dev-python/pip: Sync with Gentoo

It's from Gentoo commit 603e17596a2000b7a0967370ae8b82c4a06246df.

sdk_container/src/third_party/portage-stable/dev-python/pip/files/pip-25.0.1-unbundle.patch

@@ -0,0 +1,209 @@
+diff --git a/src/pip/_internal/cli/main_parser.py b/src/pip/_internal/cli/main_parser.py
+index 5ade356b9..d07dfeab8 100644
+--- a/src/pip/_internal/cli/main_parser.py
++++ b/src/pip/_internal/cli/main_parser.py
+@@ -80,6 +80,11 @@ def parse_command(args: List[str]) -> Tuple[str, List[str]]:
+ 
+     # --python
+     if general_options.python and "_PIP_RUNNING_IN_SUBPROCESS" not in os.environ:
++        raise CommandError(
++            "--python option is not supported on Gentoo, as it requires bundled "
++            "dependencies that have been removed to improve security"
++        )
++
+         # Re-invoke pip using the specified Python interpreter
+         interpreter = identify_python_interpreter(general_options.python)
+         if interpreter is None:
+diff --git a/src/pip/_internal/commands/debug.py b/src/pip/_internal/commands/debug.py
+index 567ca967e..427bfcf04 100644
+--- a/src/pip/_internal/commands/debug.py
++++ b/src/pip/_internal/commands/debug.py
+@@ -6,7 +6,6 @@ from optparse import Values
+ from types import ModuleType
+ from typing import Any, Dict, List, Optional
+ 
+-import pip._vendor
+ from pip._vendor.certifi import where
+ from pip._vendor.packaging.version import parse as parse_version
+ 
+@@ -192,9 +191,7 @@ class DebugCommand(Command):
+         show_value("REQUESTS_CA_BUNDLE", os.environ.get("REQUESTS_CA_BUNDLE"))
+         show_value("CURL_CA_BUNDLE", os.environ.get("CURL_CA_BUNDLE"))
+         show_value("pip._vendor.certifi.where()", where())
+-        show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED)
+-
+-        show_vendor_versions()
++        show_value("pip._vendor.DEBUNDLED", True)
+ 
+         show_tags(options)
+ 
+diff --git a/tests/conftest.py b/tests/conftest.py
+index d093eea46..bf4d9e782 100644
+--- a/tests/conftest.py
++++ b/tests/conftest.py
+@@ -418,6 +418,7 @@ def _common_wheel_editable_install(
+     )
+     install_dir = tmpdir_factory.mktemp(package) / "install"
+     lib_install_dir = install_dir / "lib"
++    return lib_install_dir
+     bin_install_dir = install_dir / "bin"
+     with WheelFile.open(wheel_candidates[0]) as source:
+         install(
+diff --git a/tests/functional/test_check.py b/tests/functional/test_check.py
+index f50f5593e..c42e88bbe 100644
+--- a/tests/functional/test_check.py
++++ b/tests/functional/test_check.py
+@@ -10,10 +10,8 @@ from tests.lib import (
+ def matches_expected_lines(string: str, expected_lines: Collection[str]) -> bool:
+     # Ignore empty lines
+     output_lines = list(filter(None, string.splitlines()))
+-    # We'll match the last n lines, given n lines to match.
+-    last_few_output_lines = output_lines[-len(expected_lines) :]
+     # And order does not matter
+-    return set(last_few_output_lines) == set(expected_lines)
++    return set(expected_lines).issubset(set(output_lines))
+ 
+ 
+ def test_basic_check_clean(script: PipTestEnvironment) -> None:
+diff --git a/tests/functional/test_freeze.py b/tests/functional/test_freeze.py
+index 0a7cedd11..ea2fef37d 100644
+--- a/tests/functional/test_freeze.py
++++ b/tests/functional/test_freeze.py
+@@ -82,8 +82,8 @@ def test_basic_freeze(script: PipTestEnvironment) -> None:
+     result = script.pip("freeze", expect_stderr=True)
+     expected = textwrap.dedent(
+         """\
+-        ...simple==2.0
+-        simple2==3.0...
++        ...simple==2.0...
++        ...simple2==3.0...
+         <BLANKLINE>"""
+     )
+     _check_output(result.stdout, expected)
+@@ -1016,7 +1016,7 @@ def test_freeze_skip_work_dir_pkg(script: PipTestEnvironment) -> None:
+ 
+     # Freeze should not include package simple when run from package directory
+     result = script.pip("freeze", cwd=pkg_path)
+-    assert "simple" not in result.stdout
++    assert "\nsimple==" not in result.stdout
+ 
+ 
+ def test_freeze_include_work_dir_pkg(script: PipTestEnvironment) -> None:
+diff --git a/tests/functional/test_install_check.py b/tests/functional/test_install_check.py
+index 8a8a7c93a..bbda083f7 100644
+--- a/tests/functional/test_install_check.py
++++ b/tests/functional/test_install_check.py
+@@ -57,6 +57,7 @@ def test_check_install_canonicalization(script: PipTestEnvironment) -> None:
+     )
+     assert "requires" not in result.stderr
+     assert result.returncode == 0
++    return
+ 
+     # Double check that all errors are resolved in the end
+     result = script.pip("check")
+diff --git a/tests/functional/test_list.py b/tests/functional/test_list.py
+index e611fe7cb..c716f65c5 100644
+--- a/tests/functional/test_list.py
++++ b/tests/functional/test_list.py
+@@ -1,5 +1,6 @@
+ import json
+ import os
++import re
+ from pathlib import Path
+ 
+ import pytest
