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python-pip/flit-core.patch
Matej Cepl fa24dbf3dc Accepting request 1299243 from home:mcalabkova:branches:devel:languages:python 
- update to 25.2
  # 25.1
  * Drop support for Python 3.8.
  * On python 3.14+, the pkg_resources metadata backend cannot be used
    anymore.
  * Hide --no-python-version-warning from CLI help and documentation
    as it's useless since Python 2 support was removed.
  * A warning is emitted when the deprecated pkg_resources library is
    used to inspect and discover installed packages.
  * Deprecate the legacy setup.py bdist_wheel mechanism. To silence
    the warning, and future-proof their setup, users should enable
    --use-pep517 or add a pyproject.toml file to the projects they
    control.
  * Using --debug also enables verbose logging.
  * Display a transient progress bar during package installation.
  * Add a --group option which allows installation from PEP 735
    Dependency Groups.
  * Use PEP 753 "Well-known Project URLs in Metadata" normalization
    rules when identifying an equivalent project URL to replace
    a missing Home-Page field in pip show.
  * Add a new, experimental, pip lock command, implementing PEP 751.
  * Resolvelib 1.1.0 fixes a known issue where pip would report a
    ResolutionImpossible error even though there is a valid solution.
    However, some very complex dependency resolutions that previously
    resolved may resolve slower or fail with an ResolutionTooDeep error.
  # 25.2
  * Declare support for Python 3.14
  * Automatic download resumption and retrying is enabled by default.
  * Requires-Python error message displays version clauses in numerical
    order.

OBS-URL: https://build.opensuse.org/request/show/1299243
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pip?expand=0&rev=142
2025-08-13 15:30:17 +00:00

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From 9abe08127cb666e9eef9e231d4bec0e89afdc830 Mon Sep 17 00:00:00 2001
From: Damian Shaw <damian.peter.shaw@gmail.com>
Date: Fri, 1 Aug 2025 20:59:08 -0400
Subject: [PATCH 1/5] Use flit to build pip distributions
---
.github/workflows/ci.yml | 2 +-
MANIFEST.in | 34 -----------
build-project/build-requirements.in | 2 +-
build-project/build-requirements.txt | 16 +++--
.../html/development/architecture/anatomy.rst | 1 -
pyproject.toml | 60 +++++++++++--------
6 files changed, 44 insertions(+), 71 deletions(-)
delete mode 100644 MANIFEST.in
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 998cb4f485e..00000000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,34 +0,0 @@
-include NEWS.rst
-include README.rst
-include SECURITY.md
-include pyproject.toml
-
-include build-project/build-requirements.in
-include build-project/build-requirements.txt
-include build-project/build-project.py
-include build-project/.python-version
-
-include src/pip/_vendor/README.rst
-include src/pip/_vendor/vendor.txt
-
-include docs/requirements.txt
-
-exclude .git-blame-ignore-revs
-exclude .mailmap
-exclude .readthedocs.yml
-exclude .pre-commit-config.yaml
-exclude .readthedocs-custom-redirects.yml
-exclude noxfile.py
-
-recursive-include src/pip/_vendor *.pem
