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How to use launch_arguments method in Playwright Python

Best Python code snippet using playwright-python

immersivefx.py

Source:immersivefx.py

1import sys2import threading3from time import sleep, time4import numpy as np5from devices import WLED, Serial, DualShock6class Core:7    name = 'ImmersiveFX Core'  # override this in your fxmode8    # those need to be set by their respective fxmodes, as a list containing all applying values9    target_versions = None  # 'dev' works best for builtin fxmodes, external stuff should name actual versions though10    target_platforms = None  # check https://docs.python.org/3/library/sys.html#sys.platform or use 'all' if it applies11    def __init__(self, core_version, config, launch_arguments, *args, **kwargs):12        """13        fancy little base class, make your fxmode inherit from it to spare yourself unnecessary work14        or don't, I'm a comment not a cop.15        """16        self.launch_arguments = launch_arguments17        self.check_target(core_version)18        self.config = config19        self.devices = {}20        self.parse_devices(config)21        self.data_thread = None22        self.device_classes = {23            'wled': WLED,24            'serial': Serial,25            'dualshock': DualShock,26        }27        self.raw_data = np.zeros([1, 3])  # empty, but valid staring point28        self.frame_sleep = 1000 / self.config.get('fps', 30)29        self.splash()30    def start_threads(self):31        """32        initializes and starts data and device threads, call this in your fxmode, usually at the end33        """34        self.data_thread = threading.Thread(35            target=self.data_loop,36            args=(),37            kwargs={},38        )39        if self.launch_arguments.single_threaded:40            while True:41                start = time()42                self.data_loop()43                for device, device_config in self.devices.items():44                    self.device_loop(device)45                duration = (time() - start) * 100046                print(f'Cycle took {round(duration, 2)}ms')47        else:48            self.data_thread.start()49            self.start_device_threads()50    def start_device_threads(self):51        for device, device_config in self.devices.items():52            thread = device_config.get('thread')53            if thread:54                if not thread.ident:55                    thread.start()56    def parse_devices(self, config):57        """58        reads config.json and configures everything according to it. This method only takes care of the basics,59        so you may wanna extend it if your fxmode takes/requires additional settings.60        See fxmodes/screenfx/main.py for a reference implementation61        :return:62        """63        #  These keys need to be set per device, everything else has some kinda default instead64        required_keys = {65            'wled': {'ip', 'leds'},66            'serial': {'path', 'leds'},67            'dualshock': {'device_num'},68        }69        # Here we'll put the final configurations70        final_devices = {}71        devices = config.get('devices')72        if not devices:73            print('You didn\'t define devices in your config, which renders this program kinda useless')74            exit()75        for name, device in devices.items():76            device_enabled = device.get('enabled', True)77            if device_enabled:78                device_type = device.get('type')79                if device_type:80                    if device_type not in required_keys.keys():81                        print(f'WARNING: device {name} has an invalid type, must be {required_keys.keys()}, skipping it')82                    else:83                        if not (required_keys.get(device_type) - device.keys()):84                            base_config = {85                                'type': device_type,86                                'enabled': device_enabled,87                                'brightness': device.get('brightness', 1),88                                'flip': device.get('flip', False),89                                'color_temperature': device.get('color_temperature'),90                                'saturation': device.get('saturation', 1),91                                'thread': threading.Thread(),92                            }93                            if device_type == 'wled':94                                device_config = {95                                    'ip': device.get('ip'),96                                    'port': device.get('port', 21324),97                                    'leds': device.get('leds'),98                                    **base_config,99                                }100                            if device_type == 'serial':101                                baud = device.get('baud', 115200)102                                device_config = {103                                    'path': device.get('path'),104                                    'baud': baud,105                                    'leds': device.get('leds'),106                                    **base_config,107                                }108                            if device_type == 'dualshock':109                                device_config = {110                                    'device_num': device.get('device_num'),111                                    **base_config,112                                }113                            device_config['thread'] = threading.Thread(114                                target=self.device_loop,115                                args=[name],116                                kwargs={},117                            )118                            final_devices[name] = device_config119                        