# 同步模式示例  browser = chromium.launch()  context = browser.new_context()  # 关键配置：记录截图、DOM 快照、源码  context.tracing.start(screenshots=True, snapshots=True, sources=True)  page.goto("https://example.com")  # ...执行测试操作...  context.tracing.stop(path="trace.zip")  # 保存追踪文件  

playwright show-trace trace.zip

import requests  from playwright.sync_api import Page  
class LocatorHealer:    def __init__(self, page: Page):        self.page = page  
    def generate_ai_locators(self, failed_selector: str) -> list:        """调用 DeepSeek 生成候选定位器"""        prompt = f"""          生成3个替代定位器，要求：          1. 替代失效选择器：{failed_selector}          2. 基于当前页面片段：{self.page.content()[:2000]}          输出格式：["css=button.new-selector", "text=Submit"]          """        response = requests.post(              "https://api.deepseek.com/v1/chat/completions",              headers={"Authorization": "Bearer YOUR_API_KEY"},              json={"model": "deepseek-coder", "messages": [{"role": "user", "content": prompt}]}          )          return eval(response.json()["choices"][0]["message"]["content"])  
    def heal_and_update(self, test_file_path: str, old_selector: str):        candidates = self.generate_ai_locators(old_selector)          for new_selector in candidates:              try:                  self.page.wait_for_selector(new_selector, timeout=3000)                  # 验证通过后更新脚本文件                  with open(test_file_path, "r") as f:                      content = f.read().replace(old_selector, new_selector)                  with open(test_file_path, "w") as f:                      f.write(content)                  returnTrue            except:                  continue        returnFalse  

# AI 生成的修复代码  frame = page.frame_locator("iframe.login")  frame.locator("text=Login").click()  # 在 iframe 内操作  

page.locator("div#shadow-host >> .inner-button").click()