How to use new_cdp_session method in Playwright Python

Best Python code snippet using playwright-python

_browser_context.py

Source: _browser_context.py Github

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...354 return list(self._background_pages)355 @property356 def service_workers(self) -> List[Worker]:357 return list(self._service_workers)358 async def new_cdp_session(self, page: Union[Page, Frame]) -> CDPSession:359 page = to_impl(page)360 params = {}361 if isinstance(page, Page):362 params["page"] = page._channel363 elif isinstance(page, Frame):364 params["frame"] = page._channel365 else:366 raise Error("page: expected Page or Frame")367 return from_channel(await self._channel.send("newCDPSession", params))368 @property369 def tracing(self) -> Tracing:370 return self._tracing371 @property372 def request(self) -> "APIRequestContext":...

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test_e2e_upload.py

Source: test_e2e_upload.py Github

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...93@pytest.mark.urls(__name__)94@pytest.mark.parametrize('viewname', ['upload'])95def test_upload_progressbar(page):96 field_group = page.query_selector('django-formset django-field-group')97 client = page.context.new_cdp_session(page)98 client.send('Network.enable')99 network_conditions = {100 'offline': False,101 'downloadThroughput': 999999,102 'uploadThroughput': 512,103 'latency': 20104 }105 client.send('Network.emulateNetworkConditions', network_conditions)106 page.set_input_files('#id_avatar', 'testapp/​assets/​python-django.png')107 progress_bar = field_group.wait_for_selector('progress')108 assert progress_bar is not None109 progress_value = float(progress_bar.get_attribute('value'))110 assert progress_value >= 0.0 and progress_value < 1.0111 sleep(0.2)112 progress_value = float(progress_bar.get_attribute('value'))113 assert progress_value > 0.0 and progress_value <= 1.0114 network_conditions.update(uploadThroughput=999999)115 client.send('Network.emulateNetworkConditions', network_conditions)116 file_picture = page.wait_for_selector('li.dj-file-picture')117 assert file_picture is not None118@pytest.mark.urls(__name__)119@pytest.mark.parametrize('viewname', ['upload'])120def test_upload_in_progress(page):121 field_group = page.wait_for_selector('django-formset django-field-group')122 client = page.context.new_cdp_session(page)123 client.send('Network.enable')124 network_conditions = {125 'offline': False,126 'downloadThroughput': 999999,127 'uploadThroughput': 512,128 'latency': 20129 }130 client.send('Network.emulateNetworkConditions', network_conditions)131 page.set_input_files('#id_avatar', 'testapp/​assets/​python-django.png')132 sleep(0.02)133 page.wait_for_selector('django-formset').evaluate('elem => elem.submit()')134 error_placeholder = field_group.wait_for_selector('.dj-errorlist .dj-placeholder')135 assert error_placeholder.inner_html() == "File upload still in progress."136@pytest.mark.urls(__name__)...

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_spoof.py

Source: _spoof.py Github

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...21 self.previous = start22 self.moving = False23 self.overshoot_spread = 1024 self.overshoot_radius = 12025 self.cdp_session = page.context.new_cdp_session(page)26 def get_random_page_point(self) -> Vector:27 """Get a random point on a browser window"""28 target_id = self.page.target._targetId29 window = self.cdp_session.send(30 "Browser.getWindowForTarget", {"targetId": target_id}31 )32 return get_random_box_point(33 {34 "x": origin.x,35 "y": origin.y,36 "width": window["bounds"]["width"],37 "height": window["bounds"]["height"],38 }39 )...

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link_checker.py

Source: link_checker.py Github

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...35 self.__rulesets: Optional[List[RuleSet]] = None36 async def __capture_page_requests(self, browser: Browser, url: str, queue: asyncio.Queue):37 logging.info(f"Capturing requests for {url}")38 page = await browser.new_page()39 client = await page.context.new_cdp_session(page)40 await client.send("Debugger.enable")41 await client.send("Debugger.setAsyncCallStackDepth", {"maxDepth": 32})42 await client.send("Network.enable")43 def handle_pre_request(args):44 request_info = RequestInfo.parse_obj(args)45 queue.put_nowait(request_info)46 client.on("Network.requestWillBeSent", handle_pre_request)47 await page.goto(url)48 title = await page.title()49 url = page.url50 await page.close()51 logging.info(f"Requests captured for {url}")52 return title, url53 def __create_report(self, title: str, url: str, queue: asyncio.Queue):...

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React locator example

I solved my problem. In fact my docker container (frontend) is called "app" which is also domain name of fronend application. My application is running locally on http. Chromium and geko drivers force httpS connection for some domain names one of which is "app". So i have to change name for my docker container wich contains frontend application.

https://stackoverflow.com/questions/69542361/playwright-error-connection-refused-in-docker

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