How to use connect_over_cdp method in Playwright Python

Best Python code snippet using playwright-python

playwrightmanager.py

Source:playwrightmanager.py Github

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...42 if self.enable_playwright_debug:43 os.environ["DEBUG"] = "pw:api"44 os.environ["PLAYWRIGHT_BROWSERS_PATH"] = "0"45 self._playwright_process = PlaywrightContextManager().start()46 def connect_over_cdp(47 self,48 endpoint_url: str,49 *,50 headers: typing.Dict[str, str] = None,51 slow_mo: float = None,52 timeout: float = None53 ):54 """此方法使用 Chrome DevTools 协议将 Playwright 附加到现有浏览器实例。55 注意，只有基于 Chromium 的浏览器才支持通过 Chrome DevTools 协议进行连接。56 :param endpoint_url: 要连接到的 CDP websocket 端点或 http url。57 例如 http:/​/​localhost:9222/​ 或 ws:/​/​127.0.0.1:9222/​devtools/​browser/​387adf4c-243f-4051-a181-46798f4a46f4。58 :param headers: 与连接请求一起发送的附加 HTTP 标头。 可选的。59 :param slow_mo: 将 Playwright 操作减慢指定的毫秒数。很有用，以便看到正在发生的事情。 默认为 0。60 :param timeout: 等待建立连接的最长时间（以毫秒为单位）。默认为 30000（30 秒）。 传递 0 以禁用超时。61 """62 browser_type = self._playwright_process.chromium63 self._browser = browser_type.connect_over_cdp(64 endpoint_url=endpoint_url,65 headers=headers,66 slow_mo=slow_mo,67 timeout=timeout68 )69 self._context = self._browser.contexts[0]70 self._page = self._context.pages[0]71 self._interaction = self._page72 def new_browser(73 self,74 *,75 browser: SupportedBrowsers = SupportedBrowsers.chromium,76 args: typing.List[str] = None,77 downloads_path: typing.Union[str, pathlib.Path] = None,...

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_browser_type.py

Source:_browser_type.py Github

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...139 )140 context._options = params141 context.tracing._local_utils = self._playwright._utils142 return context143 async def connect_over_cdp(144 self,145 endpointURL: str,146 timeout: float = None,147 slow_mo: float = None,148 headers: Dict[str, str] = None,149 ) -> Browser:150 params = locals_to_params(locals())151 response = await self._channel.send_return_as_dict("connectOverCDP", params)152 browser = cast(Browser, from_channel(response["browser"]))153 browser._local_utils = self._playwright._utils154 default_context = cast(155 Optional[BrowserContext],156 from_nullable_channel(response.get("defaultContext")),157 )...

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utils.py

Source:utils.py Github

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...40 executable_path=path, args=["--no-sandbox"]41 )42 if plugin_config.bison_browser.startswith("ws:"):43 self.remote_browser = True44 return await playwright.chromium.connect_over_cdp(45 plugin_config.bison_browser46 )47 raise RuntimeError("bison_BROWSER error")48 if plugin_config.bison_use_local:49 return await playwright.chromium.launch(50 executable_path="/​usr/​bin/​chromium", args=["--no-sandbox"]51 )52 return await playwright.chromium.launch(args=["--no-sandbox"])53 async def close_browser(self):54 if not self.remote_browser:55 await self.browser.close()56 async def render(57 self,58 url: str,...

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test_browsertype_connect_cdp.py

Source:test_browsertype_connect_cdp.py Github

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...23 port = find_free_port()24 browser_server = await browser_type.launch(25 **launch_arguments, args=[f"--remote-debugging-port={port}"]26 )27 cdp_browser = await browser_type.connect_over_cdp(f"http:/​/​localhost:{port}")28 assert len(cdp_browser.contexts) == 129 await cdp_browser.close()30 await browser_server.close()31async def test_connect_to_an_existing_cdp_session_twice(32 launch_arguments: Dict, browser_type: BrowserType, server: Server33):34 port = find_free_port()35 browser_server = await browser_type.launch(36 **launch_arguments, args=[f"--remote-debugging-port={port}"]37 )38 endpoint_url = f"http:/​/​localhost:{port}"39 cdp_browser1 = await browser_type.connect_over_cdp(endpoint_url)40 cdp_browser2 = await browser_type.connect_over_cdp(endpoint_url)41 assert len(cdp_browser1.contexts) == 142 page1 = await cdp_browser1.contexts[0].new_page()43 await page1.goto(server.EMPTY_PAGE)44 assert len(cdp_browser2.contexts) == 145 page2 = await cdp_browser2.contexts[0].new_page()46 await page2.goto(server.EMPTY_PAGE)47 assert len(cdp_browser1.contexts[0].pages) == 248 assert len(cdp_browser2.contexts[0].pages) == 249 await cdp_browser1.close()50 await cdp_browser2.close()51 await browser_server.close()52def _ws_endpoint_from_url(url: str) -> str:53 response = requests.get(url)54 assert response.ok55 response_body = response.json()56 return response_body["webSocketDebuggerUrl"]57async def test_conect_over_a_ws_endpoint(58 launch_arguments: Dict, browser_type: BrowserType, server: Server59):60 port = find_free_port()61 browser_server = await browser_type.launch(62 **launch_arguments, args=[f"--remote-debugging-port={port}"]63 )64 ws_endpoint = _ws_endpoint_from_url(f"http:/​/​localhost:{port}/​json/​version/​")65 cdp_browser1 = await browser_type.connect_over_cdp(ws_endpoint)66 assert len(cdp_browser1.contexts) == 167 await cdp_browser1.close()68 cdp_browser2 = await browser_type.connect_over_cdp(ws_endpoint)69 assert len(cdp_browser2.contexts) == 170 await cdp_browser2.close()...

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Playwright tutorial

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