Browser executable not found when PLAYWRIGHT_BROWSERS_PATH is 0

[muffinmad]

Steps to reproduce:

1. mkvirtualenv pyplaywright
2. pip install playwright==1.8.0a1
3. PLAYWRIGHT_BROWSERS_PATH=0 python -m playwright install chromium

chromium v844399 downloaded to /Users/mad/.virtualenvs/pyplaywright/lib/python3.7/site-packages/playwright/driver/package/.local-browsers/chromium-844399

4. PLAYWRIGHT_BROWSERS_PATH=0 python

>>> from playwright.sync_api import sync_playwright
>>> with sync_playwright() as p:
...     p.chromium.launch()
... 
playwright._impl._api_types.Error: Failed to launch chromium because executable doesn't exist at /Users/mad/.virtualenvs/html2pdf/lib/python3.7/site-packages/playwright/driver/package/lib/cli/.local-browsers/chromium-844399/chrome-mac/Chromium.app/Contents/MacOS/Chromium

The search path is differs from the installation path.

[mxschmitt]

PLAYWRIGHT_BROWSERS_PATH is not supported for Python afaik. What are you trying to achieve?

The driver is in the Python module directory and the browsers are globally located: https://playwright.dev/docs/installation?_highlight=playwright_browsers_path#managing-browser-binaries maybe that helps you.

[pavelfeldman]

It should work. I think we recently fixed it.

[dgozman]

This was fixed in microsoft/playwright#5217.

[muffinmad]

I was trying to do hermetic install and place binaries under the site-packages/playwright folder as noted in this installation instruction.

I'm unable to pip install git+https://github.com/microsoft/playwright-python, I'll wait the next release on pypi.

Thanks!

[dgozman]

I was trying to do hermetic install and place binaries under the site-packages/playwright folder as noted in this installation instruction.

You were doing the right thing, it was broken. Next v1.9 release (coming soon) will have it fixed. Thank you!

[ebzimny01]

It's not clear to me. Is this supposed to be resolved for Windows too? Or only Linux?

If I create a virtualenv in Linux and set the PLAYWRIGHT_BROWSERS_PATH=0, it will place the installed browser in the virtualenv:

1. mkvirtualenv testenv

2. pip install playwright

3. PLAYWRIGHT_BROWSERS_PATH=0 python -m playwright install firefox
   /.virtualenvs/testenv/lib/python3.8/site-packages/playwright/driver/package/.local-browsers/firefox-1234

4. PLAYWRIGHT_BROWSERS_PATH=0 python

5. Then run the sample code above and it will find the firefox browser in the virtualenv correctly.

But when I attempt this in Win10, it always places the browser in the local user profile in the ms-playwright folder, never within the virtualenv:

1. python -m venv testenv
2. set PLAYWRIGHT_BROWSERS_PATH=0
3. pip install playwright
4. playwright install firefox
   firefox v1234 downloaded to C:\Users\user1\AppData\Local\ms-playwright\firefox-1234

Any thoughts?

[mxschmitt]

You are inside PowerShell, if you are inside PowerShell you need to set environment variables by doing the following:

$Env:PLAYWRIGHT_BROWSERS_PATH=0

then it works for me.