else:120                            print(f'WARNING: device {name} lacks one of these keys: '121                                  f'{required_keys.get(device_type)} skipping it.')122                else:123                    print(f'WARNING: you didn\'t define the device type for "{name}", skipping it.')124        if not final_devices:125            print('ERROR: There\'s no device with complete configuration, please check your config!')126            print('Exiting now...')127            exit(1)128        self.devices = final_devices129    def check_target(self, core_version):130        """131        checks if the user's ImmersiveFX Core version and platform match the fxmode requirements132        can be overridden with --no-version-check and --no-platform-check, expect errors in this case though133        """134        if not self.launch_arguments.no_version_check:135            match = None136            core_major, core_minor, *_ = core_version.split('.')137            for version in self.target_versions:138                major, minor, *_ = version.split('.')139                if (major, minor) == (core_major, core_minor):140                    match = True141            if not match:142                print('Your ImmersiveFX Core is on version %(core)s but it needs to be on %(targets)s' % {143                    'core': '.'.join([core_major, core_minor]),144                    'targets': ', '.join(self.target_versions),145                })146                print('for this FXMode to work!')147                exit(1)148        if not self.launch_arguments.no_platform_check:149            if sys.platform not in self.target_platforms and 'all' not in self.target_platforms:150                print('your platform is %(platform)s but it needs to be %(targets)s.' % {151                    'platform': sys.platform,152                    'targets': ', '.join(self.target_platforms),153                })154                exit()155    def splash(self):156        """157        Override this in your fxmode and print whatever you want. Preferably some kinda logo of course158        """159        print('***************************************************')160        print('*           NO SPLASH SCREEN SPECIFIED!           *')161        print('*  you\'re seeing this because the fxmode creator  *')162        print('*      didn\'t override the splash() method.       *')163        print('*        No big deal but kinda boring, huh?       *')164        print('***************************************************')165    def data_processing(self, *args, **kwargs):166        """167        Override this in your fxmode and continuously set self.raw_data168        """169        pass170    def data_loop(self, *args, **kwargs):171        """172        Manages data cycle timing, for handling preferably use data_processing173        """174        if self.launch_arguments.single_threaded:175            self.data_processing()176        else:177            while True:178                start = time()179                self.data_processing()180                duration = (time() - start) * 1000181                if duration > self.frame_sleep:182                    if not self.launch_arguments.no_performance_warnings:183                        print('WARNING: data cycle took longer than frame time!')184                        print(f'frame time: {round(self.frame_sleep, 2)}ms, cycle time: {round(duration, 2)}ms')185                        print('If this happens repeatedly, consider lowering the fps.')186                else:187                    sleep((self.frame_sleep - duration) / 1000)188    def device_processing(self, device, device_instance):189        """190        Override this in your fxmode and process raw data so you end up with a list of rgb arrays191        :param device: device info as per config, provided so that custom fxmode config keys can be respected192        :param device_instance: device class instance, containing further info193        :return: a 2d numpy array; a list of rgb lists194        """195        return np.zeros([1, 3])196    def device_loop(self, device_name):197        """198        Thread manager for a device. Creates a class instance for it and runs a continuous loop to send data199        :param device_name: key to fetch device_config200        """201        device = self.devices.get(device_name)202        device_type = device.get('type')203        device_class = self.device_classes.get(device_type)204        def run_loop(instance):205            data = np.array(self.device_processing(device, instance))206            data = (instance.apply_enhancements(207                data * instance.brightness * instance.color_temperature208            )).astype(int)209            if instance.flip:210                data = np.flip(data, axis=0)211            instance.loop(data)212        if device_class:213            device_instance = device_class(device, device_name)214            if self.launch_arguments.single_threaded:215                if not device_instance.enabled:216                    return None217                run_loop(device_instance)218            else:219                while True:220                    if not device_instance.enabled:221                        break222                    start = time()223                    run_loop(device_instance)224                    duration = (time() - start) * 1000225                    if duration > self.frame_sleep:226                        if not self.launch_arguments.no_performance_warnings:227                            print(f'WARNING: device "{device_instance.name}" cycle took longer than frame time!')228                            print(f'frame time: {round(self.frame_sleep, 2)}ms, cycle time: {round(duration, 2)}ms')229                            print('If this happens repeatedly, consider lowering the fps.')230                    else:...

