INTPYTHON-805 & INTPYTHON-704 Add support for PyArrow 22 and Python 3.14

.github/workflows/dist-python.yml

@@ -39,17 +39,10 @@ jobs:
         - [ubuntu-24.04, manylinux_aarch64]
         - [macos-14, macosx_*]
         - [windows-2022, win_amd64]
-        python: ["cp39", "cp310", "cp311", "cp312", "cp313", "cp313t"]
+        python: ["cp310", "cp311", "cp312", "cp313", "cp314", "cp314t"]
         exclude:
-          - buildplat: [macos-14, macosx_*]
-            python: "cp39"
           - buildplat: [windows-2022, win_amd64]
-            python: "cp313t"
-        include:
-          - buildplat: [macos-latest, macosx_*]
-            python: "cp39"
-
-
+            python: "cp314t"
     steps:
       - name: Checkout pymongoarrow
         uses: actions/checkout@v6
@@ -87,22 +80,12 @@ jobs:
           pipx install "cmake>=3.15,<4"
 
       - name: Install deps
-        run: python -m pip install "cibuildwheel>=2.4,<3" uv rust-just
-
-      - name: Build MacOS Py39 Wheels
-        if: ${{ matrix.python == 'cp39' && matrix.buildplat[0] == 'macos-11' }}
-        env:
-          MACOS_TEST_SKIP: "*arm64"
-          CIBW_BUILD: cp39-macosx_*
-          CIBW_ENABLE: cpython-freethreading
-          MACOSX_DEPLOYMENT_TARGET: "10.14"
-        run: python -m cibuildwheel --output-dir wheelhouse
+        run: python -m pip install "cibuildwheel>=3.3,<4" uv rust-just
 
       - name: Build wheels
         if: ${{ matrix.buildplat[0] != 'macos-11' }}
         env:
           CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
-          CIBW_ENABLE: cpython-freethreading
           MACOSX_DEPLOYMENT_TARGET: "12.0"
         run: python -m cibuildwheel --output-dir wheelhouse
 
@@ -123,7 +106,7 @@ jobs:
       - uses: actions/setup-python@v6
         with:
           # Build sdist on lowest supported Python
-          python-version: '3.9'
+          python-version: '3.10'
 
       - name: Install deps
         run: |

.github/workflows/test-python.yml

@@ -37,7 +37,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "macos-latest", "windows-latest"]
-        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13", "3.13t"]
+        python-version: [ "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
       fail-fast: false
     name: CPython ${{ matrix.python-version }}-${{ matrix.os }}
     steps:
@@ -138,7 +138,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
-          python-version: 3.9
+          python-version: "3.10"
           cache: 'pip'
           cache-dependency-path: '**/pyproject.toml'
       - name: Install Deps
@@ -159,7 +159,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
-          python-version: 3.9
+          python-version: "3.10"
           cache: 'pip'
           cache-dependency-path: '**/pyproject.toml'
       - name: Install Deps

bindings/python/CHANGELOG.md

@@ -3,6 +3,12 @@
 
 ---
 
+# Changes in Version 1.11.0 (2025/XX/YY)
+
+- Add support for PyArrow 22.0.
+- Add support for Python 3.14 and 3.14 free-threaded on Linux and MacOS.
+- Drop support for Python 3.9 and Python 3.13 free-threaded.
+
 # Changes in Version 1.10.0 (2025/08/05)
 
 - Add support for PyArrow 21.0.

bindings/python/CONTRIBUTING.md

@@ -13,7 +13,7 @@ be of interest or that has already been addressed.
 
 ## Supported Interpreters
 
-PyMongoArrow supports CPython 3.9+ and PyPy3.9+. Language features not
+PyMongoArrow supports CPython 3.10+. Language features not
 supported by all interpreters can not be used.
 
 ## Style Guide

bindings/python/justfile

@@ -14,7 +14,7 @@ import-check:
     uv run python -c "from pymongoarrow.lib import libbson_version"
 
 benchmark *args:
-    uv sync --dev --extra test --extra test-polars --extra test-pandas
+    uv sync --dev --group benchmark --extra test --extra test-polars --extra test-pandas
     uv run asv run -e --python=$(uv run python -c "import sys;print(sys.executable)") {{args}}
 
 install:

bindings/python/pyproject.toml

@@ -6,7 +6,7 @@ requires = [
     # Needed for numpy headers.
     "numpy>=2.0",
     # Must be kept in sync with "project.dependencies" below.
-    "pyarrow>=21.0,<21.1.0",
+    "pyarrow>=22.0,<22.1.0",
 ]
 
 [project]
@@ -25,19 +25,19 @@ classifiers = [
     "Operating System :: POSIX",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Programming Language :: Python :: Implementation :: CPython",
     "Topic :: Database",
 ]
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     # Must be kept in sync with "build_sytem.requires" above.
-    "pyarrow >=21.0,<21.1",
+    "pyarrow >=22.0,<22.1",
     "pymongo >=4.4,<5",
     "numpy>=2.0.1",
     "packaging >=23.2",
@@ -107,6 +107,7 @@ filterwarnings = [
   "error",
   "module:The global interpreter lock:RuntimeWarning", # from pandas
   "module:matching against an empty string will:pytest.PytestWarning", # from pandas
+  "module:.*behaviour will change in pandas 3.0:FutureWarning", # from pandas
 ]
 
 [tool.ruff]
@@ -149,17 +150,19 @@ exclude = [
 "setup.py" = ["PTH", "EM", "B", "S", "E501"]
 "docs/source/conf.py" = ["E501", "S", "PTH"]
 "benchmarks.py" = ["T201", "E501", "C4"]
-"test/*.py" = ["PT", "S", "ARG", "B", "C", "EM", "E501", "RUF005"]
+"test/*.py" = ["PT", "S", "ARG", "B", "C", "EM", "E501", "RUF005", "UP038"]
 
 [dependency-groups]
 dev = [
-    "asv>=0.6.4",
     "check-manifest>=0.50",
     "packaging>=25.0",
     "pre-commit>=4.2.0",
     "setuptools>=79.0.0",
     "sphinx-autobuild>=2024.10.3",
 ]
+benchmark = [
+  "asv>=0.6.4"
+]
 docs = [
   "sphinx>=5.3,<9",
   "sphinx_rtd_theme>=2,<4",