1. 自动观看视频

from builtins import print

import time
from selenium import webdriver
from selenium.webdriver.support.ui import WebDriverWait

# 打开网页
browser = webdriver.Chrome()
browser.get('http://xxx/')

# 手动登陆
for i in range(30):
    print('\r%d'%(30-i), end='', flush=True)
    time.sleep(1)
print()


# 切换到新的窗口
handles = browser.window_handles
browser.switch_to.window(handles[-1])


now = lambda: time.time()
start = now()
reverse = True

while True:
    # 视频列表
    # video_list =  browser.find_elements_by_class_name("f-ib w100 text-etc") # class复合属性不支持这么写
    # video_list = browser.find_elements_by_css_selector(".f-ib .w100 .text-etc")  # css中间也不能写空格的
    video_list = browser.find_elements_by_css_selector(".f-ib.w100.text-etc")  # css 支持找类class
    # 解决点击第一个a之后，页面出现刷新，再想点第二个就会报错
    video_num = len(video_list)

    if video_list:
        print('找到播放列表')
        for i in range(video_num):
            video_id = video_num-1-i if reverse else i
            video = browser.find_elements_by_css_selector(".f-ib.w100.text-etc")[video_id]
            #选择播放列表中的视频
            video.click()
            print('选择播放')

            # 视频播放按钮
            play_button = browser.find_element_by_css_selector(".vjs-big-play-button")
            # time.sleep(2)
            # play_button.click()
            is_visible = WebDriverWait(browser, 6).until(lambda driver: play_button.is_displayed())
            if is_visible:
                play_button.click()
                print('开始播放')

            # 等待视频结束按钮
            end_button = None
            # waite_50 = False
            start_time = now()

            while not end_button :
                try:
                    end_button = browser.find_element_by_css_selector(".btn.btn-primary:not(.btnSubmitQuestion)")
                except:
                    time.sleep(30)
                    print("视频没有结束，等待30s")
                    # 可能视频看完不会跳出弹框，50分钟后直接下一个视频
                    if int(now() - start_time) > 60*50:
                        break
                    else:
                        continue
                else:
                    print("视频结束，退出循环")
                    time.sleep(10)
                    # 点击结束弹框
                    end_button.click()

        #遍历完播放列表就退出
        break

    else:
        if int(now() - start) < 60:
            time.sleep(10)
        # 一分钟没有找到视频列表，直接退出
        break