feat: Add support for Python 3.14

.github/workflows/lint.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.14"
     - name: Install nox
       run: |
         python -m pip install --upgrade setuptools pip wheel

.github/workflows/unittest.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python: ['3.9', '3.11', '3.12', '3.13']
+        python: ['3.9', '3.11', '3.12', '3.13', '3.14']
     steps:
     - name: Checkout
       uses: actions/checkout@v4
@@ -45,7 +45,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
+        python-version: "3.14"
     - name: Install coverage
       run: |
         python -m pip install --upgrade setuptools pip wheel

.kokoro/continuous/prerelease-deps.cfg → .kokoro/continuous/prerelease-deps-3.14.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "prerelease_deps"
+    value: "prerelease_deps-3.14"
 }

.kokoro/continuous/prerelease-deps-3.11.cfg → .kokoro/presubmit/prerelease-deps-3.14.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "prerelease_deps-3.11"
+    value: "prerelease_deps-3.14"
 }

.kokoro/presubmit/system-3.12.cfg → .kokoro/presubmit/system-3.14.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "system-3.12"
+    value: "system-3.14"
 }

CONTRIBUTING.rst

@@ -22,7 +22,7 @@ In order to add a feature:
   documentation.
 
 - The feature must work fully on the following CPython versions:
-  3.9, 3.11, 3.12 and 3.13 on both UNIX and Windows.
+  3.9, 3.11, 3.12, 3.13 and 3.14 on both UNIX and Windows.
 
 - The feature must not add unnecessary dependencies (where
   "unnecessary" is of course subjective, but new dependencies should
@@ -72,7 +72,7 @@ We use `nox <https://nox.readthedocs.io/en/latest/>`__ to instrument our tests.
 
 - To run a single unit test::
 
-    $ nox -s unit-3.13 -- -k <name of test>
+    $ nox -s unit-3.14 -- -k <name of test>
 
 
   .. note::
@@ -143,12 +143,12 @@ Running System Tests
    $ nox -s system
 
    # Run a single system test
-   $ nox -s system-3.13 -- -k <name of test>
+   $ nox -s system-3.14 -- -k <name of test>
 
 
   .. note::
 
-      System tests are only configured to run under Python 3.9, 3.11, 3.12 and 3.13.
+      System tests are only configured to run under Python 3.9, 3.11, and 3.14.
       For expediency, we do not run them in older versions of Python 3.
 
   This alone will not run the tests. You'll need to change some local
@@ -225,11 +225,13 @@ We support:
 -  `Python 3.11`_
 -  `Python 3.12`_
 -  `Python 3.13`_
+-  `Python 3.14`_
 
 .. _Python 3.9: https://docs.python.org/3.9/
 .. _Python 3.11: https://docs.python.org/3.11/
 .. _Python 3.12: https://docs.python.org/3.12/
 .. _Python 3.13: https://docs.python.org/3.13/
+.. _Python 3.14: https://docs.python.org/3.14/
 
 
 Supported versions can be found in our ``noxfile.py`` `config`_.

noxfile.py

@@ -32,9 +32,9 @@
 ISORT_VERSION = "isort==5.11.0"
 LINT_PATHS = ["docs", "bigquery_magics", "tests", "noxfile.py", "setup.py"]
 
-DEFAULT_PYTHON_VERSION = "3.10"
+DEFAULT_PYTHON_VERSION = "3.14"
 
-UNIT_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13"]
+UNIT_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13", "3.14"]
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
@@ -67,9 +67,14 @@
         "bigframes",
         "geopandas",
     ],
+    "3.14": [
+        "bqstorage",
+        "bigframes",
+        "geopandas",
+    ],
 }
 
-SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13"]
+SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.9", "3.11", "3.12", "3.13", "3.14"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
     "pytest",
@@ -99,6 +104,11 @@
         "bigframes",
         "geopandas",
     ],
+    "3.14": [
+        "bqstorage",
+        "bigframes",
+        "geopandas",
+    ],
 }
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
@@ -168,7 +178,7 @@ def format(session):
 @nox.session(python=DEFAULT_PYTHON_VERSION)
 def lint_setup_py(session):
     """Verify that setup.py is valid (including RST check)."""
-    session.install("docutils", "pygments")
+    session.install("docutils", "pygments", "setuptools")
     session.run("python", "setup.py", "check", "--restructuredtext", "--strict")
 
 
@@ -208,7 +218,12 @@ def install_unittest_dependencies(session, *constraints):
 def unit(session, protobuf_implementation):
     # Install all test dependencies, then install this package in-place.
 
-    if protobuf_implementation == "cpp" and session.python in ("3.11", "3.12", "3.13"):
+    if protobuf_implementation == "cpp" and session.python in (
+        "3.11",
+        "3.12",
+        "3.13",
+        "3.14",
+    ):
         session.skip("cpp implementation is not supported in python 3.11+")
 
     constraints_path = str(
@@ -408,15 +423,20 @@ def docfx(session):
     )
 
 
-@nox.session(python="3.13")
+@nox.session(python=DEFAULT_PYTHON_VERSION)
 @nox.parametrize(
     "protobuf_implementation",
     ["python", "upb", "cpp"],
 )
 def prerelease_deps(session, protobuf_implementation):
     """Run all tests with prerelease versions of dependencies installed."""
 
-    if protobuf_implementation == "cpp" and session.python in ("3.11", "3.12", "3.13"):
+    if protobuf_implementation == "cpp" and session.python in (
+        "3.11",
+        "3.12",
+        "3.13",
+        "3.14",
+    ):
         session.skip("cpp implementation is not supported in python 3.11+")
 
     # Install all dependencies

owlbot.py

@@ -38,10 +38,11 @@
     "3.11": [],
     "3.12": extras_storage + extras_spanner,
     "3.13": extras_bf,
+    "3.14": extras_bf,
 }
 templated_files = common.py_library(
-    unit_test_python_versions=["3.9", "3.11", "3.12", "3.13"],
-    system_test_python_versions=["3.9", "3.11", "3.12", "3.13"],
+    unit_test_python_versions=["3.9", "3.11", "3.12", "3.13", "3.14"],
+    system_test_python_versions=["3.9", "3.11", "3.12", "3.13", "3.14"],
     cov_level=100,
     unit_test_extras_by_python=extras_by_python,
     unit_test_external_dependencies=["google-cloud-testutils"],
@@ -50,7 +51,7 @@
         "pandas": "https://pandas.pydata.org/pandas-docs/stable/",
         "pydata-google-auth": "https://pydata-google-auth.readthedocs.io/en/latest/",
     },
-    default_python_version="3.10",
+    default_python_version="3.14",
 )
 s.move(
     templated_files,

setup.py

@@ -36,6 +36,8 @@
     "packaging >= 20.0.0",
     "pandas>=1.2.0",
     "pyarrow >= 3.0.0",
+    # See https://arrow.apache.org/release/22.0.0.html
+    "pyarrow >= 22.0.0; python_version >= '3.14'",
     "pydata-google-auth >=1.5.0",
     "tqdm >= 4.7.4, <5.0.0",
 ]
@@ -110,6 +112,7 @@
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
         "Operating System :: OS Independent",
         "Topic :: Internet",
     ],