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