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174 lines
7.1 KiB
174 lines
7.1 KiB
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
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Date: Mon, 15 Feb 2021 12:19:27 +0100
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Subject: [PATCH] 00251: Change user install location
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Set values of base and platbase in sysconfig from /usr
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to /usr/local when RPM build is not detected
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to make pip and similar tools install into separate location.
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Fedora Change: https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
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Downstream only.
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We've tried to rework in Fedora 36/Python 3.10 to follow https://bugs.python.org/issue43976
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but we have identified serious problems with that approach,
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see https://bugzilla.redhat.com/2026979 or https://bugzilla.redhat.com/2097183
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pypa/distutils integration: https://github.com/pypa/distutils/pull/70
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Co-authored-by: Petr Viktorin <encukou@gmail.com>
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Co-authored-by: Miro Hrončok <miro@hroncok.cz>
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Co-authored-by: Michal Cyprian <m.cyprian@gmail.com>
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Co-authored-by: Lumír Balhar <frenzy.madness@gmail.com>
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---
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Lib/site.py | 9 ++++++-
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Lib/sysconfig.py | 49 +++++++++++++++++++++++++++++++++++++-
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Lib/test/test_sysconfig.py | 17 +++++++++++--
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3 files changed, 71 insertions(+), 4 deletions(-)
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diff --git a/Lib/site.py b/Lib/site.py
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index aed254ad50..568dbdb945 100644
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--- a/Lib/site.py
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+++ b/Lib/site.py
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@@ -398,8 +398,15 @@ def getsitepackages(prefixes=None):
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return sitepackages
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def addsitepackages(known_paths, prefixes=None):
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- """Add site-packages to sys.path"""
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+ """Add site-packages to sys.path
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+
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+ '/usr/local' is included in PREFIXES if RPM build is not detected
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+ to make packages installed into this location visible.
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+
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+ """
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_trace("Processing global site-packages")
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+ if ENABLE_USER_SITE and 'RPM_BUILD_ROOT' not in os.environ:
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+ PREFIXES.insert(0, "/usr/local")
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for sitedir in getsitepackages(prefixes):
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if os.path.isdir(sitedir):
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addsitedir(sitedir, known_paths)
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diff --git a/Lib/sysconfig.py b/Lib/sysconfig.py
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index 517b13acaf..928d1a0541 100644
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--- a/Lib/sysconfig.py
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+++ b/Lib/sysconfig.py
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@@ -104,6 +104,11 @@
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else:
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_INSTALL_SCHEMES['venv'] = _INSTALL_SCHEMES['posix_venv']
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+# For a brief period of time in the Fedora 36 life cycle,
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+# this installation scheme existed and was documented in the release notes.
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+# For backwards compatibility, we keep it here (at least on 3.10 and 3.11).
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+_INSTALL_SCHEMES['rpm_prefix'] = _INSTALL_SCHEMES['posix_prefix']
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+
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# NOTE: site.py has copy of this function.
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# Sync it when modify this function.
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@@ -163,6 +168,19 @@ def joinuser(*args):
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},
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}
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+# This is used by distutils.command.install in the stdlib
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+# as well as pypa/distutils (e.g. bundled in setuptools).
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+# The self.prefix value is set to sys.prefix + /local/
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+# if neither RPM build nor virtual environment is
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+# detected to make distutils install packages
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+# into the separate location.
