Skip to content

fix: avoid PYTHON_VERSION breaking uv if set #2795

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
henryiii wants to merge 2 commits into
base: main
Choose a base branch
from
Open

fix: avoid PYTHON_VERSION breaking uv if set #2795

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ef162a6
fix: avoid PYTHON_VERSION breaking uv if set
henryiii Mar 23, 2026
f447e9f
fix: also keep UV_PYTHON out
henryiii Mar 23, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions cibuildwheel/platforms/macos.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -258,6 +258,10 @@ def setup_python(
# https://github.com/pypa/virtualenv/issues/620
# Also see https://github.com/python/cpython/pull/9516
env.pop("__PYVENV_LAUNCHER__", None)
# uv uses this over the current environment's python, so remove it to avoid confusion
env.pop("PYTHON_VERSION", None)
env.pop("PYTHON_ARCH", None)
env.pop("UV_PYTHON", None)

# we version pip ourselves, so we don't care about pip version checking
env["PIP_DISABLE_PIP_VERSION_CHECK"] = "1"
Expand Down
7 changes: 4 additions & 3 deletions cibuildwheel/platforms/windows.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -284,13 +284,14 @@ def setup_python(
use_uv=use_uv,
)

# update env with results from CIBW_ENVIRONMENT
env = environment.as_dictionary(prev_environment=env)

# set up environment variables for run_with_env
env["PYTHON_VERSION"] = python_configuration.version
env["PYTHON_ARCH"] = python_configuration.arch
env["PIP_DISABLE_PIP_VERSION_CHECK"] = "1"

# update env with results from CIBW_ENVIRONMENT
env = environment.as_dictionary(prev_environment=env)
env.pop("UV_PYTHON", None)

# check what Python version we're on
where_python = call("where", "python", env=env, capture_stdout=True).splitlines()[0].strip()
Expand Down
Loading