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How to use playwright method in Playwright Python

Best Python code snippet using playwright-python

downloadermiddlewares.py

Source:downloadermiddlewares.py

...80            playwright_installed = is_playwright_installed()81            if not playwright_installed:82                logger.info(83                    'playwright libraries not installed, start to install')84                install_playwright()85            else:86                logger.info('playwright libraries already installed')87        # init settings88        cls.window_width = settings.get(89            'GERAPY_PLAYWRIGHT_WINDOW_WIDTH', GERAPY_PLAYWRIGHT_WINDOW_WIDTH)90        cls.window_height = settings.get(91            'GERAPY_PLAYWRIGHT_WINDOW_HEIGHT', GERAPY_PLAYWRIGHT_WINDOW_HEIGHT)92        cls.default_user_agent = settings.get('GERAPY_PLAYWRIGHT_DEFAULT_USER_AGENT',93                                              GERAPY_PLAYWRIGHT_DEFAULT_USER_AGENT)94        cls.headless = settings.get(95            'GERAPY_PLAYWRIGHT_HEADLESS', GERAPY_PLAYWRIGHT_HEADLESS)96        cls.channel = settings.get(97            'GERAPY_PLAYWRIGHT_CHANNEL', GERAPY_PLAYWRIGHT_CHANNEL)98        cls.slow_mo = settings.get(99            'GERAPY_PLAYWRIGHT_SLOW_MO', GERAPY_PLAYWRIGHT_SLOW_MO)100        # cls.ignore_default_args = settings.get('GERAPY_PLAYWRIGHT_IGNORE_DEFAULT_ARGS',101        #                                        GERAPY_PLAYWRIGHT_IGNORE_DEFAULT_ARGS)102        # cls.handle_sigint = settings.get(103        #     'GERAPY_PLAYWRIGHT_HANDLE_SIGINT', GERAPY_PLAYWRIGHT_HANDLE_SIGINT)104        # cls.handle_sigterm = settings.get(105        #     'GERAPY_PLAYWRIGHT_HANDLE_SIGTERM', GERAPY_PLAYWRIGHT_HANDLE_SIGTERM)106        # cls.handle_sighup = settings.get(107        #     'GERAPY_PLAYWRIGHT_HANDLE_SIGHUP', GERAPY_PLAYWRIGHT_HANDLE_SIGHUP)108        cls.devtools = settings.get(109            'GERAPY_PLAYWRIGHT_DEVTOOLS', GERAPY_PLAYWRIGHT_DEVTOOLS)110        cls.executable_path = settings.get(111            'GERAPY_PLAYWRIGHT_EXECUTABLE_PATH', GERAPY_PLAYWRIGHT_EXECUTABLE_PATH)112        cls.disable_extensions = settings.get('GERAPY_PLAYWRIGHT_DISABLE_EXTENSIONS',113                                              GERAPY_PLAYWRIGHT_DISABLE_EXTENSIONS)114        cls.hide_scrollbars = settings.get(115            'GERAPY_PLAYWRIGHT_HIDE_SCROLLBARS', GERAPY_PLAYWRIGHT_HIDE_SCROLLBARS)116        cls.mute_audio = settings.get(117            'GERAPY_PLAYWRIGHT_MUTE_AUDIO', GERAPY_PLAYWRIGHT_MUTE_AUDIO)118        cls.no_sandbox = settings.get(119            'GERAPY_PLAYWRIGHT_NO_SANDBOX', GERAPY_PLAYWRIGHT_NO_SANDBOX)120        cls.disable_setuid_sandbox = settings.get('GERAPY_PLAYWRIGHT_DISABLE_SETUID_SANDBOX',121                                                  GERAPY_PLAYWRIGHT_DISABLE_SETUID_SANDBOX)122        cls.disable_gpu = settings.get(123            'GERAPY_PLAYWRIGHT_DISABLE_GPU', GERAPY_PLAYWRIGHT_DISABLE_GPU)124        cls.download_timeout = settings.get('GERAPY_PLAYWRIGHT_DOWNLOAD_TIMEOUT',125                                            settings.get('DOWNLOAD_TIMEOUT', GERAPY_PLAYWRIGHT_DOWNLOAD_TIMEOUT))126        # cls.ignore_resource_types = settings.get('GERAPY_PLAYWRIGHT_IGNORE_RESOURCE_TYPES',127        #                                          GERAPY_PLAYWRIGHT_IGNORE_RESOURCE_TYPES)128        cls.screenshot = settings.get(129            'GERAPY_PLAYWRIGHT_SCREENSHOT', GERAPY_PLAYWRIGHT_SCREENSHOT)130        cls.pretend = settings.get(131            'GERAPY_PLAYWRIGHT_PRETEND', GERAPY_PLAYWRIGHT_PRETEND)132        cls.sleep = settings.get(133            'GERAPY_PLAYWRIGHT_SLEEP', GERAPY_PLAYWRIGHT_SLEEP)134        # cls.enable_request_interception = settings.getbool('GERAPY_ENABLE_REQUEST_INTERCEPTION',135        #                                                    GERAPY_ENABLE_REQUEST_INTERCEPTION)136        cls.retry_enabled = settings.getbool('RETRY_ENABLED')137        cls.max_retry_times = settings.getint('RETRY_TIMES')138        cls.retry_http_codes = set(int(x)139                                   for x in settings.getlist('RETRY_HTTP_CODES'))140        cls.priority_adjust = settings.getint('RETRY_PRIORITY_ADJUST')141        cls.proxy = settings.get('GERAPY_PLAYWRIGHT_PROXY')142        cls.proxy_credential = settings.get(143            'GERAPY_PLAYWRIGHT_PROXY_CREDENTIAL')144        return cls()145    async def _process_request(self, request, spider):146        """147        use playwright to process spider148        :param request:149        :param spider:150        :return:151        """152        # get playwright meta153        playwright_meta = request.meta.get('playwright') or {}154        logger.debug('playwright_meta %s', playwright_meta)155        if not isinstance(playwright_meta, dict) or len(playwright_meta.keys()) == 0:156            return157        options = {158            'headless': self.headless,159            'args': [],160        }161        if self.executable_path is not None:162            options['executablePath'] = self.executable_path163        if self.slow_mo is not None:164            options['slowMo'] = self.slow_mo165        if self.devtools is not None:166            options['devtools'] = self.devtools167        if self.channel is not None:168            options['channel'] = self.channel169        # if self.ignore_default_args is not None:170        #     options['ignoreDefaultArgs'] = self.ignore_default_args171        # if self.handle_sigint:172        #     options['handleSIGINT'] = self.handle_sigint173        # if self.handle_sigterm:174        #     options['handleSIGTERM'] = self.handle_sigterm175        # if self.handle_sighup:176        #     options['handleSIGHUP'] = self.handle_sighup177        if self.disable_extensions is not None:178            options['args'].append('--disable-extensions')179        if self.hide_scrollbars is not None:180            options['args'].append('--hide-scrollbars')181        if self.mute_audio is not None:182            options['args'].append('--mute-audio')183        if self.no_sandbox is not None:184            options['args'].append('--no-sandbox')185        if self.disable_setuid_sandbox is not None:186            options['args'].append('--disable-setuid-sandbox')187        if self.disable_gpu is not None:188            options['args'].append('--disable-gpu')189        # pretend as normal browser190        _pretend = self.pretend  # get global pretend setting191        if playwright_meta.get('pretend') is not None:192            # get local pretend setting to overwrite global193            _pretend = playwright_meta.get('pretend')194        # set proxy and proxy credential195        _proxy = self.proxy196        if playwright_meta.get('proxy') is not None:197            _proxy = playwright_meta.get('proxy')198        if _proxy:199            options['proxy'] = {200                'server': _proxy201            }202        _proxy_credential = self.proxy_credential203        if playwright_meta.get('proxy_credential') is not None:204            _proxy_credential = playwright_meta.get('proxy_credential')205        if _proxy_credential and _proxy:206            options['proxy'].update(_proxy_credential)207        logger.debug('set options %s', options)208        # set default user_agent209        _user_agent = self.default_user_agent210        # get Scrapy request ua, exclude default('Scrapy/2.5.0 (+https://scrapy.org)')211        if 'Scrapy' not in request.headers.get('User-Agent').decode():212            _user_agent = request.headers.get(213                'User-Agent').decode()214        async with async_playwright() as playwright:215            browser = await playwright.chromium.launch(**options)216            context = await browser.new_context(217                viewport={'width': self.window_width,218                        'height': self.window_height},219                user_agent=_user_agent220            )221            # set cookies222            parse_result = urllib.parse.urlsplit(request.url)223            domain = parse_result.hostname224            _cookies = []225            if isinstance(request.cookies, dict):226                _cookies = [{'name': k, 'value': v, 'domain': domain, 'path': '/'}227                            for k, v in request.cookies.items()]228            else:...

