ForcePilot/backend/package/yuxi/channels/adapters/wechat/wecom/client.py

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from __future__ import annotations
import asyncio
import time
from typing import Any
import httpx
from yuxi.channels.exceptions import ChannelAuthenticationError
from yuxi.utils.logging_config import logger
class WeComClient:
def __init__(self, http_client: httpx.AsyncClient, config: dict[str, Any]):
self._http_client = http_client
self._config = config
self._access_token: str | None = None
self._token_expires_at: float = 0.0
@property
def corp_id(self) -> str:
return self._config["corp_id"]
@property
def agent_id(self) -> str:
return self._config["agent_id"]
async def get_access_token(self) -> str:
now = time.time()
if self._access_token and now < self._token_expires_at - 300:
return self._access_token
for attempt in range(3):
try:
return await self._refresh_token()
except httpx.TimeoutException:
if attempt < 2:
await asyncio.sleep(2**attempt)
else:
raise ChannelAuthenticationError("Failed to refresh WeCom access_token after 3 attempts")
async def _refresh_token(self) -> str:
url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken"
params = {"corpid": self._config["corp_id"], "corpsecret": self._config["corp_secret"]}
resp = await self._http_client.get(url, params=params)
data = resp.json()
if "access_token" in data:
self._access_token = data["access_token"]
self._token_expires_at = time.time() + data.get("expires_in", 7200)
logger.debug(f"[WeCom] Token refreshed, expires in {data.get('expires_in')}s")
return self._access_token
raise ChannelAuthenticationError(f"Failed to get WeCom access_token: {data.get('errmsg', 'Unknown')}")
def invalidate_token(self) -> None:
self._access_token = None
self._token_expires_at = 0.0
async def upload_media(self, file_data: bytes, filename: str, media_type: str) -> str:
token = await self.get_access_token()
url = f"https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token={token}&type={media_type}"
files = {"media": (filename, file_data)}
resp = await self._http_client.post(url, files=files)
data = resp.json()
media_id = data.get("media_id")
if not media_id:
raise ChannelAuthenticationError(f"Failed to upload WeCom media: {data.get('errmsg', 'Unknown')}")
return media_id