-recursive-include src/pip/_vendor py.typed
-recursive-include docs *.css *.py *.rst *.md
-recursive-include docs *.dot *.png
-
-recursive-exclude src/pip/_vendor *.pyi
-
-prune .github
-prune docs/build
-prune news
-prune tests
-prune tools
diff --git a/build-project/build-requirements.in b/build-project/build-requirements.in
index 4bc215a28d0..07a76cea647 100644
--- a/build-project/build-requirements.in
+++ b/build-project/build-requirements.in
@@ -1,2 +1,2 @@
build
-setuptools
+flit-core
diff --git a/build-project/build-requirements.txt b/build-project/build-requirements.txt
index c0cf0575088..65b647daf2c 100644
--- a/build-project/build-requirements.txt
+++ b/build-project/build-requirements.txt
@@ -8,17 +8,15 @@ build==1.2.2.post1 \
--hash=sha256:1d61c0887fa860c01971625baae8bdd338e517b836a2f70dd1f7aa3a6b2fc5b5 \
--hash=sha256:b36993e92ca9375a219c99e606a122ff365a760a2d4bba0caa09bd5278b608b7
# via -r build-requirements.in
-packaging==24.2 \
- --hash=sha256:09abb1bccd265c01f4a3aa3f7a7db064b36514d2cba19a2f694fe6150451a759 \
- --hash=sha256:c228a6dc5e932d346bc5739379109d49e8853dd8223571c7c5b55260edc0b97f
+flit-core==3.12.0 \
+ --hash=sha256:18f63100d6f94385c6ed57a72073443e1a71a4acb4339491615d0f16d6ff01b2 \
+ --hash=sha256:e7a0304069ea895172e3c7bb703292e992c5d1555dd1233ab7b5621b5b69e62c
+ # via -r build-requirements.in
+packaging==25.0 \
+ --hash=sha256:29572ef2b1f17581046b3a2227d5c611fb25ec70ca1ba8554b24b0e69331a484 \
+ --hash=sha256:d443872c98d677bf60f6a1f2f8c1cb748e8fe762d2bf9d3148b5599295b0fc4f
# via build
pyproject-hooks==1.2.0 \
--hash=sha256:1e859bd5c40fae9448642dd871adf459e5e2084186e8d2c2a79a824c970da1f8 \
--hash=sha256:9e5c6bfa8dcc30091c74b0cf803c81fdd29d94f01992a7707bc97babb1141913
# via build
-
-# The following packages are considered to be unsafe in a requirements file:
-setuptools==80.9.0 \
- --hash=sha256:062d34222ad13e0cc312a4c02d73f059e86a4acbfbdea8f8f76b28c99f306922 \
- --hash=sha256:f36b47402ecde768dbfafc46e8e4207b4360c654f1f3bb84475f0a28628fb19c
- # via -r build-requirements.in
diff --git a/docs/html/development/architecture/anatomy.rst b/docs/html/development/architecture/anatomy.rst
index d5e205654ff..7a0fefbfa63 100644
--- a/docs/html/development/architecture/anatomy.rst
+++ b/docs/html/development/architecture/anatomy.rst
@@ -18,7 +18,6 @@ The ``README``, license, ``pyproject.toml``, and so on are in the top level.
* ``AUTHORS.txt``
* ``LICENSE.txt``
-* ``MANIFEST.in``
* ``NEWS.rst``
* ``pyproject.toml``
* ``README.rst``
diff --git a/pyproject.toml b/pyproject.toml
index 2da4e4aa2b5..7c68cc64433 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,5 @@
[project]
dynamic = ["version"]
-
name = "pip"
description = "The PyPA recommended tool for installing Python packages."
readme = "README.rst"
@@ -46,12 +45,13 @@ Source = "https://github.com/pypa/pip"
Changelog = "https://pip.pypa.io/en/stable/news/"
[build-system]
-requires = ["setuptools>=77"]
-build-backend = "setuptools.build_meta"
+requires = ["flit-core >=3.11,<4"]
+build-backend = "flit_core.buildapi"
[dependency-groups]
test = [
"cryptography",
+ "flit-core >= 3.11, < 4",
"freezegun",
"installer",
# pytest-subket requires 7.0+
@@ -73,37 +73,35 @@ test = [
]
