How does pants find its version of python? I use asdf and have 3.10.11, 3.11.3, and 3.12 installed. I also happen to have 3.11.6 installed via Homebrew (from before I used asdf). Right now I use asdf to set python to 3.12. My pants.toml specifies anything from >=3.11. For some reason, pants always latch on to the 3.11.6 in Homebrew, so that when I export the venv, VS code gets very confused and can't find the venv at all, and none of the packages used in the repo is detected.

It uses the paths configured using this option: https://www.pantsbuild.org/docs/reference-python-bootstrap#search_path

Do I add that to pants.toml?

Yep! E.g.

[python-bootstrap]
search_path = ["<ASDF>"]

Progress! But now this error:

Interpreters were found but they all appear to be broken:
1.) /Users/joe/.asdf/installs/python/3.12.0/bin/python3.12:
Traceback (most recent call last):
  File "<string>", line 4, in <module>
  File "/Users/joe/.cache/pants/named_caches/pex_root/isolated/3754108aac57ec0c996f3414782585924aee601c/pex/atomic_directory.py", line 23, in <module>
    from pex.third_party import attr
ImportError: cannot import name 'attr' from 'pex.third_party' (/Users/joe/.cache/pants/named_caches/pex_root/isolated/3754108aac57ec0c996f3414782585924aee601c/pex/third_party/__init__.py)

(See <https://github.com/pantsbuild/pex/issues/1027> for a list of known breaks and workarounds.)

Seems like PEX does not support Py 3.12 until 2.1.139. Not sure which version of PEX your Pants version uses.

pants is not yet using 2.1.139, latest

main

is still on

.137

. You can upgrade manually by updating the corresponding options in your

pants.toml

to tell pants to use a newer version.

Thanks.

example config to upgrade: https://pantsbuild.slack.com/archives/C046T6T9U/p1692645008425849?thread_ts=1692644364.840149&cid=C046T6T9U