diff --git a/mesonbuild/scripts/python_info.py b/mesonbuild/scripts/python_info.py index 9c3a0791ac90..65597b12167d 100755 --- a/mesonbuild/scripts/python_info.py +++ b/mesonbuild/scripts/python_info.py @@ -13,7 +13,6 @@ del sys.path[0] import json, os, sysconfig -import distutils.command.install def get_distutils_paths(scheme=None, prefix=None): import distutils.dist @@ -37,15 +36,32 @@ def get_distutils_paths(scheme=None, prefix=None): # default scheme to a custom one pointing to /usr/local and replacing # site-packages with dist-packages. # See https://github.com/mesonbuild/meson/issues/8739. -# XXX: We should be using sysconfig, but Debian only patches distutils. +# +# We should be using sysconfig, but before 3.10.3, Debian only patches distutils. +# So we may end up falling back. -if 'deb_system' in distutils.command.install.INSTALL_SCHEMES: - paths = get_distutils_paths(scheme='deb_system') - install_paths = get_distutils_paths(scheme='deb_system', prefix='') -else: - paths = sysconfig.get_paths() +def get_install_paths(): + if sys.version_info >= (3, 10): + scheme = sysconfig.get_default_scheme() + else: + scheme = sysconfig._get_default_scheme() + + if sys.version_info >= (3, 10, 3): + if 'deb_system' in sysconfig.get_scheme_names(): + scheme = 'deb_system' + else: + import distutils.command.install + if 'deb_system' in distutils.command.install.INSTALL_SCHEMES: + paths = get_distutils_paths(scheme='deb_system') + install_paths = get_distutils_paths(scheme='deb_system', prefix='') + return paths, install_paths + + paths = sysconfig.get_paths(scheme=scheme) empty_vars = {'base': '', 'platbase': '', 'installed_base': ''} - install_paths = sysconfig.get_paths(vars=empty_vars) + install_paths = sysconfig.get_paths(scheme=scheme, vars=empty_vars) + return paths, install_paths + +paths, install_paths = get_install_paths() def links_against_libpython(): from distutils.core import Distribution, Extension