python3.14-pip/remove-existing-dist-only-if-path-conflicts.patch
2025-11-26 13:40:52 +01:00

114 lines
4.6 KiB
Diff

From 9020f56e88a7dbaef688c147c281909f95b4e1d1 Mon Sep 17 00:00:00 2001
From: Karolina Surma <ksurma@redhat.com>
Date: Wed, 16 Feb 2022 08:36:21 +0100
Subject: [PATCH] Prevent removing of the system packages installed under
/usr/lib when pip install --upgrade is executed.
Resolves: rhbz#1550368
Co-Authored-By: Michal Cyprian <m.cyprian@gmail.com>
Co-Authored-By: Victor Stinner <vstinner@redhat.com>
Co-Authored-By: Petr Viktorin <pviktori@redhat.com>
Co-Authored-By: Lumir Balhar <lbalhar@redhat.com>
Co-Authored-By: Miro Hrončok <miro@hroncok.cz>
Co-Authored-By: Karolina Surma <ksurma@redhat.com>
---
src/pip/_internal/metadata/base.py | 12 +++++++++++-
src/pip/_internal/req/req_install.py | 2 +-
src/pip/_internal/resolution/legacy/resolver.py | 4 +++-
src/pip/_internal/resolution/resolvelib/factory.py | 12 ++++++++++++
4 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/src/pip/_internal/metadata/base.py b/src/pip/_internal/metadata/base.py
index 9eabcdb..9816691 100644
--- a/src/pip/_internal/metadata/base.py
+++ b/src/pip/_internal/metadata/base.py
@@ -28,7 +28,7 @@ from pip._vendor.packaging.utils import NormalizedName, canonicalize_name
from pip._vendor.packaging.version import Version
from pip._internal.exceptions import NoneMetadataError
-from pip._internal.locations import site_packages, user_site
+from pip._internal.locations import get_scheme, site_packages, user_site
from pip._internal.models.direct_url import (
DIRECT_URL_METADATA_NAME,
DirectUrl,
@@ -578,6 +578,16 @@ class BaseDistribution(Protocol):
for extra in self._iter_egg_info_extras():
metadata["Provides-Extra"] = extra
+ @property
+ def in_install_path(self) -> bool:
+ """
+ Return True if given Distribution is installed in
+ path matching distutils_scheme layout.
+ """
+ norm_path = normalize_path(self.installed_location)
+ return norm_path.startswith(normalize_path(
+ get_scheme("").purelib.split('python')[0]))
+
class BaseEnvironment:
"""An environment containing distributions to introspect."""
diff --git a/src/pip/_internal/req/req_install.py b/src/pip/_internal/req/req_install.py
index 2132785..0340890 100644
--- a/src/pip/_internal/req/req_install.py
+++ b/src/pip/_internal/req/req_install.py
@@ -449,7 +449,7 @@ class InstallRequirement:
f"lack sys.path precedence to {existing_dist.raw_name} "
f"in {existing_dist.location}"
)
- else:
+ elif existing_dist.in_install_path:
self.should_reinstall = True
else:
if self.editable:
diff --git a/src/pip/_internal/resolution/legacy/resolver.py b/src/pip/_internal/resolution/legacy/resolver.py
index 1dd0d70..414bdbe 100644
--- a/src/pip/_internal/resolution/legacy/resolver.py
+++ b/src/pip/_internal/resolution/legacy/resolver.py
@@ -319,7 +319,9 @@ class Resolver(BaseResolver):
# Don't uninstall the conflict if doing a user install and the
# conflict is not a user install.
assert req.satisfied_by is not None
- if not self.use_user_site or req.satisfied_by.in_usersite:
+ if ((not self.use_user_site
+ or req.satisfied_by.in_usersite)
+ and req.satisfied_by.in_install_path):
req.should_reinstall = True
req.satisfied_by = None
diff --git a/src/pip/_internal/resolution/resolvelib/factory.py b/src/pip/_internal/resolution/resolvelib/factory.py
index 1f31d83..3804774 100644
--- a/src/pip/_internal/resolution/resolvelib/factory.py
+++ b/src/pip/_internal/resolution/resolvelib/factory.py
@@ -1,6 +1,8 @@
import contextlib
import functools
import logging
+import sys
+import sysconfig
from typing import (
TYPE_CHECKING,
Callable,
@@ -617,6 +619,16 @@ class Factory:
if dist is None: # Not installed, no uninstallation required.
return None
+ # Prevent uninstalling packages from /usr
+ try:
+ if dist.installed_location in (
+ sysconfig.get_path('purelib', scheme='posix_prefix', vars={'base': sys.base_prefix}),
+ sysconfig.get_path('platlib', scheme='posix_prefix', vars={'platbase': sys.base_prefix}),
+ ):
+ return None
+ except KeyError: # this Python doesn't have 'rpm_prefix' scheme yet
+ pass
+
# We're installing into global site. The current installation must
# be uninstalled, no matter it's in global or user site, because the
# user site installation has precedence over global.
--
2.45.1