test_include_launch_description.py

Source:test_include_launch_description.py

...72    # Result should only contain the launch description as there are no launch arguments.73    assert action2.visit(lc2) == [ld2]74    assert lc2.locals.current_launch_file_directory == os.path.dirname(this_file)75    assert action2.get_asyncio_future() is None76def test_include_launch_description_launch_arguments():77    """Test the interactions between declared launch arguments and IncludeLaunchDescription."""78    # test that arguments are set when given, even if they are not declared79    ld1 = LaunchDescription([])80    action1 = IncludeLaunchDescription(81        LaunchDescriptionSource(ld1),82        launch_arguments={'foo': 'FOO'}.items(),83    )84    assert len(action1.launch_arguments) == 185    lc1 = LaunchContext()86    result1 = action1.visit(lc1)87    assert len(result1) == 288    assert isinstance(result1[0], SetLaunchConfiguration)89    assert perform_substitutions(lc1, result1[0].name) == 'foo'90    assert perform_substitutions(lc1, result1[0].value) == 'FOO'...

test_headful.py

Source:test_headful.py

1# Copyright (c) Microsoft Corporation.2#3# Licensed under the Apache License, Version 2.0 (the "License")4# you may not use this file except in compliance with the License.5# You may obtain a copy of the License at6#7# http:#www.apache.org/licenses/LICENSE-2.08#9# Unless required by applicable law or agreed to in writing, software10# distributed under the License is distributed on an "AS IS" BASIS,11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12# See the License for the specific language governing permissions and13# limitations under the License.14import pytest15from flaky import flaky16async def test_should_have_default_url_when_launching_browser(17    browser_type, launch_arguments, tmpdir18):19    browser_context = await browser_type.launch_persistent_context(20        tmpdir, **{**launch_arguments, "headless": False}21    )22    urls = [page.url for page in browser_context.pages]23    assert urls == ["about:blank"]24    await browser_context.close()25async def test_headless_should_be_able_to_read_cookies_written_by_headful(26    browser_type, launch_arguments, server, tmpdir, is_chromium, is_win27):28    if is_chromium and is_win:29        pytest.skip("see https://github.com/microsoft/playwright/issues/717")30        return31    # Write a cookie in headful chrome32    headful_context = await browser_type.launch_persistent_context(33        tmpdir, **{**launch_arguments, "headless": False}34    )35    headful_page = await headful_context.new_page()36    await headful_page.goto(server.EMPTY_PAGE)37    await headful_page.evaluate(38        """() => document.cookie = 'foo=true; expires=Fri, 31 Dec 9999 23:59:59 GMT'"""39    )40    await headful_context.close()41    # Read the cookie from headless chrome42    headless_context = await browser_type.launch_persistent_context(43        tmpdir, **{**launch_arguments, "headless": True}44    )45    headless_page = await headless_context.new_page()46    await headless_page.goto(server.EMPTY_PAGE)47    cookie = await headless_page.evaluate("() => document.cookie")48    await headless_context.close()49    # This might throw. See https://github.com/GoogleChrome/puppeteer/issues/277850    assert cookie == "foo=true"51async def test_should_close_browser_with_beforeunload_page(52    browser_type, launch_arguments, server, tmpdir53):54    browser_context = await browser_type.launch_persistent_context(55        tmpdir, **{**launch_arguments, "headless": False}56    )57    page = await browser_context.new_page()58    await page.goto(server.PREFIX + "/beforeunload.html")59    # We have to interact with a page so that 'beforeunload' handlers60    # fire.61    await page.click("body")62    await browser_context.close()63async def test_should_not_crash_when_creating_second_context(64    browser_type, launch_arguments, server65):66    browser = await browser_type.launch(**{**launch_arguments, "headless": False})67    browser_context = await browser.new_context()68    await browser_context.new_page()69    await browser_context.close()70    browser_context = await