name : _framework_compat.py """ Backward compatibility for homebrew builds on macOS. """ import sys import os import functools import subprocess import sysconfig @functools.lru_cache() def enabled(): """ Only enabled for Python 3.9 framework homebrew builds except ensurepip and venv. """ PY39 = (3, 9) < sys.version_info < (3, 10) framework = sys.platform == 'darwin' and sys._framework homebrew = "Cellar" in sysconfig.get_config_var('projectbase') venv = sys.prefix != sys.base_prefix ensurepip = os.environ.get("ENSUREPIP_OPTIONS") return PY39 and framework and homebrew and not venv and not ensurepip schemes = dict( osx_framework_library=dict( stdlib='{installed_base}/{platlibdir}/python{py_version_short}', platstdlib='{platbase}/{platlibdir}/python{py_version_short}', purelib='{homebrew_prefix}/lib/python{py_version_short}/site-packages', platlib='{homebrew_prefix}/{platlibdir}/python{py_version_short}/site-packages', include='{installed_base}/include/python{py_version_short}{abiflags}', platinclude='{installed_platbase}/include/python{py_version_short}{abiflags}', scripts='{homebrew_prefix}/bin', data='{homebrew_prefix}', ) ) @functools.lru_cache() def vars(): if not enabled(): return {} homebrew_prefix = subprocess.check_output(['brew', '--prefix'], text=True).strip() return locals() def scheme(name): """ Override the selected scheme for posix_prefix. """ if not enabled() or not name.endswith('_prefix'): return name return 'osx_framework_library'