141 lines
5.7 KiB
Diff
141 lines
5.7 KiB
Diff
From aca0c9df4ef54f70a3fedb07f4faac463f88a331 Mon Sep 17 00:00:00 2001
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From: Karolina Surma <ksurma@redhat.com>
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Date: Mon, 10 May 2021 18:16:20 +0200
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Subject: [PATCH] Prevent removing of the system packages installed under
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/usr/lib
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when pip install -U is executed.
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Resolves: rhbz#1550368
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Co-Authored-By: Michal Cyprian <m.cyprian@gmail.com>
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Co-Authored-By: Victor Stinner <vstinner@redhat.com>
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Co-Authored-By: Petr Viktorin <pviktori@redhat.com>
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Co-Authored-By: Lumir Balhar <lbalhar@redhat.com>
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Co-Authored-By: Miro Hrončok <miro@hroncok.cz>
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---
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src/pip/_internal/req/req_install.py | 3 ++-
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src/pip/_internal/resolution/legacy/resolver.py | 5 ++++-
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src/pip/_internal/resolution/resolvelib/factory.py | 10 ++++++++++
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src/pip/_internal/utils/misc.py | 11 +++++++++++
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4 files changed, 27 insertions(+), 2 deletions(-)
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diff --git a/src/pip/_internal/req/req_install.py b/src/pip/_internal/req/req_install.py
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index 4c58cdb..3570e17 100644
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--- a/src/pip/_internal/req/req_install.py
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+++ b/src/pip/_internal/req/req_install.py
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@@ -43,6 +43,7 @@ from pip._internal.utils.misc import (
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ask_path_exists,
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backup_dir,
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display_path,
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+ dist_in_install_path,
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dist_in_site_packages,
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dist_in_usersite,
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get_distribution,
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@@ -426,7 +427,7 @@ class InstallRequirement:
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"lack sys.path precedence to {} in {}".format(
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existing_dist.project_name, existing_dist.location)
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)
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- else:
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+ elif dist_in_install_path(existing_dist):
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self.should_reinstall = True
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else:
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if self.editable:
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diff --git a/src/pip/_internal/resolution/legacy/resolver.py b/src/pip/_internal/resolution/legacy/resolver.py
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index 4df8f7e..dda2292 100644
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--- a/src/pip/_internal/resolution/legacy/resolver.py
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+++ b/src/pip/_internal/resolution/legacy/resolver.py
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@@ -42,6 +42,7 @@ from pip._internal.resolution.base import BaseResolver, InstallRequirementProvid
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from pip._internal.utils.compatibility_tags import get_supported
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from pip._internal.utils.logging import indent_log
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from pip._internal.utils.misc import dist_in_usersite, normalize_version_info
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+from pip._internal.utils.misc import dist_in_install_path
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from pip._internal.utils.packaging import check_requires_python, get_requires_python
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logger = logging.getLogger(__name__)
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@@ -194,7 +195,9 @@ class Resolver(BaseResolver):
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"""
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# Don't uninstall the conflict if doing a user install and the
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# conflict is not a user install.
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- if not self.use_user_site or dist_in_usersite(req.satisfied_by):
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+ if ((not self.use_user_site
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+ or dist_in_usersite(req.satisfied_by))
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+ and dist_in_install_path(req.satisfied_by)):
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req.should_reinstall = True
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req.satisfied_by = None
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diff --git a/src/pip/_internal/resolution/resolvelib/factory.py b/src/pip/_internal/resolution/resolvelib/factory.py
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index e7fd344..555e657 100644
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--- a/src/pip/_internal/resolution/resolvelib/factory.py
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+++ b/src/pip/_internal/resolution/resolvelib/factory.py
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@@ -1,6 +1,7 @@
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import contextlib
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import functools
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import logging
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+import sys
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from typing import (
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TYPE_CHECKING,
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Dict,
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@@ -34,6 +35,7 @@ from pip._internal.exceptions import (
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UnsupportedWheel,
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)
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from pip._internal.index.package_finder import PackageFinder
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+from pip._internal.locations import get_scheme
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from pip._internal.metadata import BaseDistribution, get_default_environment
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from pip._internal.models.link import Link
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from pip._internal.models.wheel import Wheel
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@@ -46,6 +48,7 @@ from pip._internal.req.req_install import (
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from pip._internal.resolution.base import InstallRequirementProvider
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from pip._internal.utils.compatibility_tags import get_supported
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from pip._internal.utils.hashes import Hashes
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+from pip._internal.utils.misc import dist_location
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from pip._internal.utils.virtualenv import running_under_virtualenv
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from .base import Candidate, CandidateVersion, Constraint, Requirement
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@@ -525,6 +528,13 @@ class Factory:
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if dist is None: # Not installed, no uninstallation required.
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return None
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+ # Prevent uninstalling packages from /usr
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+ if dist_location(dist._dist) in (
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+ get_scheme('', prefix=sys.base_prefix).purelib,
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+ get_scheme('', prefix=sys.base_prefix).platlib,
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+ ):
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+ return None
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+
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# We're installing into global site. The current installation must
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# be uninstalled, no matter it's in global or user site, because the
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# user site installation has precedence over global.
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diff --git a/src/pip/_internal/utils/misc.py b/src/pip/_internal/utils/misc.py
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index 99ebea3..5901687 100644
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--- a/src/pip/_internal/utils/misc.py
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+++ b/src/pip/_internal/utils/misc.py
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@@ -40,6 +40,7 @@ from pip._vendor.tenacity import retry, stop_after_delay, wait_fixed
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from pip import __version__
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from pip._internal.exceptions import CommandError
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from pip._internal.locations import get_major_minor_version, site_packages, user_site
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+from pip._internal.locations import get_scheme
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from pip._internal.utils.compat import WINDOWS, stdlib_pkgs
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from pip._internal.utils.virtualenv import (
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running_under_virtualenv,
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@@ -382,6 +383,16 @@ def dist_in_site_packages(dist):
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return dist_location(dist).startswith(normalize_path(site_packages))
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+def dist_in_install_path(dist):
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+ """
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+ Return True if given Distribution is installed in
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+ path matching distutils_scheme layout.
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+ """
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+ norm_path = normalize_path(dist_location(dist))
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+ return norm_path.startswith(normalize_path(
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+ get_scheme("").purelib.split('python')[0]))
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+
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+
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def dist_is_editable(dist):
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# type: (Distribution) -> bool
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"""
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--
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2.32.0
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