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Commit dcbdd3b

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chalmerlowechalmerlowe
authored
fix(google-auth): Drop support for Python 3.8 and 3.9 (googleapis#16946)
This PR updates `google-auth` to establish Python 3.10 as the minimum supported version, dropping support for Python 3.9 and below. ### Changes * Configuration: Updated `setup.py` and `noxfile.py` to require Python 3.10+ and remove references to Python 3.7, 3.8, and 3.9. * Documentation: Updated `README.rst` and `CONTRIBUTING.rst` to state that Python 3.10 is the minimum. * Cleanup: Removed EOL warning code from source and tests. * Constraints: Transferred lower bounds to `constraints-3.10.txt` and dropped 3.8/3.9 files. > [!NOTE] > During local testing with Docker, 7 async tests failed on Python 3.10 inside `tests_async/transport/test_aiohttp_requests.py` (though all tests passed successfully on 3.11 - 3.14). We are pushing to see if these failures replicate on GitHub Actions or if they are just a local environment quirk. Fixes internal issue: http://b/482126936 🦕
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‎packages/google-auth/CONTRIBUTING.rst‎

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@@ -19,7 +19,7 @@ A few notes on making changes to ``google-auth-library-python``.
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using ``nox -s docs``.
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- The change must work fully on the following CPython versions:
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3.8, 3.9, 3.10, 3.11, 3.12, 3.13 and 3.14 across macOS, Linux, and Windows.
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3.10, 3.11, 3.12, 3.13 and 3.14 across macOS, Linux, and Windows.
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- The codebase *must* have 100% test statement coverage after each commit.
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You can test coverage via ``nox -e cover``.
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‎packages/google-auth/README.rst‎

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@@ -35,18 +35,7 @@ Note that the extras pyopenssl and enterprise_cert should not be used together b
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Supported Python Versions
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^^^^^^^^^^^^^^^^^^^^^^^^^
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Python >= 3.8
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**NOTE**:
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Python 3.8 and Python 3.9 were marked as `unsupported`_ by the python community in
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October 2024 and October 2025, respectively.
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We recommend that all developers upgrade to Python 3.10 and newer as soon as
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they can. Support for end-of-life Python runtimes will be removed from this
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library in future updates.
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Previous releases that support end-of-life Python versions will continue to be available
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for download, but future releases will only target supported versions.
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.. _unsupported: https://devguide.python.org/versions/#unsupported-versions
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Python >= 3.10
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Unsupported Python Versions
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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‎packages/google-auth/google/auth/__init__.py‎

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"""Google Auth Library for Python."""
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import logging
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import sys
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import warnings
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from google.auth import version as google_auth_version
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from google.auth._default import (
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__all__ = ["default", "load_credentials_from_file", "load_credentials_from_dict"]
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class Python37DeprecationWarning(DeprecationWarning): # pragma: NO COVER
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"""
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Deprecation warning raised when Python 3.7 runtime is detected.
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Python 3.7 support will be dropped after January 1, 2024.
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"""
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pass
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# Raise warnings for deprecated versions
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eol_message = (
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"You are using a Python version {} past its end of life. Google will update "
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"google-auth with critical bug fixes on a best-effort basis, but not "
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"with any other fixes or features. Please upgrade your Python version, "
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"and then update google-auth."
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)
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if sys.version_info.major == 3 and sys.version_info.minor == 8: # pragma: NO COVER
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warnings.warn(eol_message.format("3.8"), FutureWarning)
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elif sys.version_info.major == 3 and sys.version_info.minor == 9: # pragma: NO COVER
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warnings.warn(eol_message.format("3.9"), FutureWarning)
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# Set default logging handler to avoid "No handler found" warnings.
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logging.getLogger(__name__).addHandler(logging.NullHandler())
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‎packages/google-auth/google/oauth2/__init__.py‎

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# limitations under the License.
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"""Google OAuth 2.0 Library for Python."""
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import sys
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import warnings
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class Python37DeprecationWarning(DeprecationWarning): # pragma: NO COVER
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"""
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Deprecation warning raised when Python 3.7 runtime is detected.
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Python 3.7 support will be dropped after January 1, 2024.
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"""
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pass
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# Raise warnings for deprecated versions
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eol_message = (
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"You are using a Python version {} past its end of life. Google will update "
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"google-auth with critical bug fixes on a best-effort basis, but not "
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"with any other fixes or features. Please upgrade your Python version, "
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"and then update google-auth."
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)
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if sys.version_info.major == 3 and sys.version_info.minor == 8: # pragma: NO COVER
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warnings.warn(eol_message.format("3.8"), FutureWarning)
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elif sys.version_info.major == 3 and sys.version_info.minor == 9: # pragma: NO COVER
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warnings.warn(eol_message.format("3.9"), FutureWarning)
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‎packages/google-auth/noxfile.py‎

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DEFAULT_PYTHON_VERSION = "3.14"
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UNIT_TEST_PYTHON_VERSIONS = [
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"3.8",
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"3.9",
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"3.10",
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"3.11",
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"3.12",
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"3.13",
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"3.14",
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]
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ALL_PYTHON = UNIT_TEST_PYTHON_VERSIONS.copy()
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ALL_PYTHON.extend(["3.7"])
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# Error if a python version is missing
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nox.options.error_on_missing_interpreters = True
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def unit(session, install_deprecated_extras):
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# Install all test dependencies, then install this package in-place.
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if session.python in ("3.7",):
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session.skip("Python 3.7 is no longer supported")
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min_py, max_py = UNIT_TEST_PYTHON_VERSIONS[0], UNIT_TEST_PYTHON_VERSIONS[-1]
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if not install_deprecated_extras and session.python not in (min_py, max_py):
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# only run double tests on first and last supported versions
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‎packages/google-auth/setup.py‎

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requests_extra_require = ["requests >= 2.20.0, < 3.0.0"]
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aiohttp_extra_require = ["aiohttp >= 3.6.2, < 4.0.0", *requests_extra_require]
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aiohttp_extra_require = ["aiohttp >= 3.8.0, < 4.0.0", *requests_extra_require]
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pyjwt_extra_require = ["pyjwt>=2.0"]
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package_data={"google.auth": ["py.typed"], "google.oauth2": ["py.typed"]},
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install_requires=DEPENDENCIES,
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extras_require=extras,
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python_requires=">=3.8",
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python_requires=">=3.10",
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license="Apache 2.0",
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keywords="google auth oauth client",
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classifiers=[
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"Programming Language :: Python :: 3",
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"Programming Language :: Python :: 3.8",
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"Programming Language :: Python :: 3.9",
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"Programming Language :: Python :: 3.10",
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"Programming Language :: Python :: 3.11",
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"Programming Language :: Python :: 3.12",
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‎packages/google-auth/testing/constraints-3.10.txt‎

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urllib3<2.0.0
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# This constraints file is used to check that lower bounds
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# are correct in setup.py
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# List *all* library dependencies and extras in this file.
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# Pin the version to the lower bound.
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#
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# e.g., if setup.py has "foo >= 1.14.0, < 2.0.0dev",
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# Then this file should have foo==1.14.0
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pyasn1-modules==0.2.1
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setuptools==40.3.0
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cryptography==38.0.3
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aiohttp==3.8.0
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requests==2.20.0
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pyjwt==2.0
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‎packages/google-auth/testing/constraints-3.8.txt‎

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‎packages/google-auth/testing/constraints-3.9.txt‎

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‎packages/google-auth/tests/test_version_warnings.py‎

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