import time
from lxml import etree
from appium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

PLATFROM = "Android"
DEVIE_NAME = "0815F8612D924005"
APP_PACKAGE = "com.tencent.mm"
APP_ACTIVITY = ".ui.LauncherUI"
DEIVER_SERVER = "http://localhost:4723/wd/hub"
TIMROUT = 15  # 单位秒

FLICK_START_X = 300
FLICK_START_Y = 300
FLICK_DISTANCE = 700


class WX(object):
    def __init__(self):
        """
        初始化操作
        """
        # 驱动配置操作
        self.desired_caps = {
            "platformName": PLATFROM,
            "deviceName": DEVIE_NAME,
            "appPackage": APP_PACKAGE,
            "appActivity": APP_ACTIVITY,
            "noReset": True,
            "chromeOptions": {
                "androidProcess": "com.tencent.mm:tools"
            },
            "chromedriverExecutable": "D:\\Program Files (x86)\\Appium\\node_modules\\appium\\node_modules\\appium-chromedriver\\chromedriver\\win\\chromedriver.exe",
            "recreateChromeDriverSessions": True  # 如果需要切换到H5页面 这一句就很重要

        }
        self.driver = webdriver.Remote(DEIVER_SERVER, self.desired_caps)
        self.wait = WebDriverWait(self.driver, TIMROUT)

    def enter(self, name):

        # 切换到联系人
        tab = self.wait.until(
            EC.presence_of_all_elements_located((By.XPATH, '//*[@resource-id="com.tencent.mm:id/po"]')))[0]
        tab.click()

        # 点击公众号
        tab = self.wait.until(
            EC.presence_of_all_elements_located((By.XPATH, """//*[@resource-id="com.tencent.mm:id/a2n"]""")))[0]
        tab.click()

        for i in range(50):

            # 因为只能点击当前页面的标签，所以需要循环向下滑动，找到需要点击的标签，在进行点击
            # 滑动查找需要爬取的公众号，并点击进入这个公众号
            tab_list = self.wait.until(
                EC.presence_of_all_elements_located((By.XPATH, """//*[@resource-id="com.tencent.mm:id/a6e"]""")))

            for tab in tab_list:
                name1 = tab.get_attribute("text")
                if name == name1:
                    tab.click()
                    # 点击右上角进历史页面

                    tab = self.wait.until(EC.presence_of_element_located(
                        (By.XPATH, """//*[@resource-id="com.tencent.mm:id/j1"]""")))
                    tab.click()

                    self.driver.swipe(FLICK_START_X, FLICK_START_Y + FLICK_DISTANCE, FLICK_START_X, FLICK_START_Y, 1000)
                    time.sleep(1)
                    self.driver.swipe(FLICK_START_X, FLICK_START_Y + FLICK_DISTANCE, FLICK_START_X, FLICK_START_Y, 1000)
                    tab = self.wait.until(EC.presence_of_element_located(
                        (By.XPATH, """//*[@resource-id="com.tencent.mm:id/avt"]""")))
                    tab.click()
                    return
            self.driver.swipe(FLICK_START_X, FLICK_START_Y + FLICK_DISTANCE, FLICK_START_X, FLICK_START_Y, 1000)
            time.sleep(1)
            # 点击右上角进入公众号的介绍页面

    def crawl(self, name):
        time.sleep(3)
        # 滑动结束以后，需要一段时间让手机反应
        self.driver.switch_to.context("WEBVIEW_com.tencent.mm:tools")  # 切换到H5页面
        print(self.driver.contexts)
        for link in self.driver.find_elements_by_xpath("//*[@href]"):
            print(link.get_attribute('href'))
            return link.get_attribute('href')
        self.driver.switch_to.context("NATIVE_APP")  # 切换回去 native 页面


if __name__ == '__main__':
    wx = WX()

    name_list = ["浙能俪都钱塘", "尖叫设计"]
    for name in name_list:
        wx.enter(name)
        wx.crawl(name)

先关注公众号浙能俪都钱塘、尖叫设计，运行代码，能进入公众号全部历史信息页面并滑动，之后停止运行，显示 timeout 错误，无法获取 H5 页面链接 print(link.get_attribute('href'))