chore: remove Python 3.7 support #1919

daniel-sanche · 2026-01-06T18:14:54Z

Removing support for EOL Python 3.7.

A warning was present in the README that support would be removed after January 2024

Also added a warning that Python 3.8 and 3.9 are also EOL, and will be removed in future updates

gemini-code-assist · 2026-01-06T18:15:11Z

Summary of Changes

Hello @daniel-sanche, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates the project's Python version compatibility by removing support for Python 3.7, which has reached its End-of-Life. The changes involve adjusting the minimum required Python version in the project configuration and updating the documentation to inform users about this change and future plans for dropping support for other EOL Python versions like 3.8 and 3.9.

Highlights

Python 3.7 Support Removal: The project has officially dropped support for Python 3.7, aligning with its End-of-Life status. The minimum required Python version is now 3.8, as reflected in setup.py and README.rst.
Documentation Updates for EOL Python Versions: The README.rst has been updated to clearly state the new minimum Python version and includes a forward-looking warning that Python 3.8 and 3.9 are also EOL and will have their support removed in future updates. Python 3.7 has also been explicitly added to the list of unsupported versions with its last compatible release.
Dependency Constraint Simplification: A conditional cryptography dependency constraint specific to Python versions older than 3.8 has been removed from setup.py, simplifying the project's dependency management.

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gemini-code-assist

Code Review

This pull request correctly removes support for Python 3.7 by updating setup.py and README.rst. The changes are straightforward and align with the goal of dropping an end-of-life Python version. I have a couple of minor suggestions for the README.rst file to improve its formatting and readability.

gemini-code-assist · 2026-01-06T18:16:37Z

README.rst

+Python 3.8 and Python 3.9 were marked as `unsupported`_ by the python community in 
+October 2024 and October 2025 respectively.


This line break occurs in the middle of a phrase, which can be slightly awkward to read in the raw RST file. For better readability, it would be best to have this sentence on a single line.

Suggested change

Python 3.8 and Python 3.9 were marked as `unsupported`_ by the python community in

October 2024 and October 2025 respectively.

Python 3.8 and Python 3.9 were marked as `unsupported`_ by the python community in October 2024 and October 2025 respectively.

gemini-code-assist · 2026-01-06T18:16:37Z

README.rst

+- Python 3.7:   The last version of this library with support for Python 3.7
+  was `google.auth == 2.45.0`.
+
+


There's an extra blank line here. In reStructuredText, a single blank line is sufficient to separate paragraphs or list items. This extra line is unnecessary and can be removed.

vchudnov-g

One substantive comment and one nit.

vchudnov-g · 2026-01-06T20:01:28Z

google/oauth2/__init__.py

+    You are using a Python version {} past its end of life. Google will update
+    google-auth with critical bug fixes on a best-effort basis, but not
+    with any other fixes or features. Please upgrade your Python version,
+    and then update google-auth.


Do google/auth and google/oauth2 get released as part of the same PyPI package? In that case, could we re-use this check rather than duplicating it? If not, should this message say "google-oauth2"?

I believe it's all released as a single package

I worry a bit about complications importing from one package to the other, or adding shared logic to the root /google directory. I'm not entirely sure if that would be a problem, but I can imagine a few ways that could get messy. I thought it would be safer to use the existing logic, which was duplicated.

I can try to look into it a bit more, but we do need something working today, since this is blocking a release

Yeah, it looks like:

adding an init.py to /google isn't an option, since it's a shared namespace, so that could interfere with other packages

if we kept the shared logic in auth and imported it in oauth2, there would be circular dependencies

we may be able to get away with importing oauth2 from oauth. But I worry that will still cause import headaches, and import bloat

These lines are meant to be temporary, and will be replaced by your more robust version check system soon. I opened a bug to track that work. Let me know what you think

sgtm. (I'd make the bug a p2 chore, but we can discuss that separately.)

README.rst

Co-authored-by: Victor Chudnovsky <[email protected]>

…ge (#14999) Fixes test failures such as https://btx.cloud.google.com/invocations/046f57c8-7637-4cc8-9cf3-02a45fb1b063 It seems to have been caused by the recent changes in auth: googleapis/google-auth-library-python#1919 googleapis/google-auth-library-python#1590 Example error log: ``` _ ERROR collecting tests/unit/gapic/bigquery_storage_v1/test_big_query_read.py _ ImportError while importing test module '/tmpfs/src/github/google-cloud-python/packages/google-cloud-bigquery-storage/tests/unit/gapic/bigquery_storage_v1/test_big_query_read.py'. Hint: make sure your test modules/packages have valid Python names. Traceback: /usr/local/lib/python3.14/importlib/__init__.py:88: in import_module return _bootstrap._gcd_import(name[level:], package, level) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ tests/unit/gapic/bigquery_storage_v1/test_big_query_read.py:42: in from google.api_core import gapic_v1, grpc_helpers, grpc_helpers_async, path_template .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/api_core/gapic_v1/__init__.py:18: in from google.api_core.gapic_v1 import method .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/api_core/gapic_v1/method.py:24: in from google.api_core import grpc_helpers .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/api_core/grpc_helpers.py:23: in import google.auth.transport.grpc .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/auth/transport/grpc.py:23: in from google.oauth2 import service_account .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/oauth2/service_account.py:78: in from google.auth import _service_account_info .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/auth/_service_account_info.py:20: in from google.auth import crypt .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/auth/crypt/__init__.py:41: in from google.auth.crypt import es .nox/prerelease_deps-protobuf_implementation-python/lib/python3.14/site-packages/google/auth/crypt/es.py:21: in import cryptography.exceptions E ModuleNotFoundError: No module named 'cryptography' ```

chore: remove python 3.7 support

9757c79

gemini-code-assist bot reviewed Jan 6, 2026

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daniel-sanche marked this pull request as ready for review January 6, 2026 18:22

daniel-sanche requested review from a team as code owners January 6, 2026 18:22

daniel-sanche added 3 commits January 6, 2026 10:38

updated warning

0447128

updated CONTRIBUTING.md

a439b11

removed python 2 error

fd79ff5

daniel-sanche requested a review from a team as a code owner January 6, 2026 18:41

daniel-sanche added 3 commits January 6, 2026 11:05

removed python 2 tests

66b9985

added test for version warning

d7d4380

fixed lint

6e34ed7

vchudnov-g previously approved these changes Jan 6, 2026

View reviewed changes

Update README.rst

08312f5

Co-authored-by: Victor Chudnovsky <[email protected]>

daniel-sanche dismissed vchudnov-g’s stale review via 08312f5 January 6, 2026 20:04

Merge branch 'main' into drop-37

0c69825

vchudnov-g approved these changes Jan 6, 2026

View reviewed changes

daniel-sanche merged commit 25f4ca6 into main Jan 6, 2026
17 checks passed

daniel-sanche deleted the drop-37 branch January 6, 2026 21:03

daniel-sanche mentioned this pull request Jan 6, 2026

fix: Python 3.7 support #1920

Closed

Linchin mentioned this pull request Jan 8, 2026

test: Add 'cryptography' 'cachetools' to test deps for bigquery-storage googleapis/google-cloud-python#14999

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chore: remove Python 3.7 support #1919

chore: remove Python 3.7 support #1919

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daniel-sanche Jan 6, 2026 •

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		Python 3.8 and Python 3.9 were marked as `unsupported`_ by the python community in
		October 2024 and October 2025 respectively.

		- Python 3.7: The last version of this library with support for Python 3.7
		was `google.auth == 2.45.0`.

chore: remove Python 3.7 support #1919

chore: remove Python 3.7 support #1919

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