File F00251-change-user-install-location.patch of Package python310

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File F00251-change-user-install-location.patch of Package python310 (Revision 756a60e2d2fb050a1e41cd255e89cb8e)

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From 910f38d9768d39d4d31426743ae4081ed1ab66b6 Mon Sep 17 00:00:00 2001
From: Michal Cyprian <m.cyprian@gmail.com>
Date: Mon, 26 Jun 2017 16:32:56 +0200
Subject: [PATCH] 00251: Change user install location

Set values of prefix and exec_prefix in distutils install command
to /usr/local if executable is /usr/bin/python* and RPM build
is not detected to make pip and distutils install into separate location.

Fedora Change: https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
---
 Lib/distutils/command/install.py |   15 +++++++++++++--
 Lib/site.py                      |    9 ++++++++-
 2 files changed, 21 insertions(+), 3 deletions(-)

Index: Python-3.10.14/Lib/distutils/command/install.py
===================================================================
--- Python-3.10.14.orig/Lib/distutils/command/install.py
+++ Python-3.10.14/Lib/distutils/command/install.py
@@ -441,8 +441,19 @@ class install(Command):
                     raise DistutilsOptionError(
                           "must not supply exec-prefix without prefix")
 
-                self.prefix = os.path.normpath(sys.prefix)
-                self.exec_prefix = os.path.normpath(sys.exec_prefix)
+                # self.prefix is set to sys.prefix + /local/
+                # if neither RPM build nor virtual environment is
+                # detected to make pip and distutils install packages
+                # into the separate location.
+                if (not (hasattr(sys, 'real_prefix') or
+                    sys.prefix != sys.base_prefix) and
+                    'RPM_BUILD_ROOT' not in os.environ):
+                    addition = "/local"
+                else:
+                    addition = ""
+
+                self.prefix = os.path.normpath(sys.prefix) + addition
+                self.exec_prefix = os.path.normpath(sys.exec_prefix) + addition
 
             else:
                 if self.exec_prefix is None:
Index: Python-3.10.14/Lib/site.py
===================================================================
--- Python-3.10.14.orig/Lib/site.py
+++ Python-3.10.14/Lib/site.py
@@ -390,8 +390,15 @@ def getsitepackages(prefixes=None):
     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, "/usr/local")
     for sitedir in getsitepackages(prefixes):
         if os.path.isdir(sitedir):
             addsitedir(sitedir, known_paths)
Index: Python-3.10.14/Lib/sysconfig.py
===================================================================
--- Python-3.10.14.orig/Lib/sysconfig.py
+++ Python-3.10.14/Lib/sysconfig.py
@@ -117,6 +117,19 @@ if _HAS_USER_BASE:
             },
     }
 
+# This is used by distutils.command.install in the stdlib
+# as well as pypa/distutils (e.g. bundled in setuptools).
+# The self.prefix value is set to sys.prefix + /local/
+# if neither RPM build nor virtual environment is
+# detected to make distutils install packages
+# into the separate location.
+# https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
+if (not (hasattr(sys, 'real_prefix') or
+    sys.prefix != sys.base_prefix) and
+    'RPM_BUILD_ROOT' not in os.environ):
+    _prefix_addition = '/local'
+
+
 _SCHEME_KEYS = ('stdlib', 'platstdlib', 'purelib', 'platlib', 'include',
                 'scripts', 'data')
 
@@ -136,6 +149,16 @@ _variable_rx = r"([a-zA-Z][a-zA-Z0-9_]+)
 _findvar1_rx = r"\$$([A-Za-z][A-Za-z0-9_]*)$"
 _findvar2_rx = r"\${([A-Za-z][A-Za-z0-9_]*)}"
 
+# For a brief period of time in the Fedora 36 life cycle,
+# this installation scheme existed and was documented in the release notes.
+# For backwards compatibility, we keep it here (at least on 3.10 and 3.11).
+_INSTALL_SCHEMES['rpm_prefix'] = _INSTALL_SCHEMES['posix_prefix']
+
+# For a brief period of time in the Fedora 36 life cycle,
+# this installation scheme existed and was documented in the release notes.
+# For backwards compatibility, we keep it here (at least on 3.10 and 3.11).
+_INSTALL_SCHEMES['rpm_prefix'] = _INSTALL_SCHEMES['posix_prefix']
+
 
 def _safe_realpath(path):
     try:
@@ -211,11 +234,39 @@ def _extend_dict(target_dict, other_dict
         target_dict[key] = value
 
 
+_CONFIG_VARS_LOCAL = None
+
+
+def _config_vars_local():
+    # This function returns the config vars with prefixes amended to /usr/local
+    # https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
+    global _CONFIG_VARS_LOCAL
+    if _CONFIG_VARS_LOCAL is None:
+        _CONFIG_VARS_LOCAL = dict(get_config_vars())
+        _CONFIG_VARS_LOCAL['base'] = '/usr/local'
+        _CONFIG_VARS_LOCAL['platbase'] = '/usr/local'
+    return _CONFIG_VARS_LOCAL
+
+
 def _expand_vars(scheme, vars):
     res = {}
     if vars is None:
         vars = {}
-    _extend_dict(vars, get_config_vars())
+
+    # when we are not in a virtual environment or an RPM build
+    # we change '/usr' to '/usr/local'
+    # to avoid surprises, we explicitly check for the /usr/ prefix
+    # Python virtual environments have different prefixes
+    # we only do this for posix_prefix, not to mangle the venv scheme
+    # posix_prefix is used by sudo pip install
+    # we only change the defaults here, so explicit --prefix will take precedence
+    # https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
+    if (scheme == 'posix_prefix' and
+        _PREFIX == '/usr' and
+        'RPM_BUILD_ROOT' not in os.environ):
+            _extend_dict(vars, _config_vars_local())
+    else:
+        _extend_dict(vars, get_config_vars())
 
     for key, value in _INSTALL_SCHEMES[scheme].items():
         if os.name in ('posix', 'nt'):
Index: Python-3.10.14/Lib/test/test_sysconfig.py
===================================================================
--- Python-3.10.14.orig/Lib/test/test_sysconfig.py
+++ Python-3.10.14/Lib/test/test_sysconfig.py
@@ -105,8 +105,19 @@ class TestSysConfig(unittest.TestCase):
         for scheme in _INSTALL_SCHEMES:
             for name in _INSTALL_SCHEMES[scheme]:
                 expected = _INSTALL_SCHEMES[scheme][name].format(**config_vars)
+                tested = get_path(name, scheme)
+                # https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
+                if tested.startswith('/usr/local'):
+                    # /usr/local should only be used in posix_prefix
+                    self.assertEqual(scheme, 'posix_prefix')
+                    # Fedora CI runs tests for venv and virtualenv that check for other prefixes
+                    self.assertEqual(sys.prefix, '/usr')
+                    # When building the RPM of Python, %check runs this with RPM_BUILD_ROOT set
+                    # Fedora CI runs this with RPM_BUILD_ROOT unset
+                    self.assertNotIn('RPM_BUILD_ROOT', os.environ)
+                    tested = tested.replace('/usr/local', '/usr')
                 self.assertEqual(
-                    os.path.normpath(get_path(name, scheme)),
+                    os.path.normpath(tested),
                     os.path.normpath(expected),
                 )
 
@@ -263,7 +274,7 @@ class TestSysConfig(unittest.TestCase):
         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 +285,8 @@ class TestSysConfig(unittest.TestCase):
             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

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File F00251-change-user-install-location.patch of Package python310 (Revision 756a60e2d2fb050a1e41cd255e89cb8e)

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