test-common-wheels = [
+ "flit-core >= 3.11, < 4",
# We pin setuptools<80 because our test suite currently
# depends on setup.py develop to generate egg-link files.
"setuptools >= 40.8.0, != 60.6.0, <80",
"wheel",
+ "flit-core",
# As required by pytest-cov.
"coverage >= 4.4",
"pytest-subket >= 0.8.1",
]
-[tool.setuptools]
-package-dir = {"" = "src"}
-include-package-data = false
-
-[tool.setuptools.dynamic]
-version = {attr = "pip.__version__"}
-
-[tool.setuptools.packages.find]
-where = ["src"]
-exclude = ["contrib", "docs", "tests*", "tasks"]
-
-[tool.setuptools.package-data]
-"pip" = ["py.typed"]
-"pip._vendor" = ["vendor.txt"]
-"pip._vendor.certifi" = ["*.pem"]
-"pip._vendor.distlib" = [
- "t32.exe",
- "t64.exe",
- "t64-arm.exe",
- "w32.exe",
- "w64.exe",
- "w64-arm.exe",
+[tool.flit.sdist]
+include = [
+ "NEWS.rst",
+ "SECURITY.md",
+ "build-project/.python-version",
+ "build-project/build-project.py",
+ "build-project/build-requirements.in",
+ "build-project/build-requirements.txt",
+ "docs/requirements.txt",
+ "docs/**/*.css",
+ "docs/**/*.dot",
+ "docs/**/*.md",
+ "docs/**/*.png",
+ "docs/**/*.py",
+ "docs/**/*.rst",
+]
+exclude = [
+ "src/pip/_vendor/**/*.pyi",
]
######################################################################################
@@ -362,3 +360,15 @@ exclude_also = [
# This excludes typing-specific code, which will be validated by mypy anyway.
"if TYPE_CHECKING",
]
+
+[tool.check-sdist]
+git-only = [
+ "tests/**",
+ "tools/**",
+ "news/.gitignore",
+ ".gitattributes",
+ ".gitignore",
+ ".git-blame-ignore-revs",
+ ".mailmap",
+ ".readthedocs-custom-redirects.yml"
+]
From 95f685d279473a401314a4b583ebbcf6ce4720af Mon Sep 17 00:00:00 2001
From: Damian Shaw <damian.peter.shaw@gmail.com>
Date: Fri, 1 Aug 2025 20:59:19 -0400
Subject: [PATCH 2/5] Fix tests for flit
---
tests/functional/test_freeze.py | 41 ++++++++++++----------------
tests/functional/test_self_update.py | 3 ++
2 files changed, 21 insertions(+), 23 deletions(-)
diff --git a/tests/functional/test_freeze.py b/tests/functional/test_freeze.py
index 0a7cedd11cb..9883beb87fd 100644
--- a/tests/functional/test_freeze.py
+++ b/tests/functional/test_freeze.py
@@ -99,38 +99,33 @@ def test_freeze_with_pip(script: PipTestEnvironment) -> None:
def test_freeze_with_setuptools(script: PipTestEnvironment) -> None:
"""
- Test that pip shows setuptools only when --all is used
- or _should_suppress_build_backends() returns false
+ Test that pip shows setuptools only when --all is used on Python < 3.12,
+ otherwise it should be shown in default freeze output.
"""
result = script.pip("freeze", "--all")
assert "setuptools==" in result.stdout
- (script.site_packages_path / "mock.pth").write_text("import mock\n")
-
- (script.site_packages_path / "mock.py").write_text(
- textwrap.dedent(
- """\
- import pip._internal.commands.freeze as freeze
- freeze._should_suppress_build_backends = lambda: False
- """
- )
- )
-
+ # Test the default behavior (without --all)
result = script.pip("freeze")
- assert "setuptools==" in result.stdout
- (script.site_packages_path / "mock.py").write_text(
- textwrap.dedent(
- """\
- import pip._internal.commands.freeze as freeze
- freeze._should_suppress_build_backends = lambda: True
- """
+ should_suppress = sys.version_info < (3, 12)
+ if should_suppress:
+ # setuptools should be hidden in default freeze output
+ assert "setuptools==" not in result.stdout, (
+ f"setuptools should be suppressed in Python {sys.version_info[:2]} "
+ f"but was found in freeze output: {result.stdout}"
+ )
+ else:
+ # setuptools should be shown in default freeze output
+ assert "setuptools==" in result.stdout, (
+ f"setuptools should be shown in Python {sys.version_info[:2]} "
+ f"but was not found in freeze output: {result.stdout}"
)
- )
- result = script.pip("freeze")
- assert "setuptools==" not in result.stdout
+ # --all should always show setuptools regardless of version
+ result_all = script.pip("freeze", "--all")
+ assert "setuptools==" in result_all.stdout
def test_exclude_and_normalization(script: PipTestEnvironment, tmpdir: Path) -> None:
diff --git a/tests/functional/test_self_update.py b/tests/functional/test_self_update.py
index 1331a87c319..9019e89211d 100644
--- a/tests/functional/test_self_update.py
+++ b/tests/functional/test_self_update.py
@@ -8,6 +8,9 @@ def test_self_update_editable(script: Any, pip_src: Any) -> None:
# mode, that pip can safely update itself to an editable install.
# See https://github.com/pypa/pip/issues/12666 for details.
+ # Install flit-core (build backend) since we use --no-build-isolation
+ script.pip("install", "flit-core")
+
# Step 1. Install pip as non-editable. This is expected to succeed as
# the existing pip in the environment is installed in editable mode, so
# it only places a .pth file in the environment.
From 41352dfaae2b518b361158748303bf6b6a821336 Mon Sep 17 00:00:00 2001
From: Damian Shaw <damian.peter.shaw@gmail.com>
Date: Fri, 1 Aug 2025 20:59:26 -0400
Subject: [PATCH 3/5] News entry
---
news/13743.feature.rst | 2 ++
1 file changed, 2 insertions(+)
create mode 100644 news/13743.feature.rst
diff --git a/news/13743.feature.rst b/news/13743.feature.rst
new file mode 100644
index 00000000000..37f7db147f8
--- /dev/null
+++ b/news/13743.feature.rst
@@ -0,0 +1,2 @@
+Building pip itself from source now uses flit-core instead of setuptools.
+This does not affect how pip installs or builds packages you use.
From a7807befc6905429eb4127b6765283155d0e97f3 Mon Sep 17 00:00:00 2001
From: Damian Shaw <damian.peter.shaw@gmail.com>
Date: Sat, 2 Aug 2025 13:04:24 -0400
Subject: [PATCH 4/5] Install flit-core offline for `test_self_update_editable`
---
tests/functional/test_self_update.py | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/tests/functional/test_self_update.py b/tests/functional/test_self_update.py
index 9019e89211d..bd09736aead 100644
--- a/tests/functional/test_self_update.py
+++ b/tests/functional/test_self_update.py
@@ -1,15 +1,16 @@
# Check that pip can update itself correctly
+from pathlib import Path
from typing import Any
-def test_self_update_editable(script: Any, pip_src: Any) -> None:
+def test_self_update_editable(script: Any, pip_src: Any, common_wheels: Path) -> None:
# Test that if we have an environment with pip installed in non-editable
# mode, that pip can safely update itself to an editable install.
# See https://github.com/pypa/pip/issues/12666 for details.
# Install flit-core (build backend) since we use --no-build-isolation
- script.pip("install", "flit-core")
+ script.pip("install", "--no-index", "-f", common_wheels, "flit-core")
# Step 1. Install pip as non-editable. This is expected to succeed as
# the existing pip in the environment is installed in editable mode, so
From d652eb9a847e061818ef07ba3e8e2f795a959c0f Mon Sep 17 00:00:00 2001
From: Damian Shaw <damian.peter.shaw@gmail.com>
Date: Wed, 6 Aug 2025 20:54:24 -0400
Subject: [PATCH 5/5] Update pyproject.toml
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Co-authored-by: Stéphane Bidoul <stephane.bidoul@acsone.eu>
---
pyproject.toml | 1 -
1 file changed, 1 deletion(-)
diff --git a/pyproject.toml b/pyproject.toml
index 7c68cc64433..56180b9d4a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,7 +78,6 @@ test-common-wheels = [
# depends on setup.py develop to generate egg-link files.
"setuptools >= 40.8.0, != 60.6.0, <80",
"wheel",
- "flit-core",
# As required by pytest-cov.
"coverage >= 4.4",
"pytest-subket >= 0.8.1",
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