Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use set_extra_http_headers method in Playwright Python

Best Python code snippet using playwright-python

test_network.py

Source:test_network.py

...431    page.on("request", lambda r: requests.append(r))432    await page.goto(server.PREFIX + "/pptr.png")433    assert requests[0].is_navigation_request()434async def test_set_extra_http_headers_should_work(page, server):435    await page.set_extra_http_headers({"foo": "bar"})436    request = (437        await asyncio.gather(438            server.wait_for_request("/empty.html"),439            page.goto(server.EMPTY_PAGE),440        )441    )[0]442    assert request.getHeader("foo") == "bar"443async def test_set_extra_http_headers_should_work_with_redirects(page, server):444    server.set_redirect("/foo.html", "/empty.html")445    await page.set_extra_http_headers({"foo": "bar"})446    request = (447        await asyncio.gather(448            server.wait_for_request("/empty.html"),449            page.goto(server.PREFIX + "/foo.html"),450        )451    )[0]452    assert request.getHeader("foo") == "bar"453async def test_set_extra_http_headers_should_work_with_extra_headers_from_browser_context(454    browser, server455):456    context = await browser.new_context()457    await context.set_extra_http_headers({"foo": "bar"})458    page = await context.new_page()459    request = (460        await asyncio.gather(461            server.wait_for_request("/empty.html"),462            page.goto(server.EMPTY_PAGE),463        )464    )[0]465    await context.close()466    assert request.getHeader("foo") == "bar"467async def test_set_extra_http_headers_should_override_extra_headers_from_browser_context(468    browser, server469):470    context = await browser.new_context(extra_http_headers={"fOo": "bAr", "baR": "foO"})471    page = await context.new_page()472    await page.set_extra_http_headers({"Foo": "Bar"})473    request = (474        await asyncio.gather(475            server.wait_for_request("/empty.html"),476            page.goto(server.EMPTY_PAGE),477        )478    )[0]479    await context.close()480    assert request.getHeader("foo") == "Bar"481    assert request.getHeader("bar") == "foO"482async def test_set_extra_http_headers_should_throw_for_non_string_header_values(483    page, server484):485    error = None486    try:487        await page.set_extra_http_headers({"foo": 1})488    except Error as exc:489        error = exc...

network.py

Source:network.py

...354    :param max_resource_size: Maximum per-resource size.355    '''356    session = get_session_context('network.set_data_size_limits_for_test')357    return await session.execute(cdp.network.set_data_size_limits_for_test(max_total_size, max_resource_size))358async def set_extra_http_headers(359        headers: Headers360    ) -> None:361    '''362    Specifies whether to always send extra HTTP headers with the requests from this page.363    :param headers: Map with extra HTTP headers.364    '''365    session = get_session_context('network.set_extra_http_headers')366    return await session.execute(cdp.network.set_extra_http_headers(headers))367async def set_request_interception(368        patterns: typing.List[RequestPattern]369    ) -> None:370    '''371Sets the requests to intercept that match the provided patterns and optionally resource types.372Deprecated, please use Fetch.enable instead.373.. deprecated:: 1.3374**EXPERIMENTAL**375:param patterns: Requests matching any of these patterns will be forwarded and wait for the corresponding continueInterceptedRequest call.376.. deprecated:: 1.3377'''378    session = get_session_context('network.set_request_interception')379    return await session.execute(cdp.network.set_request_interception(patterns))380async def set_user_agent_override(...

