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Commit 78a48b0

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chalmerlowechalmerlowe
authored
fix(google-cloud-core): Drop support for Python 3.9 (#16953)
This PR updates \`google-cloud-core\` to establish Python 3.10 as the minimum supported version, dropping support for Python 3.7, 3.8, and 3.9. ### Changes * Configuration: Updated \`setup.py\` and \`noxfile.py\` to require Python 3.10+ and remove references to Python 3.9. * Documentation: Updated \`README.rst\` and \`CONTRIBUTING.rst\` to reflect supported Python versions. * Cleanup: Removed dead polyfill for \`importlib.metadata\` in \`google/cloud/obsolete/__init__.py\`. * Constraints: Transferred lower bounds to \`constraints-3.10.txt\` and dropped \`constraints-3.9.txt\`. * Fixes: Bumped \`grpcio\` to \`1.47.0\` to fix Python 3.10 build failures. Fixes internal issue: http://b/482126936 🦕
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‎packages/google-cloud-core/CONTRIBUTING.rst‎

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@@ -22,7 +22,7 @@ In order to add a feature:
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documentation.
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- The feature must work fully on the following CPython versions:
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3.9, 3.10, 3.11, 3.12, 3.13 and 3.14 on both UNIX and Windows.
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3.10, 3.11, 3.12, 3.13 and 3.14 on both UNIX and Windows.
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- The feature must not add unnecessary dependencies (where
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"unnecessary" is of course subjective, but new dependencies should
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We support:
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- `Python 3.9`_
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- `Python 3.10`_
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- `Python 3.11`_
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- `Python 3.12`_
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- `Python 3.13`_
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- `Python 3.14`_
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.. _Python 3.9: https://docs.python.org/3.9/
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.. _Python 3.10: https://docs.python.org/3.10/
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.. _Python 3.11: https://docs.python.org/3.11/
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.. _Python 3.12: https://docs.python.org/3.12/
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.. _config: https://github.com/googleapis/google-cloud-python/blob/main/noxfile.py
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We also explicitly decided to support Python 3 beginning with version 3.9.
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Reasons for this include:
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- Encouraging use of newest versions of Python 3
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- Taking the lead of `prominent`_ open-source `projects`_
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- `Unicode literal support`_ which allows for a cleaner codebase that
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works in both Python 2 and Python 3
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.. _prominent: https://docs.djangoproject.com/en/1.9/faq/install/#what-python-version-can-i-use-with-django
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.. _projects: http://flask.pocoo.org/docs/0.10/python3/
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.. _Unicode literal support: https://www.python.org/dev/peps/pep-0414/
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**********
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Versioning
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‎packages/google-cloud-core/README.rst‎

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@@ -32,9 +32,8 @@ to `Python Development Environment Setup Guide`_ for Google Cloud Platform.
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Supported Python Versions
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-------------------------
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Python >= 3.9
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Python >= 3.10
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Unsupported Python Versions
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---------------------------
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Python <= 3.8
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Python <= 3.9
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‎packages/google-cloud-core/docs/README.rst‎

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Supported Python Versions
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-------------------------
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Python >= 3.9
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Python >= 3.10
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Unsupported Python Versions
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---------------------------
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Python <= 3.8
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Python <= 3.9
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‎packages/google-cloud-core/google/cloud/obsolete/__init__.py‎

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"""Helpers for deprecated code and modules."""
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try:
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import importlib.metadata as metadata
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except ImportError:
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# For Python 3.7 compatibility
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import importlib_metadata as metadata # type: ignore[no-redef]
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import importlib.metadata as metadata
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import warnings
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‎packages/google-cloud-core/noxfile.py‎

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DEFAULT_PYTHON_VERSION = "3.14"
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UNIT_TEST_PYTHON_VERSIONS = [
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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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‎packages/google-cloud-core/pytest.ini‎

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error
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# Remove once https://github.com/protocolbuffers/protobuf/issues/12186 is fixed
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ignore:.*custom tp_new.*in Python 3.14:DeprecationWarning
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# Remove after support for Python 3.7 is dropped
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ignore:After January 1, 2024, new releases of this library will drop support for Python 3.7:DeprecationWarning
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# Remove once the minimum supported version of `google-api-core` is 2.15.0
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ignore:.*pkg_resources.declare_namespace:DeprecationWarning
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ignore:.*pkg_resources is deprecated as an API:DeprecationWarning
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# Remove after support for Python 3.8, 3.9 and/or 3.10+ is dropped
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# Remove after support for Python 3.10+ is dropped
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ignore:\s*You are using a (non-supported )?Python version \(?3\.(8|9|1[0-9]+):DeprecationWarning
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ignore:\s*You are using a (non-supported )?Python version \(?3\.(8|9|1[0-9]+):FutureWarning
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‎packages/google-cloud-core/setup.py‎

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]
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extras = {
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"grpc": [
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"grpcio >= 1.38.0, < 2.0.0; python_version < '3.14'",
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"grpcio >= 1.47.0, < 2.0.0; python_version < '3.14'",
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"grpcio >= 1.75.1, < 2.0.0; python_version >= '3.14'",
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"grpcio-status >= 1.38.0, < 2.0.0",
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"grpcio-status >= 1.47.0, < 2.0.0",
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],
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}
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"License :: OSI Approved :: Apache Software License",
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"Programming Language :: Python",
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"Programming Language :: Python :: 3",
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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=packages,
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install_requires=dependencies,
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extras_require=extras,
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python_requires=">=3.9",
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python_requires=">=3.10",
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include_package_data=True,
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zip_safe=False,
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)
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‎packages/google-cloud-core/testing/constraints-3.10.txt‎

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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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google-api-core==2.11.0
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google-auth==2.14.1
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grpcio==1.47.0
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grpcio-status==1.47.0
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# cryptography is a direct dependency of google-auth
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cryptography==38.0.3
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‎packages/google-cloud-core/testing/constraints-3.9.txt‎

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