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