概述

需要使用playwright在chrome中打开chrome://system/，然后点开插件按钮，查看所有的插件内容，过滤出需要的内容。

代码实现

  1. import logging.config
  2. import os
  3. import re
  4. import time
  6. from playwright.sync_api import sync_playwright
  8. logging.config.fileConfig("logger.ini")
  9. logger = logging.getLogger()
  11. configs = None
  13. # 这个是录屏插件的部分名称，用于模糊匹配的
  14. plugin_name = 'screen'
  15. # 用于保存录屏插件pid的文件名称
  16. plugin_pid_file = ''
  19. def getExtensionId(extensionName):
  20.     extensionName = extensionName.lower()
  22.     """
  23.     根据插件名称，获取自定义插件的id
  24.     :param extensionName:
  25.     :return:
  26.     """
  27.     if not os.path.exists(configs['ext_chrome_path']):
  28.         logger.warning('chrome not exist, please check. path:%s' % configs['ext_chrome_path'])
  29.         return
  31.     url = 'chrome://system/'
  33.     with sync_playwright() as playwright:
  34.         browser = playwright.chromium.launch_persistent_context(configs['chrome_user_data_dir'],
  35.                                                                 args=configs['chrome_parameters'],
  36.                                                                 headless=configs['record_headless'],
  37.                                                                 executable_path=configs['ext_chrome_path'],
  38.                                                                 ignore_default_args=['--enable-automation'])
  39.         print(f'start to load page,{time.time()}')
  40.         page = browser.new_page()
  41.         # 打开指定网址
  42.         page.goto(url)
  43.         # 等待按钮被渲染出来
  44.         page.wait_for_selector('id=extensions-value-btn')
  45.         # 点击按钮
  46.         page.click('id=extensions-value-btn')
  48.         # 等待div被显示出来
  49.         page.wait_for_selector('id=extensions-value')
  50.         # 获取div内部的文本值
  51.         text = page.inner_text('id=extensions-value')
  52.         print(f'total plugin info: {text}')
  54.         if text:
  55.             for line in text.splitlines():
  56.                 (pid, name, version) = re.split(r'\s:\s', line)
  57.                 if extensionName in name.lower():
  58.                     return (pid, name)
  61. def get_extension_pid(my_configs):
  62.     """
  63.     获取录屏插件的pid，作为chrome参数使用
  64.     :return:
  65.     """
  66.     global configs, plugin_pid_file
  67.     configs = my_configs
  68.     plugin_pid_file = configs['plugin_pid_file']
  70.     if not has_pid():
  71.         logger.info('screen plugin id not exist, need to generate')
  72.         generate_pid()
  73.         logger.info(f'success to generate screen plugin')
  74.     else:
  75.         logger.info('screen plugin pid exist, just return')
  77.     my_pid = ''
  78.     with open(plugin_pid_file, 'r') as f:
  79.         my_pid = f.readline()
  81.     logger.info(f'final return screen plugin id: {my_pid}')
  82.     return my_pid
  85. def has_pid():
  86.     """
  87.     判断当前是否存在录屏插件的pid，不存在的话，则需要生成
  88.     :return:
  89.     """
  90.     return os.path.exists(plugin_pid_file)
  93. def generate_pid():
  94.     logger.info('start to get custom plugin id')
  95.     (pid, pname) = getExtensionId(plugin_name)
  96.     logger.info(f'screen plugin id: {pid}')
  97.     logger.info(f'screen plugin name: {pname}')
  99.     with open(plugin_pid_file, 'w') as f:
  100.         f.write(pid)
  103. if __name__ == "__main__":
  104.     generate_pid()