browser.new_context()71    await browser_context.new_page()72    await browser_context.close()73    await browser.close()74async def test_should_click_background_tab(browser_type, launch_arguments, server):75    browser = await browser_type.launch(**{**launch_arguments, "headless": False})76    page = await browser.new_page()77    await page.set_content(78        f'<button>Hello</button><a target=_blank href="{server.EMPTY_PAGE}">empty.html</a>'79    )80    await page.click("a")81    await page.click("button")82    await browser.close()83async def test_should_close_browser_after_context_menu_was_triggered(84    browser_type, launch_arguments, server85):86    browser = await browser_type.launch(**{**launch_arguments, "headless": False})87    page = await browser.new_page()88    await page.goto(server.PREFIX + "/grid.html")89    await page.click("body", button="right")90    await browser.close()91async def test_should_not_block_third_party_cookies(92    browser_type, launch_arguments, server, is_chromium, is_firefox93):94    browser = await browser_type.launch(**{**launch_arguments, "headless": False})95    page = await browser.new_page()96    await page.goto(server.EMPTY_PAGE)97    await page.evaluate(98        """src => {99    let fulfill;100    const promise = new Promise(x => fulfill = x);101    const iframe = document.createElement('iframe');102    document.body.appendChild(iframe);103    iframe.onload = fulfill;104    iframe.src = src;105    return promise;106  }""",107        server.CROSS_PROCESS_PREFIX + "/grid.html",108    )109    document_cookie = await page.frames[1].evaluate(110        """() => {111    document.cookie = 'username=John Doe';112    return document.cookie;113  }"""114    )115    await page.wait_for_timeout(2000)116    allows_third_party = is_chromium or is_firefox117    assert document_cookie == ("username=John Doe" if allows_third_party else "")118    cookies = await page.context.cookies(server.CROSS_PROCESS_PREFIX + "/grid.html")119    if allows_third_party:120        assert cookies == [121            {122                "domain": "127.0.0.1",123                "expires": -1,124                "httpOnly": False,125                "name": "username",126                "path": "/",127                "sameSite": "None",128                "secure": False,129                "value": "John Doe",130            }131        ]132    else:133        assert cookies == []134    await browser.close()135@pytest.mark.skip_browser("webkit")136async def test_should_not_override_viewport_size_when_passed_null(137    browser_type, launch_arguments, server138):139    # Our WebKit embedder does not respect window features.140    browser = await browser_type.launch(**{**launch_arguments, "headless": False})141    context = await browser.new_context(no_viewport=True)142    page = await context.new_page()143    await page.goto(server.EMPTY_PAGE)144    async with page.expect_popup() as popup_info:145        await page.evaluate(146            """() => {147                const win = window.open(window.location.href, 'Title', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=600,height=300,top=0,left=0');148                win.resizeTo(500, 450);149            }"""150        )151    popup = await popup_info.value152    await popup.wait_for_load_state()153    await popup.wait_for_function(154        """() => window.outerWidth === 500 && window.outerHeight === 450"""155    )156    await context.close()157    await browser.close()158@flaky159async def test_page_bring_to_front_should_work(browser_type, launch_arguments):160    browser = await browser_type.launch(**{**launch_arguments, "headless": False})161    page1 = await browser.new_page()162    await page1.set_content("Page1")163    page2 = await browser.new_page()164    await page2.set_content("Page2")165    await page1.bring_to_front()166    assert await page1.evaluate("document.visibilityState") == "visible"167    assert await page2.evaluate("document.visibilityState") == "visible"168    await page2.bring_to_front()169    assert await page1.evaluate("document.visibilityState") == "visible"170    assert await page2.evaluate("document.visibilityState") == "visible"...

