Cole Miller 6a1648825c windows: Detect when python3 is not usable and notify the user (#40070) ...

Fixes #39998

Debugpy and pylsp are installed in a Zed-global venv with pip. We need a
Python interpreter to create this venv when it doesn't exist and one of
these tools needs to be installed, and sometimes we attempt to use
`python3` from `$PATH`. This can cause issues on Windows, where out of
the box `python3` is a sort of shim that opens the Microsoft Store app.

This PR changes the debugpy installation path to create the Zed-global
venv using the Python interpreter from a venv in the project, and only
use python3 from `$PATH` if that fails. That matches how pylsp
installation already works. It also tightens up how we search for a
global Python installation by doing a basic sanity check (`python3 -c
'print(1 + 2)`) before accepting it, which should catch the Windows
shim.

Release Notes:

- windows: improved the behavior of Zed in situations where no global
Python installation exists.

2025-10-13 21:11:33 +00:00

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