zhang_crawl_bio/mytest/playwright_run_path.py

import asyncio
from playwright.async_api import async_playwright, Playwright
from pathlib import Path
from playwright.async_api import Playwright, Error as PlaywrightError

async def run(playwright: Playwright):
    chromium = playwright.chromium # or "firefox" or "webkit".
    chrome_exe = Path(r"C:\Program Files\Google\Chrome\Application\chrome.exe")
    print(f"chrome_exe.exists() {chrome_exe.exists()}")
    browser = await chromium.launch(
        executable_path=chrome_exe,
        headless=False
        )
    print(f"executable_path: {chromium.executable_path}")
    page = await browser.new_page()
    await page.goto("http://example.com")
    body = await page.inner_html("body")
    print(body)
    # other actions...
    # await browser.close()
async def connect(playwright: Playwright, port=9321, host='localhost'):
    retry = 0
    while retry < 5:
        try:
            browser = await playwright.chromium.connect_over_cdp(f"http://{host}:{port}")
        # 捕获这个失败 playwright._impl._errors.Error: BrowserType.connect_over_cdp: connect ECONNREFUSED ::1:932
        except PlaywrightError as e:
            # 捕获 Playwright 的异常
            print(f"Caught a Playwright error: {e}")
            print("connect_over_cdp error")
            asyncio.sleep(0.5)
            retry += 1
            return
    context = await browser.new_context()
    page = await context.new_page()
    await page.goto("https://cn.bing.com/")
    print(await page.title())
    print(await page.inner_html())

async def main():
    async with async_playwright() as playwright:
        await connect(playwright)
asyncio.run(main())