playwright--自动化(一):快速上手
Playwright为现代 Web 应用程序提供可靠的端到端测试。
在JavaScript 和 TypeScript、Python、.NET和Java 中都可以使用 Playwright 本人选择python
快速上手
安装
pip install --upgrade pip
pip install playwright
playwright install
playwright 这个用来安装适用的浏览器二进制文件如:Chromium、Firefox 和 WebKit 如果不想下载谷歌开发版 可以使用自己的谷歌浏览器 其他浏览器只能用特等的开发版
playwright 默认安装位置
windows: %USERPROFILE%\AppData\Local\ms-playwright
macos: ~/Library/Caches/ms-playwright
linux: ~/.cache/ms-playwright
详细请查看:https://playwright.dev/python/docs/browsers/#installing-browsers
用法
playwright 同步
from playwright.sync_api import sync_playwright with sync_playwright() as p: browser = p.chromium.launch(headless=False,slow_mo=50) page = browser.new_page() page.goto("https://www.baidu.com") print(page.title()) browser.close()
headless=False 不使用无头浏览模式, slow_mo=50 执行速度 playwright 异步
playwright 异步
import asyncio from playwright.async_api import async_playwright async def main(): async with async_playwright() as p: browser = await p.chromium.launch() page = await browser.new_page() await page.goto("http://playwright.dev") print(await page.title()) await browser.close() asyncio.run(main())