Best Python code snippet using playwright-python
_wait_helper.py
Source:_wait_helper.py  
...39                    "event": event,40                }41            },42        )43    def _wait_for_event_info_after(self, wait_id: str, error: Exception = None) -> None:44        try:45            info = {46                "waitId": wait_id,47                "phase": "after",48            }49            if error:50                info["error"] = str(error)51            self._channel.send_no_reply(52                "waitForEventInfo",53                {54                    "info": info,55                },56            )57        except Exception:58            pass59    def reject_on_event(60        self,61        emitter: EventEmitter,62        event: str,63        error: Error,64        predicate: Callable = None,65    ) -> None:66        def listener(event_data: Any = None) -> None:67            if not predicate or predicate(event_data):68                self._reject(error)69        emitter.on(event, listener)70        self._registered_listeners.append((emitter, event, listener))71    def reject_on_timeout(self, timeout: float, message: str) -> None:72        if timeout == 0:73            return74        async def reject() -> None:75            await asyncio.sleep(timeout / 1000)76            self._reject(TimeoutError(message))77        self._pending_tasks.append(self._loop.create_task(reject()))78    def _cleanup(self) -> None:79        for task in self._pending_tasks:80            if not task.done():81                task.cancel()82        for listener in self._registered_listeners:83            listener[0].remove_listener(listener[1], listener[2])84    def _fulfill(self, result: Any) -> None:85        self._cleanup()86        if not self._result.done():87            self._result.set_result(result)88        self._wait_for_event_info_after(self._wait_id)89    def _reject(self, exception: Exception) -> None:90        self._cleanup()91        if exception:92            base_class = TimeoutError if isinstance(exception, TimeoutError) else Error93            exception = base_class(str(exception) + format_log_recording(self._logs))94        if not self._result.done():95            self._result.set_exception(exception)96        self._wait_for_event_info_after(self._wait_id, exception)97    def wait_for_event(98        self,99        emitter: EventEmitter,100        event: str,101        predicate: Callable = None,102    ) -> None:103        def listener(event_data: Any = None) -> None:104            if not predicate or predicate(event_data):105                self._fulfill(event_data)106        emitter.on(event, listener)107        self._registered_listeners.append((emitter, event, listener))108    def result(self) -> asyncio.Future:109        return self._result110    def log(self, message: str) -> None:...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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