How to use test_browser_context_output_trace_chunk method in Playwright Python

As mentioned in the comments, your tests should be independent and indeed this can be achieved with database fixtures. One way to achieve this and worked really well for me is by using testcontainers: https://github.com/testcontainers/testcontainers-python.

A fixture might look like this in pytest with, in my case, a Postgress database:

@pytest.fixture(scope="module", name="session_for_db_in_testcontainer")
def db_engine():
    """
    Creates testcontainer with Postgres db
    """
    pg_container = PostgresContainer('postgres:latest')
    pg_container.start()

    # Fireup the SQLModel engine with the uri of the container
    db_engine = create_engine(pg_container.get_connection_url())
    sqlmodel_metadata.create_all(db_engine)

    with Session(db_engine) as session_for_db_in_testcontainer:
        # add some rows to start, for test get requests and posting existing data
        add_data_to_test_db(database_input_path, session_for_db_in_testcontainer)
        yield session_for_db_in_testcontainer

    # Will be executed after the last test
    session_for_db_in_testcontainer.close()
    pg_container.stop()

Like this during the test run a (Postgres) DB is created it only runs during a session, module or function depending on the scope of the fixture. If you want, you can add test data to the db as well like in the example.

You can use the not_be_visible expect assertion for this.

expect('element CSS here').not_to_be_visible()

By default expect assertions have a 5 second timeout, in case you want to increase the timeout, you can do like this:

expect('element CSS here').not_to_be_visible(timeout=7000)

Thanks for the question. I'll share what's possible today, and we would be happy to make changes if you could share your scenario as an issue on playwright-python.

playwright-python can work with environment variables like outlined in the linked doc. For example, you can set environment variable for PLAYWRIGHT_BROWSERS_PATH to specify a custom location for your browser binaries.

It is recommended to use Playwright against bundled browser binaries, since Playwright can often depend on browser-side changes that might not be available in older versions. These browser-side changes are done with the intent to improve execution reliability and breadth of Playwright capabilities.

In case you do want to use Playwright against a non-bundled browser binary, you can set the executablePath while launching a browser. For example, the script below launches Edge instead of the bundled Chromium binary.

Python 3.8.0 (default, Sep 21 2020, 12:25:40)
[Clang 12.0.0 (clang-1200.0.32.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from playwright import sync_playwright
>>> pw = sync_playwright().start()
>>> browser = pw.chromium.launch(headless=False, executablePath='/Applications/Microsoft Edge Dev.app/Contents/MacOS/Microsoft Edge Dev')

We do not provide browser specific packages like playwright-chromium for Python today, but we are happy to collect feedback on it and make changes.

I managed to make a code that closes only a specific tab!

all_pages = page.context.pages
await all_pages[1].close()

If you want a Playwright image with Python instead of the Playwright image with Node you have currently set,

do

FROM mcr.microsoft.com/playwright/python:v1.23.0-focal

instead. You won't then need to install python3-pip (or playwright!) at all.

Additionally, you'll probably want to explicitly spell out python3 instead of python:

FROM mcr.microsoft.com/playwright/python:v1.23.0-focal
RUN pip3 install TikTokApi
RUN playwright install
COPY . .

There are many things you can improve there.

• First, you can read the text area value using page.locator('#startText').value()
• Then, you click on the check button. Don't wait using wait_for_load_state, because the page is not navigating.
• After the check action there is an SPAN element inside the "#inside" div. You can do page.locator('#inside SPAN').inner_html(). The inner_html function will wait for the element for you.

Playwright has no method get_by_role.

Try this:

page.locator('link[name="Log in"]').click()

You can give the locator method any CSS or Xpath expression.

you cant get the contents of a dynamic website like youtube using requests. sorry to be so direct, but this is the truth.

you need first to get to the url, then render the response using something like chromium in the background, then pass the results to beautiful soup.

the rendering will take 1-2 seconds. this is how its done.

there is a snippet for extracting the dynamic website contents which then are passed to BeautifulSoup

# pip install playwright
from playwright.sync_api import sync_playwright
# after installing you will get prompted
# to install `chromium`, the `thing` i was talking about
from bs4 import BeautifulSoup


def get_dynamic_soup(url: str) -> BeautifulSoup:
    with sync_playwright() as p:
        # Launch the browser
        browser = p.chromium.launch()

        # Open a new browser page
        page = browser.new_page()

        # Open our test file in the opened page
        page.goto(url)

        # Process extracted content with BeautifulSoup
        soup = BeautifulSoup(page.content(), "html.parser")

        browser.close()

        return soup

# quote is defined in your code
_url = "https://www.youtube.com/results?search_query=" + quote(" ".join(searchTerm[:-2]))
soup = get_dynamic_soup(_url)
# now you can do whatever you want with the soup

then you can do your stuff:

videos = soup.findAll(attrs={"class":"yt-uix-tile-link"})[1:4]

to install playwright

python -m pip install playwright # this installs the python package
python -m playwright install # this install the chromium executable

docs for installation

EDIT i found a bug in your code this line

videos = soup.findAll(attrs={"class":"yt-uix-tile-link"})[1:4]

is wrong because you need to specify the HTML element you want to search for

a good example is:

videos = soup.findAll("div", attrs={
    "class": "yt-uix-tile-link"
})[1:4]
# or 
videos = soup.findAll("span", attrs={
    "class": "yt-uix-tile-link"
})[1:4]
# or whatever element it is

It would appear that when you run the script on your server, the user you're using does not have permission to create either the local_save directory or the path to that directory. On a Unix-like system, /var and most of its subdirectories are generally writable only by root. The exception is /var/tmp. If you change your local_save variable to be

local_save = '/var/tmp/apis/tceprotocolo'

and prior to calling your function, call

os.makedirs(local_save)

then your function should successfully write output to that directory.