00251-change-user-install-location.patch

diff -Nura Python-3.10.0-orig/Lib/site.py Python-3.10.0/Lib/site.py
--- Python-3.10.0-orig/Lib/site.py	2021-10-04 17:40:46.000000000 +0000
+++ Python-3.10.0/Lib/site.py	2021-10-20 12:56:50.986449337 +0000
@@ -380,8 +380,15 @@
     return sitepackages
 
 def addsitepackages(known_paths, prefixes=None):
-    """Add site-packages to sys.path"""
+    """Add site-packages to sys.path
+
+    '/usr/local' is included in PREFIXES if RPM build is not detected
+    to make packages installed into this location visible.
+
+    """
     _trace("Processing global site-packages")
+    if ENABLE_USER_SITE and 'RPM_BUILD_ROOT' not in os.environ:
+        PREFIXES.insert(0, "/opt/rh/rh-python310/root/usr/local")
     for sitedir in getsitepackages(prefixes):
         if os.path.isdir(sitedir):
             addsitedir(sitedir, known_paths)
diff -Nura Python-3.10.0-orig/Lib/sysconfig.py Python-3.10.0/Lib/sysconfig.py
--- Python-3.10.0-orig/Lib/sysconfig.py	2021-10-04 17:40:46.000000000 +0000
+++ Python-3.10.0/Lib/sysconfig.py	2021-10-20 12:58:09.037274987 +0000
@@ -58,6 +58,25 @@
         },
     }
 
+# backup the original posix_prefix as rpm_prefix
+# RPM packages use it and we need to be able to read it even when changed
+_INSTALL_SCHEMES['rpm_prefix'] = _INSTALL_SCHEMES['posix_prefix']
+
+if (not (hasattr(sys, 'real_prefix') or
+    sys.prefix != sys.base_prefix) and
+    'RPM_BUILD_ROOT' not in os.environ):
+        _INSTALL_SCHEMES['posix_prefix'] = {
+            'stdlib': '{installed_base}/{platlibdir}/python{py_version_short}',
+            'platstdlib': '{platbase}/{platlibdir}/python{py_version_short}',
+            'purelib': '{base}/local/lib/python{py_version_short}/site-packages',
+            'platlib': '{platbase}/local/{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': '{base}/local/bin',
+            'data': '{base}/local',
+        }
 
 # NOTE: site.py has copy of this function.
 # Sync it when modify this function.
diff -Nura Python-3.10.0-orig/Lib/test/test_sysconfig.py Python-3.10.0/Lib/test/test_sysconfig.py
--- Python-3.10.0-orig/Lib/test/test_sysconfig.py	2021-10-04 17:40:46.000000000 +0000
+++ Python-3.10.0/Lib/test/test_sysconfig.py	2021-10-20 12:59:33.345327310 +0000
@@ -263,7 +263,7 @@
         self.assertTrue(os.path.isfile(config_h), config_h)
 
     def test_get_scheme_names(self):
-        wanted = ['nt', 'posix_home', 'posix_prefix']
+        wanted = ['nt', 'posix_home', 'posix_prefix', 'rpm_prefix']
         if HAS_USER_BASE:
             wanted.extend(['nt_user', 'osx_framework_user', 'posix_user'])
         self.assertEqual(get_scheme_names(), tuple(sorted(wanted)))
@@ -274,6 +274,8 @@
             cmd = "-c", "import sysconfig; print(sysconfig.get_platform())"
             self.assertEqual(py.call_real(*cmd), py.call_link(*cmd))
 
+    @unittest.skipIf('RPM_BUILD_ROOT' not in os.environ,
+                     "Test doesn't expect Fedora's paths")
     def test_user_similar(self):
         # Issue #8759: make sure the posix scheme for the users
         # is similar to the global posix_prefix one