python3x-pip/SOURCES/remove-existing-dist-only-if-path-conflicts.patch

95 lines
3.3 KiB
Diff

From 8c58a99221415ca7c3d5ce50dcffefa14e421928 Mon Sep 17 00:00:00 2001
From: Tomas Orsava <torsava@redhat.com>
Date: Tue, 12 Nov 2019 17:24:20 +0100
Subject: [PATCH] Subject: Prevent removing of the system packages installed
under /usr/lib
when pip install -U is executed.
Resolves: rhbz#1550368
Co-Authored-By: Michal Cyprian <m.cyprian@gmail.com>
Co-Authored-By: Victor Stinner <vstinner@redhat.com>
---
src/pip/_internal/legacy_resolve.py | 5 ++++-
src/pip/_internal/req/req_install.py | 3 ++-
src/pip/_internal/utils/misc.py | 11 +++++++++++
3 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/src/pip/_internal/legacy_resolve.py b/src/pip/_internal/legacy_resolve.py
index c24158f..bd92287 100644
--- a/src/pip/_internal/legacy_resolve.py
+++ b/src/pip/_internal/legacy_resolve.py
@@ -30,6 +30,7 @@ from pip._internal.exceptions import (
)
from pip._internal.utils.logging import indent_log
from pip._internal.utils.misc import (
+ dist_in_install_path,
dist_in_usersite,
ensure_dir,
normalize_version_info,
@@ -224,7 +225,9 @@ class Resolver(object):
"""
# Don't uninstall the conflict if doing a user install and the
# conflict is not a user install.
- if not self.use_user_site or dist_in_usersite(req.satisfied_by):
+ if ((not self.use_user_site
+ or dist_in_usersite(req.satisfied_by))
+ and dist_in_install_path(req.satisfied_by)):
req.conflicts_with = req.satisfied_by
req.satisfied_by = None
diff --git a/src/pip/_internal/req/req_install.py b/src/pip/_internal/req/req_install.py
index 5a8c0dc..f80ba87 100644
--- a/src/pip/_internal/req/req_install.py
+++ b/src/pip/_internal/req/req_install.py
@@ -39,6 +39,7 @@ from pip._internal.utils.misc import (
ask_path_exists,
backup_dir,
display_path,
+ dist_in_install_path,
dist_in_site_packages,
dist_in_usersite,
ensure_dir,
@@ -461,7 +462,7 @@ class InstallRequirement(object):
"lack sys.path precedence to %s in %s" %
(existing_dist.project_name, existing_dist.location)
)
- else:
+ elif dist_in_install_path(existing_dist):
self.conflicts_with = existing_dist
return True
diff --git a/src/pip/_internal/utils/misc.py b/src/pip/_internal/utils/misc.py
index b848263..5b75fed 100644
--- a/src/pip/_internal/utils/misc.py
+++ b/src/pip/_internal/utils/misc.py
@@ -28,6 +28,7 @@ from pip._vendor.six.moves.urllib.parse import unquote as urllib_unquote
from pip import __version__
from pip._internal.exceptions import CommandError
from pip._internal.locations import (
+ distutils_scheme,
get_major_minor_version,
site_packages,
user_site,
@@ -389,6 +390,16 @@ def dist_in_site_packages(dist):
return dist_location(dist).startswith(normalize_path(site_packages))
+def dist_in_install_path(dist):
+ """
+ Return True if given Distribution is installed in
+ path matching distutils_scheme layout.
+ """
+ norm_path = normalize_path(dist_location(dist))
+ return norm_path.startswith(normalize_path(
+ distutils_scheme("")['purelib'].split('python')[0]))
+
+
def dist_is_editable(dist):
# type: (Distribution) -> bool
"""
--
2.20.1