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Debian: Add our install schemes to sysconfig
This adds two schemes:
1. deb_system: Debian's installed Python layout, with modules in
dist-packages shared across Python versions.
2. posix_local: A clone of posix_prefix that includes a built-in local
prefix for the dist-packages and binary paths. We default to this to redict
local installations into /usr/local.
--- a/Lib/sysconfig/__init__.py
+++ b/Lib/sysconfig/__init__.py
@@ -38,6 +38,30 @@
'scripts': '{base}/bin',
'data': '{base}',
},
+ 'deb_system': {
+ 'stdlib': '{installed_base}/lib/python{py_version_short}',
+ 'platstdlib': '{platbase}/lib/python{py_version_short}',
+ 'purelib': '{base}/lib/python3/dist-packages',
+ 'platlib': '{platbase}/lib/python3/dist-packages',
+ 'include':
+ '{installed_base}/include/python{py_version_short}{abiflags}',
+ 'platinclude':
+ '{installed_platbase}/include/python{py_version_short}{abiflags}',
+ 'scripts': '{base}/bin',
+ 'data': '{base}',
+ },
+ 'posix_local': {
+ 'stdlib': '{installed_base}/lib/python{py_version_short}',
+ 'platstdlib': '{platbase}/lib/python{py_version_short}',
+ 'purelib': '{base}/local/lib/python{py_version_short}/dist-packages',
+ 'platlib': '{platbase}/local/lib/python{py_version_short}/dist-packages',
+ 'include':
+ '{installed_base}/include/python{py_version_short}{abiflags}',
+ 'platinclude':
+ '{installed_platbase}/include/python{py_version_short}{abiflags}',
+ 'scripts': '{base}/local/bin',
+ 'data': '{base}/local',
+ },
'posix_home': {
'stdlib': '{installed_base}/lib/{implementation_lower}',
'platstdlib': '{base}/lib/{implementation_lower}',
@@ -237,7 +261,7 @@
_PYTHON_BUILD = is_python_build()
if _PYTHON_BUILD:
- for scheme in ('posix_prefix', 'posix_home'):
+ for scheme in ('posix_prefix', 'posix_home', 'posix_local', 'deb_system'):
# On POSIX-y platforms, Python will:
# - Build from .h files in 'headers' (which is only added to the
# scheme when building CPython)
@@ -298,8 +322,19 @@
'user': 'osx_framework_user',
}
+ if sys.base_prefix != sys.prefix or hasattr(sys, "real_prefix"):
+ # virtual environments
+ prefix_scheme = 'posix_prefix'
+ else:
+ # default to /usr for package builds, /usr/local otherwise
+ deb_build = os.environ.get('DEB_PYTHON_INSTALL_LAYOUT', 'posix_local')
+ if deb_build in ('deb', 'deb_system'):
+ prefix_scheme = 'deb_system'
+ else:
+ prefix_scheme = 'posix_local'
+
return {
- 'prefix': 'posix_prefix',
+ 'prefix': prefix_scheme,
'home': 'posix_home',
'user': 'posix_user',
}
@@ -431,7 +466,7 @@
else:
inc_dir = _PROJECT_BASE
else:
- inc_dir = get_path('platinclude')
+ inc_dir = get_path('platinclude', 'posix_prefix')
return os.path.join(inc_dir, 'pyconfig.h')
--- a/Lib/test/test_sysconfig.py
+++ b/Lib/test/test_sysconfig.py
@@ -386,7 +386,7 @@
self.assertTrue(os.path.isfile(config_h), config_h)
def test_get_scheme_names(self):
- wanted = ['nt', 'posix_home', 'posix_prefix', 'posix_venv', 'nt_venv', 'venv']
+ wanted = ['deb_system', 'posix_local', 'nt', 'posix_home', 'posix_prefix', 'posix_venv', 'nt_venv', 'venv']
if HAS_USER_BASE:
wanted.extend(['nt_user', 'osx_framework_user', 'posix_user'])
self.assertEqual(get_scheme_names(), tuple(sorted(wanted)))
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