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+# https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
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+if (not (hasattr(sys, 'real_prefix') or
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+ sys.prefix != sys.base_prefix) and
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+ 'RPM_BUILD_ROOT' not in os.environ):
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+ _prefix_addition = '/local'
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+
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+
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_SCHEME_KEYS = ('stdlib', 'platstdlib', 'purelib', 'platlib', 'include',
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'scripts', 'data')
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@@ -261,11 +279,40 @@ def _extend_dict(target_dict, other_dict):
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target_dict[key] = value
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+_CONFIG_VARS_LOCAL = None
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+
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+
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+def _config_vars_local():
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+ # This function returns the config vars with prefixes amended to /usr/local
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+ # https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
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+ global _CONFIG_VARS_LOCAL
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+ if _CONFIG_VARS_LOCAL is None:
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+ _CONFIG_VARS_LOCAL = dict(get_config_vars())
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+ _CONFIG_VARS_LOCAL['base'] = '/usr/local'
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+ _CONFIG_VARS_LOCAL['platbase'] = '/usr/local'
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+ return _CONFIG_VARS_LOCAL
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+
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+
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def _expand_vars(scheme, vars):
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res = {}
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if vars is None:
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vars = {}
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- _extend_dict(vars, get_config_vars())
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+
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+ # when we are not in a virtual environment or an RPM build
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+ # we change '/usr' to '/usr/local'
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+ # to avoid surprises, we explicitly check for the /usr/ prefix
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+ # Python virtual environments have different prefixes
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+ # we only do this for posix_prefix, not to mangle the venv scheme
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+ # posix_prefix is used by sudo pip install
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+ # we only change the defaults here, so explicit --prefix will take precedence
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+ # https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
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+ if (scheme == 'posix_prefix' and
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+ sys.prefix == '/usr' and
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+ 'RPM_BUILD_ROOT' not in os.environ):
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+ _extend_dict(vars, _config_vars_local())
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+ else:
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+ _extend_dict(vars, get_config_vars())
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+
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if os.name == 'nt':
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# On Windows we want to substitute 'lib' for schemes rather
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# than the native value (without modifying vars, in case it
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diff --git a/Lib/test/test_sysconfig.py b/Lib/test/test_sysconfig.py
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index 3468d0ce02..ff31010427 100644
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--- a/Lib/test/test_sysconfig.py
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+++ b/Lib/test/test_sysconfig.py
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@@ -119,8 +119,19 @@ def test_get_path(self):
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for scheme in _INSTALL_SCHEMES:
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for name in _INSTALL_SCHEMES[scheme]:
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expected = _INSTALL_SCHEMES[scheme][name].format(**config_vars)
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+ tested = get_path(name, scheme)
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+ # https://fedoraproject.org/wiki/Changes/Making_sudo_pip_safe
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+ if tested.startswith('/usr/local'):
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+ # /usr/local should only be used in posix_prefix
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+ self.assertEqual(scheme, 'posix_prefix')
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+ # Fedora CI runs tests for venv and virtualenv that check for other prefixes
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+ self.assertEqual(sys.prefix, '/usr')
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+ # When building the RPM of Python, %check runs this with RPM_BUILD_ROOT set
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+ # Fedora CI runs this with RPM_BUILD_ROOT unset
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+ self.assertNotIn('RPM_BUILD_ROOT', os.environ)
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+ tested = tested.replace('/usr/local', '/usr')
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self.assertEqual(
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- os.path.normpath(get_path(name, scheme)),
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+ os.path.normpath(tested),
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os.path.normpath(expected),
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)
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@@ -353,7 +364,7 @@ def test_get_config_h_filename(self):
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self.assertTrue(os.path.isfile(config_h), config_h)
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def test_get_scheme_names(self):
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- wanted = ['nt', 'posix_home', 'posix_prefix', 'posix_venv', 'nt_venv', 'venv']
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+ wanted = ['nt', 'posix_home', 'posix_prefix', 'posix_venv', 'nt_venv', 'venv', 'rpm_prefix']
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if HAS_USER_BASE:
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wanted.extend(['nt_user', 'osx_framework_user', 'posix_user'])
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self.assertEqual(get_scheme_names(), tuple(sorted(wanted)))
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@@ -365,6 +376,8 @@ def test_symlink(self): # Issue 7880
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cmd = "-c", "import sysconfig; print(sysconfig.get_platform())"
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self.assertEqual(py.call_real(*cmd), py.call_link(*cmd))
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+ @unittest.skipIf('RPM_BUILD_ROOT' not in os.environ,
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+ "Test doesn't expect Fedora's paths")
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def test_user_similar(self):
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# Issue #8759: make sure the posix scheme for the users
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# is similar to the global posix_prefix one
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