The asyncio REPL reaches for `PYTHONSTARTUP` in isolated mode

[johnslavik]

Bug report

Bug description:

https://docs.python.org/3/using/cmdline.html#cmdoption-I

Current:

$ PYTHONSTARTUP=<(echo 'print("you should not be seeing this!")') ./python -Iqm asyncio
you should not be seeing this!
>>> import asyncio
>>>

Expected:

$ PYTHONSTARTUP=<(echo 'print("you should not be seeing this!")') ./python -Iqm asyncio
>>> import asyncio
>>>

CPython versions tested on:

CPython main branch

Operating systems tested on:

Linux

Linked PRs

• gh-140648: Make asyncio REPL respect the -I flag (isolated mode) #143045
• [3.14] gh-140648: Make asyncio REPL respect the -I flag (isolated mode) (GH-143045) #143383
• [3.13] gh-140648: Make asyncio REPL respect the -I flag (isolated mode) (GH-143045) #143384

[johnslavik]

@ZeroIntensity (mentorship) labels: stdlib, topic-asyncio, topic-repl, 3.13, 3.14.

[ZeroIntensity]

Do you want the 3.15 label too?

[johnslavik]

Do you want the 3.15 label too?

Yes! Missed that. Thanks :-)