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Feat: add support for Python 3.14 #321

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chalmerlowe merged 16 commits into from
Oct 28, 2025
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Feat: add support for Python 3.14 #321

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0895d92
updates trove classifier
chalmerlowe Oct 23, 2025
fe34053
feat: Add constraints file for Python 3.14
chalmerlowe Oct 22, 2025
05194eb
ci: Add Python 3.14 to GitHub Actions workflow
chalmerlowe Oct 22, 2025
72667c9
fix(kokoro): Preserve NOX_SESSION in presubmit.cfg
chalmerlowe Oct 23, 2025
e265568
feat(ci): Add Python 3.14 support
chalmerlowe Oct 23, 2025
3047e61
🦉 Updates from OwlBot post-processor
gcf-owl-bot[bot] Oct 23, 2025
7c31e84
ci: Re-add Python 3.14 to unittest matrix
chalmerlowe Oct 23, 2025
2a9b3a4
🦉 Updates from OwlBot post-processor
gcf-owl-bot[bot] Oct 23, 2025
275d0d7
fix(owlbot): Use kwargs to control python versions in templates
chalmerlowe Oct 23, 2025
5148459
🦉 Updates from OwlBot post-processor
gcf-owl-bot[bot] Oct 23, 2025
44a5cd5
fix(owlbot): Ensure noxfile.py skips cpp impl for 3.14
chalmerlowe Oct 23, 2025
c66e25c
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7982e08
🦉 Updates from OwlBot post-processor
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Apply suggestion from @chalmerlowe
chalmerlowe Oct 23, 2025
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🦉 Updates from OwlBot post-processor 
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gcf-owl-bot[bot] committed Oct 23, 2025
commit 3047e619a0ab1ec2fc82d8ad026b6968364c5679
2 changes: 1 addition & 1 deletion .github/workflows/unittest.yml
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Expand Up @@ -11,7 +11,7 @@ jobs:
runs-on: ubuntu-22.04
strategy:
matrix:
python: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
python: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
steps:
- name: Checkout
uses: actions/checkout@v4
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4 changes: 1 addition & 3 deletions CONTRIBUTING.rst
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Expand Up @@ -22,7 +22,7 @@ In order to add a feature:
documentation.

- The feature must work fully on the following CPython versions:
3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13 and 3.14 on both UNIX and Windows.
3.7, 3.8, 3.9, 3.10, 3.11, 3.12 and 3.13 on both UNIX and Windows.

- The feature must not add unnecessary dependencies (where
"unnecessary" is of course subjective, but new dependencies should
Expand Down Expand Up @@ -228,7 +228,6 @@ We support:
- `Python 3.11`_
- `Python 3.12`_
- `Python 3.13`_
- `Python 3.14`_

.. _Python 3.7: https://docs.python.org/3.7/
.. _Python 3.8: https://docs.python.org/3.8/
Expand All @@ -237,7 +236,6 @@ We support:
.. _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`_.
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7 changes: 3 additions & 4 deletions noxfile.py
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Expand Up @@ -42,7 +42,6 @@
"3.11",
"3.12",
"3.13",
"3.14",
]
UNIT_TEST_STANDARD_DEPENDENCIES = [
"mock",
Expand Down Expand Up @@ -176,7 +175,7 @@ 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", "3.14"):
if protobuf_implementation == "cpp" and session.python in ("3.11", "3.12", "3.13"):
session.skip("cpp implementation is not supported in python 3.11+")

constraints_path = str(
Expand Down Expand Up @@ -371,15 +370,15 @@ def docfx(session):
)


@nox.session(python="3.14")
@nox.session(python="3.13")
@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", "3.14"):
if protobuf_implementation == "cpp" and session.python in ("3.11", "3.12", "3.13"):
session.skip("cpp implementation is not supported in python 3.11+")

# Install all dependencies
Expand Down