fix: fix launching Python 3.11 from <3.8 on macOS #1709
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On macOS, some older versions of Python leak __PYVENV_LAUNCHER__ into the interpreter's environment variables. Starting with Python 3.11, this causes problems with Python being able to start correctly when launched from the Python bootstrap template. This change introduces a workaround to prevent the problematic environment variable from leaking into launched subprocesses. I've verified this problem exists with the version of Python 3.7 included with Xcode, and there are reports of it also being an issue with the Python 3.8 included with Xcode. Later versions of Python have fixed this. Context: - https://issues.pigweed.dev/310293060 - xonsh/xonsh#3576 (comment) - pypa/virtualenv#1458
rickeylev
approved these changes
Jan 23, 2024
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On macOS, some older versions of Python leak PYVENV_LAUNCHER into
the interpreter's environment variables. Starting with Python 3.11, this
causes problems with Python being able to start correctly when launched
from the Python bootstrap template. This change introduces a workaround
to prevent the problematic environment variable from leaking into
launched subprocesses.
I've verified this problem exists with the version of Python 3.7
included with Xcode, and there are reports of it also being an issue
with the Python 3.8 included with Xcode. Later versions of Python have
fixed this.
Context: