From 216af108054f94c055ecbb49b5b19544cbec6a23 Mon Sep 17 00:00:00 2001
From: Ralf Gommers <ralf.gommers@gmail.com>
Date: Fri, 16 May 2025 05:32:41 +0200
Subject: [PATCH] CI: clean up wheel build workarounds now that Cython 3.1.0 is
 out

---
 .gitattributes                       |  2 --
 .github/workflows/wheels.yml         |  4 ----
 MANIFEST.in                          |  2 --
 pyproject.toml                       |  4 ++--
 scripts/cibw_before_build.sh         |  8 --------
 scripts/cibw_before_build_windows.sh | 13 -------------
 6 files changed, 2 insertions(+), 31 deletions(-)
 delete mode 100644 scripts/cibw_before_build_windows.sh

diff --git a/.gitattributes b/.gitattributes
index d94c19e7edb1f..bc7dec642df0f 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -84,5 +84,3 @@ pandas/tests/io/parser/data export-ignore
 
 # Include cibw script in sdist since it's needed for building wheels
 scripts/cibw_before_build.sh -export-ignore
-scripts/cibw_before_build_windows.sh -export-ignore
-scripts/cibw_before_test_windows.sh -export-ignore
diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index 512db65e866b4..af9c48c57c535 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -102,10 +102,6 @@ jobs:
         # TODO: support PyPy?
         python: [["cp310", "3.10"], ["cp311", "3.11"], ["cp312", "3.12"], ["cp313", "3.13"], ["cp313t", "3.13"]]
         include:
-        # TODO: Remove this plus installing build deps in cibw_before_build.sh
-        # after pandas can be built with a released NumPy/Cython
-        - python: ["cp313t", "3.13"]
-          cibw_build_frontend: 'pip; args: --no-build-isolation'
         # Build Pyodide wheels and upload them to Anaconda.org
         # NOTE: this job is similar to the one in unit-tests.yml except for the fact
         # that it uses cibuildwheel instead of a standard Pyodide xbuildenv setup.
diff --git a/MANIFEST.in b/MANIFEST.in
index c59151f340545..a7d7d7eb4e062 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -65,5 +65,3 @@ graft pandas/_libs/include
 
 # Include cibw script in sdist since it's needed for building wheels
 include scripts/cibw_before_build.sh
-include scripts/cibw_before_build_windows.sh
-include scripts/cibw_before_test_windows.sh
diff --git a/pyproject.toml b/pyproject.toml
index 527c656e9dec4..370bd0e0605cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -154,12 +154,12 @@ test-command = """
   pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db", "-n 2", "--no-strict-data-files"]); \
   pd.test(extra_args=["-m not clipboard and single_cpu and not slow and not network and not db", "--no-strict-data-files"]);' \
   """
-free-threaded-support = true
+enable = ["cpython-freethreading"]
 before-build = "PACKAGE_DIR={package} bash {package}/scripts/cibw_before_build.sh"
 
 [tool.cibuildwheel.windows]
 environment = {}
-before-build = "pip install delvewheel && bash {package}/scripts/cibw_before_build_windows.sh"
+before-build = "pip install delvewheel"
 test-command = """
   set PANDAS_CI='1' && \
   python -c "import pandas as pd; \
diff --git a/scripts/cibw_before_build.sh b/scripts/cibw_before_build.sh
index d326dd3637314..274848972bd7e 100644
--- a/scripts/cibw_before_build.sh
+++ b/scripts/cibw_before_build.sh
@@ -3,11 +3,3 @@
 for file in $PACKAGE_DIR/LICENSES/*; do
   cat $file >> $PACKAGE_DIR/LICENSE
 done
-
-# TODO: Delete when there's a PyPI Cython release that supports free-threaded Python 3.13.
-FREE_THREADED_BUILD="$(python -c"import sysconfig; print(bool(sysconfig.get_config_var('Py_GIL_DISABLED')))")"
-if [[ $FREE_THREADED_BUILD == "True" ]]; then
-    python -m pip install -U pip
-    python -m pip install -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple cython
-    python -m pip install numpy ninja meson-python versioneer[toml]
-fi
diff --git a/scripts/cibw_before_build_windows.sh b/scripts/cibw_before_build_windows.sh
deleted file mode 100644
index 8f001db566a1d..0000000000000
--- a/scripts/cibw_before_build_windows.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/bash
-# Add 3rd party licenses, like numpy does
-for file in $PACKAGE_DIR/LICENSES/*; do
-  cat $file >> $PACKAGE_DIR/LICENSE
-done
-
-# TODO: Delete when there's a PyPI Cython release that supports free-threaded Python 3.13
-FREE_THREADED_BUILD="$(python -c"import sysconfig; print(bool(sysconfig.get_config_var('Py_GIL_DISABLED')))")"
-if [[ $FREE_THREADED_BUILD == "True" ]]; then
-    python -m pip install -U pip
-    python -m pip install -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple cython
-    python -m pip install ninja meson-python versioneer[toml] numpy
-fi