feat: add support for Python 3.13

Author: parthea

.github/sync-repo-settings.yaml

@@ -10,14 +10,15 @@ branchProtectionRules:
   requiresStrictStatusChecks: true
   requiredStatusCheckContexts:
     - 'Kokoro'
-    - 'Kokoro system-3.12'
-    - 'Kokoro snippets-3.12'
+    - 'Kokoro system-3.13'
+    - 'Kokoro snippets-3.13'
     - 'cla/google'
     - 'Samples - Lint'
     - 'Samples - Python 3.9'
     - 'Samples - Python 3.10'
     - 'Samples - Python 3.11'
     - 'Samples - Python 3.12'
+    - 'Samples - Python 3.13'
 - pattern: v2
   requiresLinearHistory: true
   requiresCodeOwnerReviews: true

…koro/continuous/prerelease-deps-3.12.cfg …koro/continuous/prerelease-deps-3.13.cfg.kokoro/continuous/prerelease-deps-3.12.cfg renamed to .kokoro/continuous/prerelease-deps-3.13.cfg .kokoro/continuous/prerelease-deps-3.12.cfg renamed to .kokoro/continuous/prerelease-deps-3.13.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "prerelease_deps-3.12"
+    value: "prerelease_deps-3.13"
 }

.kokoro/presubmit/snippets-3.12.cfg .kokoro/presubmit/snippets-3.13.cfg.kokoro/presubmit/snippets-3.12.cfg renamed to .kokoro/presubmit/snippets-3.13.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "snippets-3.12"
+    value: "snippets-3.13"
 }

.kokoro/presubmit/system-3.12.cfg .kokoro/presubmit/system-3.13.cfg.kokoro/presubmit/system-3.12.cfg renamed to .kokoro/presubmit/system-3.13.cfg

@@ -3,5 +3,5 @@
 # Only run this nox session.
 env_vars: {
     key: "NOX_SESSION"
-    value: "system-3.12"
-}
+    value: "system-3.13"
+}

CONTRIBUTING.rst

@@ -143,12 +143,13 @@ Running System Tests
    $ nox -s system
 
    # Run a single system test
-   $ nox -s system-3.9 -- -k <name of test>
+   $ nox -s system-3.13 -- -k <name of test>
 
 
   .. note::
 
-      System tests are configured to run under Python 3.9, 3.11, 3.12.
+      System tests are only configured to run under Python 3.9 and 3.13.
+      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
   auth settings and change some configuration in your project to
@@ -194,11 +195,11 @@ configure them just like the System Tests.
 
    # Run all tests in a folder
    $ cd samples/snippets
-   $ nox -s py-3.9
+   $ nox -s py-3.8
 
    # Run a single sample test
    $ cd samples/snippets
-   $ nox -s py-3.9 -- -k <name of test>
+   $ nox -s py-3.8 -- -k <name of test>
 
 ********************************************
 Note About ``README`` as it pertains to PyPI
@@ -238,7 +239,7 @@ Supported versions can be found in our ``noxfile.py`` `config`_.
 .. _config: https://github.com/googleapis/python-bigquery/blob/main/noxfile.py
 
 
-We also explicitly decided to support Python 3 beginning with version 3.7.
+We also explicitly decided to support Python 3 beginning with version 3.9.
 Reasons for this include:
 
 -  Encouraging use of newest versions of Python 3

noxfile.py

@@ -38,8 +38,8 @@
 )
 
 DEFAULT_PYTHON_VERSION = "3.9"
-SYSTEM_TEST_PYTHON_VERSIONS = ["3.9", "3.11", "3.12"]
-UNIT_TEST_PYTHON_VERSIONS = ["3.9", "3.11", "3.12"]
+SYSTEM_TEST_PYTHON_VERSIONS = ["3.9", "3.11", "3.12", "3.13"]
+UNIT_TEST_PYTHON_VERSIONS = ["3.9", "3.11", "3.12", "3.13"]
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
 
 

owlbot.py

@@ -55,6 +55,9 @@
         "geopandas": "https://geopandas.org/",
         "pandas": "https://pandas.pydata.org/pandas-docs/stable/",
     },
+    system_test_python_versions=["3.9", "3.13"],
+    unit_test_python_versions=["3.9", "3.10", "3.11", "3.12", "3.13"],
+    default_python_version="3.9",
 )
 
 # BigQuery has a custom multiprocessing note
@@ -86,41 +89,7 @@
 python3.9 -m pip install --upgrade --quiet nox virtualenv==20.26.6""",
     "python3.9 -m pip install --upgrade --quiet nox virtualenv",
 )
-s.replace(
-    "CONTRIBUTING.rst",
-    "3.7, 3.8, 3.9, 3.10, 3.11, 3.12 and 3.13 on both UNIX and Windows.",
-    "3.9, 3.10, 3.11, 3.12 and 3.13 on both UNIX and Windows.",
-)
-s.replace(
-    "CONTRIBUTING.rst",
-    r"   \$ nox -s system-3.8 -- -k <name of test>",
-    r"   $ nox -s system-3.9 -- -k <name of test>",
-)
-s.replace(
-    "CONTRIBUTING.rst",
-    r"""System tests are only configured to run under Python 3.8.
-      For expediency, we do not run them in older versions of Python 3.""",
-    r"System tests are configured to run under Python 3.9, 3.11, 3.12.",
-)
-s.replace(
-    "CONTRIBUTING.rst",
-    r"\$ nox -s py-3.8",
-    r"$ nox -s py-3.9",
-)
-s.replace(
-    "CONTRIBUTING.rst",
-    r"""-  `Python 3.7`_
--  `Python 3.8`_
-""",
-    r"",
-)
-s.replace(
-    "CONTRIBUTING.rst",
-    r""".. _Python 3.7: https://docs.python.org/3.7/
-.. _Python 3.8: https://docs.python.org/3.8/
-""",
-    r"",
-)
+
 s.replace(
     "scripts/readme-gen/templates/install_deps.tmpl.rst",
     r"Samples are compatible with Python 3.7",

pyproject.toml

@@ -37,6 +37,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Operating System :: OS Independent",
   "Topic :: Internet",
 ]