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