How to use call_on_object_with_known_name method in Playwright Python

Best Python code snippet using playwright-python

_connection.py

Source:_connection.py Github

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...127 def callback_wrapper(result: Any) -> None:128 callback.set_result(result)129 self._waiting_for_object[guid] = callback_wrapper130 return await callback131 def call_on_object_with_known_name(132 self, guid: str, callback: Callable[[Any], None]133 ) -> None:134 self._waiting_for_object[guid] = callback135 def _send_message_to_server(136 self, guid: str, method: str, params: Dict137 ) -> ProtocolCallback:138 self._last_id += 1139 id = self._last_id140 message = dict(141 id=id,142 guid=guid,143 method=method,144 params=self._replace_channels_with_guids(params, "params"),145 )...

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connect_to_browser.py

Source:connect_to_browser.py Github

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...74 g_self = greenlet.getcurrent()75 def callback_wrapper(playwright_impl: PlaywrightImpl) -> None:76 self._playwright_impl = playwright_impl77 g_self.switch()78 self._connection.call_on_object_with_known_name(79 "Playwright", callback_wrapper)80 dispatcher_fiber.switch()81 pre_launched_browser = self._playwright_impl._initializer.get(82 "preLaunchedBrowser")83 assert pre_launched_browser84 browser = cast(BrowserImpl, from_channel(pre_launched_browser))85 self._setup_browser(browser)86 def handle_transport_close() -> None:87 for context in browser.contexts:88 for page in context.pages:89 page._on_close()90 context._on_close()91 browser._on_close()92 transport.once("close", handle_transport_close)...

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sync_playwright_remote.py

Source:sync_playwright_remote.py Github

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...51 g_self = greenlet.getcurrent()52 def callback_wrapper(playwright_impl: Playwright) -> None:53 self._playwright = SyncPlaywright(playwright_impl)54 g_self.switch()55 self._connection.call_on_object_with_known_name(56 "Playwright", callback_wrapper)57 dispatcher_fiber.switch()58 playwright = self._playwright59 playwright.stop = self.__exit__ # type: ignore60 return playwright61 def start(self) -> SyncPlaywright:62 return self.__enter__()63 def __exit__(self, *args: Any) -> None:64 self._connection.stop_sync()65def sync_playwright_remote(ws_endpoint: str) -> SyncPlaywrightRemoteContextManager:...

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_context_manager.py

Source:_context_manager.py Github

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...48 g_self = greenlet.getcurrent()49 def callback_wrapper(playwright_impl: Playwright) -> None:50 self._playwright = SyncPlaywright(playwright_impl)51 g_self.switch()52 self._connection.call_on_object_with_known_name("Playwright", callback_wrapper)53 dispatcher_fiber.switch()54 playwright = self._playwright55 playwright.stop = self.__exit__ # type: ignore56 return playwright57 def start(self) -> SyncPlaywright:58 return self.__enter__()59 def __exit__(self, *args: Any) -> None:...

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StackOverFlow community discussions

Questions
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How to quickly find out if an element exists in a page or not using playwright

It would appear that when you run the script on your server, the user you're using does not have permission to create either the local_save directory or the path to that directory. On a Unix-like system, /var and most of its subdirectories are generally writable only by root. The exception is /var/tmp. If you change your local_save variable to be

local_save = '/var/tmp/apis/tceprotocolo'

and prior to calling your function, call

os.makedirs(local_save)

then your function should successfully write output to that directory.

https://stackoverflow.com/questions/74973187/gunicorn-flask-app-cant-download-file-using-playwright-on-linux

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LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

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