+@@ -42,8 +43,8 @@ def test_basic_list(simple_script: PipTestEnvironment) -> None:
+ 
+     """
+     result = simple_script.pip("list")
+-    assert "simple     1.0" in result.stdout, str(result)
+-    assert "simple2    3.0" in result.stdout, str(result)
++    assert re.search(r"simple\s+1\.0", result.stdout), str(result)
++    assert re.search(r"simple2\s+3\.0", result.stdout), str(result)
+ 
+ 
+ def test_verbose_flag(simple_script: PipTestEnvironment) -> None:
+@@ -55,8 +56,8 @@ def test_verbose_flag(simple_script: PipTestEnvironment) -> None:
+     assert "Version" in result.stdout, str(result)
+     assert "Location" in result.stdout, str(result)
+     assert "Installer" in result.stdout, str(result)
+-    assert "simple     1.0" in result.stdout, str(result)
+-    assert "simple2    3.0" in result.stdout, str(result)
++    assert re.search(r"simple\s+1\.0", result.stdout), str(result)
++    assert re.search(r"simple2\s+3\.0", result.stdout), str(result)
+ 
+ 
+ def test_columns_flag(simple_script: PipTestEnvironment) -> None:
+@@ -67,8 +68,8 @@ def test_columns_flag(simple_script: PipTestEnvironment) -> None:
+     assert "Package" in result.stdout, str(result)
+     assert "Version" in result.stdout, str(result)
+     assert "simple (1.0)" not in result.stdout, str(result)
+-    assert "simple     1.0" in result.stdout, str(result)
+-    assert "simple2    3.0" in result.stdout, str(result)
++    assert re.search(r"simple\s+1\.0", result.stdout), str(result)
++    assert re.search(r"simple2\s+3\.0", result.stdout), str(result)
+ 
+ 
+ def test_format_priority(simple_script: PipTestEnvironment) -> None:
+@@ -80,16 +81,16 @@ def test_format_priority(simple_script: PipTestEnvironment) -> None:
+     )
+     assert "simple==1.0" in result.stdout, str(result)
+     assert "simple2==3.0" in result.stdout, str(result)
+-    assert "simple     1.0" not in result.stdout, str(result)
+-    assert "simple2    3.0" not in result.stdout, str(result)
++    assert not re.search(r"simple\s+1\.0", result.stdout), str(result)
++    assert not re.search(r"simple2\s+3\.0", result.stdout), str(result)
+ 
+     result = simple_script.pip("list", "--format=freeze", "--format=columns")
+     assert "Package" in result.stdout, str(result)
+     assert "Version" in result.stdout, str(result)
+     assert "simple==1.0" not in result.stdout, str(result)
+     assert "simple2==3.0" not in result.stdout, str(result)
+-    assert "simple     1.0" in result.stdout, str(result)
+-    assert "simple2    3.0" in result.stdout, str(result)
++    assert re.search(r"simple\s+1\.0", result.stdout), str(result)
++    assert re.search(r"simple2\s+3\.0", result.stdout), str(result)
+ 
+ 
+ def test_local_flag(simple_script: PipTestEnvironment) -> None:
+@@ -125,8 +126,8 @@ def test_multiple_exclude_and_normalization(
+     assert "Normalizable_Name" in result.stdout
+     assert "pip" in result.stdout
+     result = script.pip("list", "--exclude", "normalizablE-namE", "--exclude", "pIp")
+-    assert "Normalizable_Name" not in result.stdout
+-    assert "pip" not in result.stdout
++    assert "Normalizable_Name " not in result.stdout
++    assert "pip " not in result.stdout
+ 
+ 
+ @pytest.mark.network
+diff --git a/tests/lib/venv.py b/tests/lib/venv.py
+index fac54d3bd..6bfe3cfdc 100644
+--- a/tests/lib/venv.py
++++ b/tests/lib/venv.py
+@@ -9,6 +9,7 @@ import venv as _venv
+ from pathlib import Path
+ from typing import Dict, Literal, Optional, Union
+ 
++import pytest
+ import virtualenv as _virtualenv
+ 
+ VirtualEnvironmentType = Literal["virtualenv", "venv"]
+@@ -35,7 +36,7 @@ class VirtualEnvironment:
+             self._venv_type = venv_type
+         else:
+             self._venv_type = "virtualenv"
+-        self._user_site_packages = False
++        self._user_site_packages = True
+         self._template = template
+         self._sitecustomize: Optional[str] = None
+         self._update_paths()
+@@ -234,6 +235,8 @@ class VirtualEnvironment:
+ 
+     @user_site_packages.setter
+     def user_site_packages(self, value: bool) -> None:
++        if not value:
++            pytest.skip("Gentoo: skipping due to lack of system site-packages")
+         self._user_site_packages = value
+         if self._legacy_virtualenv:
+             marker = self.lib / "no-global-site-packages.txt"

sdk_container/src/third_party/portage-stable/dev-python/pip/pip-25.0.1-r1.ebuild

@@ -75,7 +75,7 @@ python_prepare_all() {
 	local PATCHES=(
 		"${FILESDIR}/pip-23.1-no-coverage.patch"
 		# prepare to unbundle dependencies
-		"${FILESDIR}/pip-24.1-unbundle.patch"
+		"${FILESDIR}/pip-25.0.1-unbundle.patch"
 	)
 
 	distutils-r1_python_prepare_all
@@ -106,6 +106,11 @@ python_compile_all() {
 }
 
 python_test() {
+	if ! has "${EPYTHON}" "${PYTHON_TESTED[@]/_/.}"; then
+		einfo "Skipping tests on ${EPYTHON}"
+		return 0
+	fi
+
 	local EPYTEST_DESELECT=(
 		tests/functional/test_inspect.py::test_inspect_basic
 		# Internet