utils.py

Source:utils.py

...85        target: Optional[str] = None,86        operation: Optional[Callable[[Page], Awaitable[None]]] = None,87    ) -> Optional[bytes]:88        async with self.lock:89            async with async_playwright() as playwright:90                self.browser = await self.get_browser(playwright)91                self._inter_log("open browser")92                if viewport:93                    constext = await self.browser.new_context(94                        viewport={95                            "width": viewport["width"],96                            "height": viewport["height"],97                        },98                        device_scale_factor=viewport.get("deviceScaleFactor", 1),99                    )100                    page = await constext.new_page()101                else:102                    page = await self.browser.new_page()103                if operation:...

request.py

Source:request.py

1from scrapy import Request2import copy3class PlaywrightRequest(Request):4    """5    Scrapy ``Request`` subclass providing additional arguments6    """7    def __init__(self, url, callback=None, wait_until=None, wait_for=None, script=None, actions=None, proxy=None,8                 proxy_credential=None, sleep=None, timeout=None, ignore_resource_types=None, pretend=None, screenshot=None, meta=None,9                 *args, **kwargs):10        """11        :param url: request url12        :param callback: callback13        :param wait_until: one of "load", "domcontentloaded", "networkidle".14                see https://playwright.dev/python/docs/api/class-page#page-wait-for-load-state, default is `domcontentloaded`15        :param wait_for: wait for some element to load, also supports dict16        :param script: script to execute17        :param actions: actions defined for execution of Page object18        :param proxy: use proxy for this time, like `http://x.x.x.x:x`19        :param proxy_credential: the proxy credential, like `{'username': 'xxxx', 'password': 'xxxx'}`20        :param sleep: time to sleep after loaded, override `GERAPY_PLAYWRIGHT_SLEEP`21        :param timeout: load timeout, override `GERAPY_PLAYWRIGHT_DOWNLOAD_TIMEOUT`22        :param ignore_resource_types: ignored resource types, override `GERAPY_PLAYWRIGHT_IGNORE_RESOURCE_TYPES`23        :param pretend: pretend as normal browser, override `GERAPY_PLAYWRIGHT_PRETEND`24        :param screenshot: ignored resource types, see25                https://playwright.dev/python/docs/api/class-page#page-screenshot,26                override `GERAPY_PLAYWRIGHT_SCREENSHOT`27        :param args:28        :param kwargs:29        """30        # use meta info to save args31        meta = copy.deepcopy(meta) or {}32        playwright_meta = meta.get('playwright') or {}33        self.wait_until = playwright_meta.get('wait_until') if playwright_meta.get(34            'wait_until') is not None else (wait_until or 'domcontentloaded')35        self.wait_for = playwright_meta.get('wait_for') if playwright_meta.get(36            'wait_for') is not None else wait_for37        self.script = playwright_meta.get('script') if playwright_meta.get(38            'script') is not None else script39        self.actions = playwright_meta.get('actions') if playwright_meta.get(40            'actions') is not None else actions41        self.sleep = playwright_meta.get('sleep') if playwright_meta.get(42            'sleep') is not None else sleep43        self.proxy = playwright_meta.get('proxy') if playwright_meta.get(44            'proxy') is not None else proxy45        self.proxy_credential = playwright_meta.get('proxy_credential') if playwright_meta.get(46            'proxy_credential') is not None else proxy_credential47        self.pretend = playwright_meta.get('pretend') if playwright_meta.get(48            'pretend') is not None else pretend49        self.timeout = playwright_meta.get('timeout') if playwright_meta.get(50            'timeout') is not None else timeout51        # self.ignore_resource_types = playwright_meta.get('ignore_resource_types') if playwright_meta.get(52        #     'ignore_resource_types') is not None else ignore_resource_types53        self.screenshot = playwright_meta.get('screenshot') if playwright_meta.get(54            'screenshot') is not None else screenshot55        playwright_meta = meta.setdefault('playwright', {})56        playwright_meta['wait_until'] = self.wait_until57        playwright_meta['wait_for'] = self.wait_for58        playwright_meta['script'] = self.script59        playwright_meta['actions'] = self.actions60        playwright_meta['sleep'] = self.sleep61        playwright_meta['proxy'] = self.proxy62        playwright_meta['proxy_credential'] = self.proxy_credential63        playwright_meta['pretend'] = self.pretend64        playwright_meta['timeout'] = self.timeout65        playwright_meta['screenshot'] = self.screenshot66        # playwright_meta['ignore_resource_types'] = self.ignore_resource_types...

sync_playwright_remote.py

Source:sync_playwright_remote.py

1import asyncio2import importlib.metadata3from typing import Any4from greenlet import greenlet5from playwright._impl._api_types import Error6from playwright._impl._connection import Connection7from playwright._impl._object_factory import create_remote_object8from playwright._impl._playwright import Playwright9from playwright._impl._transport import WebSocketTransport10from playwright.sync_api._generated import Playwright as SyncPlaywright11class SyncPlaywrightRemoteContextManager:12    def __init__(self, ws_endpoint: str) -> None:13        self._playwright: SyncPlaywright14        self._ws_endpoint = ws_endpoint15    def _make_connection(self, dispatcher_fiber, object_factory, transport, loop) -> Connection:16        if importlib.metadata.version('playwright') < '1.15.0':17            return Connection(18                dispatcher_fiber,19                create_remote_object,20                transport)21        else:22            return Connection(23                dispatcher_fiber,24                create_remote_object,25                transport,26                loop)27    def __enter__(self) -> SyncPlaywright:28        loop: asyncio.AbstractEventLoop29        own_loop = None30        try:31            loop = asyncio.get_running_loop()32        except RuntimeError:33            loop = asyncio.new_event_loop()34            own_loop = loop35        if loop.is_running():36            raise Error(37                """It looks like you are using Playwright Sync API inside the asyncio loop.38Please use the Async API instead."""39            )40        def greenlet_main() -> None:41            loop.run_until_complete(self._connection.run_as_sync())42            if own_loop:43                loop.run_until_complete(loop.shutdown_asyncgens())44                loop.close()45        dispatcher_fiber = greenlet(greenlet_main)46        self._connection = self._make_connection(47            dispatcher_fiber,48            create_remote_object,49            WebSocketTransport(loop, self._ws_endpoint),50            loop)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:...

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.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
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What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
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.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
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Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.