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fix: run python version call in isolated mode #2761

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Merged
merged 1 commit into from
Apr 9, 2025
Merged

fix: run python version call in isolated mode #2761

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -91,6 +91,7 @@ Unreleased changes template.
Fixes [#2685](https://github.com/bazel-contrib/rules_python/issues/2685).
* (toolchains) Run the check on the Python interpreter in isolated mode, to ensure it's not affected by userland environment variables, such as `PYTHONPATH`.
* (toolchains) Ensure temporary `.pyc` and `.pyo` files are also excluded from the interpreters repository files.
* (pypi) Run interpreter version call in isolated mode, to ensure it's not affected by userland environment variables, such as `PYTHONPATH`.

{#v0-0-0-added}
### Added
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4 changes: 4 additions & 0 deletions python/private/pypi/whl_library.bzl
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Expand Up @@ -109,6 +109,10 @@ def _get_toolchain_unix_cflags(rctx, python_interpreter, logger = None):
op = "GetPythonVersionForUnixCflags",
python = python_interpreter,
arguments = [
# Run the interpreter in isolated mode, this options implies -E, -P and -s.
# Ensures environment variables are ignored that are set in userspace, such as PYTHONPATH,
# which may interfere with this invocation.
"-I",
"-c",
"import sys; print(f'{sys.version_info[0]}.{sys.version_info[1]}', end='')",
],
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