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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

...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        )...

connect_to_browser.py

Source:connect_to_browser.py

...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)...

sync_playwright_remote.py

Source:sync_playwright_remote.py

...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:...

_context_manager.py

Source:_context_manager.py

...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:...

Playwright tutorial

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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What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
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Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
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