适配器,包含以下核心模块:
1. 基础认证与配置相关:auth_adapter、config_reload、setup_contract等
2. 消息处理与格式转换:format、attachment_adapter、outbound_adapter等
3. 多模式客户端支持:wecom/mp子模块,包含加解密、消息收发能力
4. 辅助能力:限速器、防抖、会话绑定、事件映射、模板渲染等
5. 扩展能力:二维码登录、消息读取、特权用户、心跳监控等

实现了完整的微信生态对接能力,支持消息收发、事件处理、API调用限流、配置热重载等功能。
2026-05-12 00:51:04 +08:00

56 lines
1.4 KiB
Python

from __future__ import annotations
import asyncio
import time
class TokenBucketRateLimiter:
def __init__(self, rate: int, per: float = 60.0):
self._rate = rate
self._per = per
self._tokens = float(rate)
self._last_refill = time.monotonic()
self._lock = asyncio.Lock()
async def acquire(self) -> bool:
async with self._lock:
return self._try_acquire()
def acquire_sync(self) -> bool:
tokens_before = self._tokens
self._try_acquire_sync()
return self._tokens < tokens_before
def _try_acquire(self) -> bool:
now = time.monotonic()
elapsed = now - self._last_refill
self._tokens = min(self._rate, self._tokens + elapsed * (self._rate / self._per))
self._last_refill = now
if self._tokens >= 1.0:
self._tokens -= 1.0
return True
return False
def _try_acquire_sync(self) -> None:
now = time.monotonic()
elapsed = now - self._last_refill
self._tokens = min(self._rate, self._tokens + elapsed * (self._rate / self._per))
self._last_refill = now
if self._tokens >= 1.0:
self._tokens -= 1.0
@property
def available_tokens(self) -> float:
return self._tokens
@property
def rate(self) -> int:
return self._rate
@property
def period(self) -> float:
return self._per