main.py

Source:main.py

1import os2import sys3import shutil4import argparse5from bowler import Query6methods = [7    ("addInitScript", "add_init_script"),8    ("addScriptTag", "add_script_tag"),9    ("addStyleTag", "add_style_tag"),10    ("bringToFront", "bring_to_front"),11    ("dispatchEvent", "dispatch_event"),12    ("emulateMedia", "emulate_media"),13    ("evalOnSelector", "eval_on_selector"),14    ("evalOnSelectorAll", "eval_on_selector_all"),15    ("evaluateHandle", "evaluate_handle"),16    ("expectDownload", "expect_download"),17    ("expectFileChooser", "expect_file_chooser"),18    ("exposeBinding", "expose_binding"),19    ("exposeFunction", "expose_function"),20    ("newPage", "new_page"),21    ("newContext", "new_context"),22    ("innerHTML", "inner_html"),23    ("innerText", "inner_text"),24    ("setContent", "set_content"),25    ("setDefaultNavigationTimeout", "set_default_navigation_timeout"),26    ("setDefaultTimeout", "set_default_timeout"),27    ("setExtraHTTPHeaders", "set_extra_http_headers"),28    ("setInputFiles", "set_input_files"),29    ("setViewportSize", "set_viewport_size"),30    ("textContent", "text_content"),31    ("viewportSize", "viewport_size"),32    ("waitForEvent", "wait_for_event"),33    ("waitForFunction","wait_for_function"),34    ("waitForLoadState", "wait_for_load_state"),35    ("waitForSelector", "wait_for_selector"),36    ("querySelector", "query_selector"),37    ("querySelectorAll", "query_selector_all"),38    ("waitForTimeout","wait_for_timeout"),39]40class RefactorTool:41    def __init__(self, input, nobackups, show_diffs):42        """43        Args:44            input: path to file to be refactored.45            nobackups: If true no backup '.bak' files will be created for those46                files that are being refactored.47            show_diffs: Should diffs of the refactoring be printed to stdout?48        """49        self.nobackups = nobackups50        self.show_diffs = show_diffs51        self.fn = input52        self.query = Query([self.fn])53    def rename_methods(self):54        for old_name, new_name in methods:55            self.query.select_method(old_name).rename(new_name)56    def fix_imports(self):57        # Fix old style: from playwright import sync_playwright58        self.query.select_module("sync_playwright").select_module("playwright").rename(59            "playwright.sync_api"60        )61        pass62    def output_diffs(self):63        self.query.diff()64    def write_file(self):65        if not self.nobackups:66            # Make a backup before refactor67            backup = self.fn + ".bak"68            if os.path.lexists(backup):69                try:70                    os.remove(backup)71                except OSError as err:72                    self.log_message("Cannot remove backup %s" % backup)73            try:74                shutil.copyfile(self.fn, backup)75            except OSError as err:76                self.log_message("Cannot copy %s to %s" % (self.fn, backup))77        self.query.write()78    def log_message(self, msg):79        print("Info: " + msg)80    def log_error(self, msg):81        print("Error: " + msg)82def main(args=sys.argv[1:]):83    """Main program.84    Args:85        args: optional; a list of command line arguments. If omitted,86              sys.argv[1:] is used.87    """88    # Set up arg parser89    parser = argparse.ArgumentParser(description="Migrate playwright code to 1.8+")90    parser.add_argument(91        "--no-diffs",92        action="store_true",93        default=False,94        help="Don't show diffs of the refactoring",95    )96    parser.add_argument(97        "-n",98        "--nobackups",99        action="store_true",100        default=False,101        help="Don't write backups for modified files",102    )103    parser.add_argument(104        "-w",105        "--write",106        action="store_true",107        default=False,108        help="Write back modified files",109    )110    parser.add_argument("path", metavar="path", type=str, help="the path to the file")111    args = parser.parse_args()112    fix = RefactorTool(args.path, nobackups=False, show_diffs=(not args.no_diffs))113    fix.fix_imports()114    fix.rename_methods()115    if not args.no_diffs:116        fix.output_diffs()117    if args.write:118        fix.write_file()119if __name__ == "__main__":...

example.py

Source:example.py

...82    context = await mocks(browser)83    page = await context.new_page()84    # Mocking:85    await plugins(page, 5)86    await page.set_extra_http_headers(headers=HEADERS)87    return browser, page88async def main():89    async with async_playwright() as p:90        browser, page = await get_chromium_browser_and_page(p, use_proxy=False)91        await asyncio.sleep(1)92        response = await page.goto(93            url=FINGERPRINT_STUNDZIALT,94            wait_until='networkidle',95        )96        await asyncio.sleep(2)97        await page.screenshot(path="test_playwright.png")98        print("Response status: ", response.status)99if __name__ == '__main__':100    asyncio.run(main())

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.