runner_interpreter.py

Source:runner_interpreter.py

1"""Transform runner parameters to data usable for runtime execution"""2import os3import shlex4import stat5from lutris.util import system6from lutris.util.linux import LINUX_SYSTEM7from lutris.util.log import logger8def get_mangohud_conf(system_config):9    """Return correct launch arguments and environment variables for Mangohud."""10    mango_args = []11    mangohud = system_config.get("mangohud") or ""12    if mangohud and system.find_executable("mangohud"):13        if mangohud == "gl32":14            mango_args = ["mangohud.x86"]15        else:16            mango_args = ["mangohud"]17    return mango_args, {"MANGOHUD": "1", "MANGOHUD_DLSYM": "1"}18def get_launch_parameters(runner, gameplay_info):19    system_config = runner.system_config20    launch_arguments = gameplay_info["command"]21    env = {22        "DISABLE_LAYER_AMD_SWITCHABLE_GRAPHICS_1": "1"23    }24    # Steam compatibility25    if os.environ.get("SteamAppId"):26        logger.info("Game launched from steam (AppId: %s)", os.environ["SteamAppId"])27        env["LC_ALL"] = ""28    # Optimus29    optimus = system_config.get("optimus")30    if optimus == "primusrun" and system.find_executable("primusrun"):31        launch_arguments.insert(0, "primusrun")32    elif optimus == "optirun" and system.find_executable("optirun"):33        launch_arguments.insert(0, "virtualgl")34        launch_arguments.insert(0, "-b")35        launch_arguments.insert(0, "optirun")36    elif optimus == "pvkrun" and system.find_executable("pvkrun"):37        launch_arguments.insert(0, "pvkrun")38    mango_args, mango_env = get_mangohud_conf(system_config)39    if mango_args:40        launch_arguments = mango_args + launch_arguments41        env.update(mango_env)42    # Libstrangle43    fps_limit = system_config.get("fps_limit") or ""44    if fps_limit:45        strangle_cmd = system.find_executable("strangle")46        if strangle_cmd:47            launch_arguments = [strangle_cmd, fps_limit] + launch_arguments48        else:49            logger.warning("libstrangle is not available on this system, FPS limiter disabled")50    prefix_command = system_config.get("prefix_command") or ""51    if prefix_command:52        launch_arguments = (shlex.split(os.path.expandvars(prefix_command)) + launch_arguments)53    single_cpu = system_config.get("single_cpu") or False54    if single_cpu:55        limit_cpu_count = system_config.get("limit_cpu_count")56        if limit_cpu_count and limit_cpu_count.isnumeric():57            limit_cpu_count = int(limit_cpu_count)58        else:59            limit_cpu_count = 160        limit_cpu_count = max(1, limit_cpu_count)61        logger.info("The game will run on %d CPU core(s)", limit_cpu_count)62        launch_arguments.insert(0, "0-%d" % (limit_cpu_count - 1))63        launch_arguments.insert(0, "-c")64        launch_arguments.insert(0, "taskset")65    env.update(runner.get_env())66    env.update(gameplay_info.get("env") or {})67    # Set environment variables dependent on gameplay info68    # LD_PRELOAD69    ld_preload = gameplay_info.get("ld_preload")70    if ld_preload:71        env["LD_PRELOAD"] = ld_preload72    # LD_LIBRARY_PATH73    game_ld_library_path = gameplay_info.get("ld_library_path")74    if game_ld_library_path:75        ld_library_path = env.get("LD_LIBRARY_PATH")76        env["LD_LIBRARY_PATH"] = os.pathsep.join(filter(None, [77            game_ld_library_path, ld_library_path]))78    # Feral gamemode79    gamemode = system_config.get("gamemode") and LINUX_SYSTEM.gamemode_available()80    if gamemode:81        launch_arguments.insert(0, "gamemoderun")82    # Gamescope83    gamescope = system_config.get("gamescope") and system.find_executable("gamescope")84    if gamescope:85        launch_arguments = get_gamescope_args(launch_arguments, system_config)86    return launch_arguments, env87def get_gamescope_args(launch_arguments, system_config):88    """Insert gamescope at the start of the launch arguments"""89    launch_arguments.insert(0, "--")90    launch_arguments.insert(0, "-f")91    if system_config.get("gamescope_output_res"):92        output_width, output_height = system_config["gamescope_output_res"].lower().split("x")93        launch_arguments.insert(0, output_height)94        launch_arguments.insert(0, "-H")95        launch_arguments.insert(0, output_width)96        launch_arguments.insert(0, "-W")97    if system_config.get("gamescope_game_res"):98        game_width, game_height = system_config["gamescope_game_res"].lower().split("x")99        launch_arguments.insert(0, game_height)100        launch_arguments.insert(0, "-h")101        launch_arguments.insert(0, game_width)102        launch_arguments.insert(0, "-w")103    launch_arguments.insert(0, "gamescope")104    return launch_arguments105def export_bash_script(runner, gameplay_info, script_path):106    """Convert runner configuration into a bash script"""107    if getattr(runner, 'prelaunch', None) is not None:108        runner.prelaunch()109    command, env = get_launch_parameters(runner, gameplay_info)110    # Override TERM otherwise the script might not run111    env["TERM"] = "xterm"112    script_content = "#!/bin/bash\n\n\n"113    script_content += "# Environment variables\n"114    for name, value in env.items():115        script_content += 'export %s="%s"\n' % (name, value)116    script_content += "\n# Command\n"117    script_content += " ".join([shlex.quote(c) for c in command])118    with open(script_path, "w", encoding='utf-8') as script_file:119        script_file.write(script_content)...

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.

Chapters:

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.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
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.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
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.