Python爬虫系列之微信小程序云函数、sessionid、小程序code、支付算法

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直接上代码

wxSpider.py

# -*- coding:utf-8 -*-
import requests
import time
import json
import matplotlib.pyplot as plt
import base64
import skimage.iohost = "http://***.***.**.**"
port = "1029"
retry = 3
timeout = 30def getHtml(url):for i in range(retry):try:resp = requests.get(url, timeout=timeout)return resp.json()except Exception as e:passdef postHtml(url, data):for i in range(retry):try:resp = requests.post(url, data=json.dumps(data), headers={"content-type": "application/json"}, timeout=timeout)return resp.json()except Exception as e:passdef gethwnd(accountId):'''检测登录窗口句柄状态loginhwnd=登陆窗口句柄  或  mainhwnd=主窗口句柄  登陆句柄>0说明处于未登陆状态或者是首次登陆正在初始化， 主句柄>0说明登陆成功，初始化完毕，可以调用其他功能了:param accountId::return:'''url = host + ":" + port + "/api/Gethwnd"data = {"accountId": accountId}for i in range(retry):res = postHtml(url, data)try:keys = list(res.keys())if "loginhwnd" in keys and "mainhwnd" in keys:return True, resexcept Exception as e:passtime.sleep(15)return False, Nonedef openWeChat():'''启动微信:return:'''url = host + ":" + port + "/api/OpenWeChat"res = getHtml(url)try:return res['accountId']except Exception as e:passdef showQrcode(base64_str, accountId):'''显示登录二维码:param base64_str::param accountId::return:'''if isinstance(base64_str, bytes):base64_str = base64_str.decode("utf-8")imgdata = base64.b64decode(base64_str)img = skimage.io.imread(imgdata, plugin='imageio')plt.imshow(img)plt.ion()startTs = int(time.time())loginStatus = Falsewhile True:try:plt.pause(2)except Exception as e:passstatus, loginMap = gethwnd(accountId)if status and int(loginMap['mainhwnd']) > 0:loginStatus = Truebreakelse:print("请扫描登录二维码！")time.sleep(2)if int(time.time()) - startTs >= 180:breaktry:plt.close()except Exception as e:passreturn loginStatusdef getLoginQrcode(accountId):'''获取登录二维码:param accountId::return:'''url = host + ":" + port + "/api/GetLoginQrCode"data = {"accountId": int(accountId)}for i in range(retry):try:res = postHtml(url, data)print(res)return res['QrImgDataBase64']except Exception as e:passdef getJsCode(accountId, appid):'''获取小程序code:param accountId::param appid: 目标小程序appid:return:'''url = host + ":" + port + "/api/JsLogin"data = {"accountId": accountId, "appid": appid}for i in range(retry):try:res = postHtml(url, data)print(res)returnexcept Exception as e:passdef main():'''整体流程:return:'''appid = "wxa9795213dd51a4b1"accountId = openWeChat()print("本次测试的accountId为：" + str(accountId) + " 如若需要测试，请复制该值或缓存该值直接进行测试，避免二次登录浪费资源！")status, loginMap = gethwnd(accountId)if status:qrImgDataBase64 = getLoginQrcode(accountId)loginStatus = showQrcode(qrImgDataBase64, accountId)if loginStatus:print("登录成功！")getJsCode(accountId, appid)else:print("登录超时！")if __name__ == '__main__':'''微信windows pc协议'''# 整体流程测试main()# 单次流程测试# 这个值为整体流程登录成功后获取到的，注释main方法的调用流程，单独测试以下流程！！！exit(0)accountId = 1280appid = "wxa9795213dd51a4b1"getJsCode(accountId, appid)

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