Fix installation failure when Python is from macOS Command Line Tools - #187
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caorantaoyao wants to merge 2 commits into
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Fix installation failure when Python is from macOS Command Line Tools#187caorantaoyao wants to merge 2 commits into
caorantaoyao wants to merge 2 commits into
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This was referenced Aug 10, 2026
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When python3 is provided by the macOS Xcode Command Line Tools (e.g. /usr/bin/python3 -> /Library/Developer/CommandLineTools/usr/bin/python3), the cpython venv it creates carries an unresolvable @executable_path/../Python3 loader reference in bin/python, so pip fails with a dyld error and the poetry install aborts.
This change makes VirtualEnvironment.make() detect that situation (sys.platform == "darwin" and /Library/Developer/CommandLineTools in sys.executable) and route through the existing robust virtualenv.pyz bootstrap (--clear --always-copy) instead of the broken cpython venv path. The branch is additive and guarded to darwin + CommandLineTools only; the normal cpython venv path is unchanged.
A new test (tests/test_installer.py) mocks the darwin/CLT interpreter and asserts the --always-copy bootstrap is used.