pyarrow: Add version 16.1.0

.github/workflows/build-pyarrow.yml

@@ -77,6 +77,15 @@ jobs:
           - cp313-cp313
           - cp314-cp314
           - cp314-cp314t
+        exclude:
+          # 16.1.0 predates cp313 (released Oct 2024, ~5 months after this
+          # release) and never shipped a wheel past cp312 upstream either.
+          - version: "16.1.0"
+            python: cp313-cp313
+          - version: "16.1.0"
+            python: cp314-cp314
+          - version: "16.1.0"
+            python: cp314-cp314t
 
     env:
       PYARROW_VERSION: ${{ matrix.version }}
@@ -135,13 +144,23 @@ jobs:
           DIST=/tmp/arrow-dist
           BUILD=/tmp/arrow-build
 
+          # BUNDLED thirdparty deps are built via ExternalProject_Add with their own
+          # vendored cmake_minimum_required (e.g. gflags' is 2.8.12), below CMake 4's
+          # floor of 3.5. The image's cmake (pipx-installed, >= 4) hard-errors on that
+          # instead of warning. We don't control the ExternalProject configure line, but
+          # CMake also reads CMAKE_POLICY_VERSION_MINIMUM from the environment, which
+          # reaches every nested cmake invocation this build makes (gotcha 257).
+          export CMAKE_POLICY_VERSION_MINIMUM=3.5
+
           # ninja and OpenSSL headers aren't in the base image
           dnf install -y --setopt=install_weak_deps=False ninja-build openssl-devel
 
           mkdir -p "$BUILD"
           pushd "$BUILD"
           # The image ships OpenSSL shared-only, so force it shared (the rest stay static).
           # UNITY_BUILD off: bundled c-ares isn't unity-clean and upstream never compiles it.
+          # `-include cstdint`: older bundled Abseil (16.1.0 pins 20211102.0) relies on <cstdint>
+          # arriving transitively, which GCC 13+'s libstdc++ no longer does; EP_CXX_FLAGS hands it on.
           cmake \
               -DARROW_DEPENDENCY_SOURCE=BUNDLED \
               -DARROW_DEPENDENCY_USE_SHARED=OFF \
@@ -178,6 +197,7 @@ jobs:
               -DARROW_RPATH_ORIGIN=ON \
               -DARROW_USE_CCACHE=ON \
               -DCMAKE_BUILD_TYPE=release \
+              -DCMAKE_CXX_FLAGS="-include cstdint" \
               -DCMAKE_INSTALL_PREFIX="$DIST" \
               -DCMAKE_INSTALL_LIBDIR=lib \
               -DCMAKE_UNITY_BUILD=OFF \
@@ -224,7 +244,9 @@ jobs:
           # numpy/libcst: riscv64 wheels only in our registry
           "$pybin" -m pip install -U --extra-index-url "$PIP_EXTRA_INDEX_URL" \
               --only-binary=numpy,libcst "numpy>=2.0.0" "libcst>=1.8.6"
-          "$pybin" -m pip install -U "cython>=3.1" scikit-build-core setuptools_scm wheel build
+          # 16.1.0's setup.py imports pkg_resources, removed in setuptools 82 (gotcha 29),
+          # and passes an absolute write_to, rejected by setuptools_scm >= 10.1 (gotcha 663)
+          "$pybin" -m pip install -U "cython>=3.1" scikit-build-core "setuptools_scm<10" wheel build "setuptools<82"
           mkdir -p /output
           pushd "$ARROW_SRC/python"
           "$pybin" -m build --wheel --no-isolation \

docs/packages/pyarrow.yaml

@@ -2,6 +2,7 @@ package-name: pyarrow
 source-code: https://github.com/apache/arrow
 license: Apache-2.0
 versions:
+- version: 16.1.0
 - version: 25.0.1
   tag: pyarrow-v25.0.1-20260902125649
   files: