62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# @version : 1.0
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# @Create Time : 2021/11/27 18:37
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# @File : wx_access_token.py
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# @IDE : PyCharm
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# @desc : 获取小程序全局唯一后台接口调用凭据
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import requests
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from redis.asyncio import Redis
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from core.logger import logger
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class WxAccessToken:
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"""
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获取到的access_token存储在redis数据库中
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获取小程序全局唯一后台接口调用凭据（access_token）。调用绝大多数后台接口时都需使用 access_token，开发者需要进行妥善保存。
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官方文档：https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/access-token/auth.getAccessToken.html
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"""
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def __init__(self, appid: str, secret: str, redis: Redis, grant_type: str = "client_credential", *args, **kwargs):
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self.__url = "https://api.weixin.qq.com/cgi-bin/token"
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self.__method = "get"
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self.appidKey = f"{appid}_access_token"
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self.redis = redis
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self.params = {
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"appid": appid,
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"secret": secret,
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"grant_type": grant_type
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}
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async def get(self) -> dict:
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"""
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获取小程序access_token
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"""
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token = await self.redis.get(self.appidKey)
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if not token:
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return await self.update()
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return {"status": True, "token": token}
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async def update(self) -> dict:
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"""
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更新小程序access_token
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"""
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print("开始更新 access_token")
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method = getattr(requests, self.__method)
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response = method(url=self.__url, params=self.params)
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result = response.json()
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if result.get("errcode", "0") != "0":
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print("获取access_token失败", result)
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logger.error(f"获取access_token失败：{result}")
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return {"status": False, "token": None}
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print("成功获取到", result)
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await self.redis.set(self.appidKey, result.get("access_token"), ex=2000)
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logger.info(f"获取access_token成功：{result}")
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return {"status": True, "token": result.get("access_token")}
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