chore: librarian release pull request: 20251118T221423Z by ohmayr · Pull Request #1458 · googleapis/python-spanner · GitHub

PR created by the Librarian CLI to initialize a release. Merging this PR will auto trigger a release.

Librarian Version: v1.0.0
Language Image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:e601da6e29c993e14c52867f2c088dfb841beae618d2a4f1e0f7970a888ab020

google-cloud-spanner: 3.60.0

3.60.0 (2025-11-18)

Features

Exposing AutoscalingConfig in InstancePartition (8b6f1540)
add support for experimental host (feat: add support for experimental host #1452) (9535e5e0)
enable OpenTelemetry metrics and tracing by default (feat(observability): enable OpenTelemetry metrics and tracing by default #1410) (bb5095df)
add cloud.region, request_tag and transaction_tag in span attributes (feat: add cloud.region, request_tag and transaction_tag in span attributes #1449) (d37fb80a)

Bug Fixes

Deprecate credentials_file argument (8b6f1540)
configure keepAlive time for gRPC TCP connections (fix: configure keepAlive time for gRPC TCP connections #1448) (efb2833e)

Summary of Changes

Hello @ohmayr, 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 marks a significant shift in the project's automation infrastructure by transitioning to the Librarian CLI for release management and code generation. Concurrently, it delivers the latest google-cloud-spanner library update, version 3.60.0, which enhances the client with new features like improved observability and autoscaling configurations, alongside critical bug fixes. The changes streamline the development workflow and provide users with an updated, more robust client library.

Highlights

Librarian CLI Migration: The project has migrated its release and code generation automation from OwlBot to the Librarian CLI. This involves the removal of several .github and release-please configuration files and the introduction of new Librarian-specific configuration and generation scripts.
google-cloud-spanner v3.60.0 Release: This pull request includes the release of google-cloud-spanner version 3.60.0. This new version introduces several features and bug fixes, as detailed in the updated CHANGELOG.md.
New Features in Spanner Client: Version 3.60.0 of the Spanner client library adds support for exposing AutoscalingConfig in InstancePartition, enabling OpenTelemetry metrics and tracing by default, and including cloud.region, request_tag, and transaction_tag in span attributes. It also adds support for an experimental host.
Bug Fixes and Enhancements: Key bug fixes in this release include the deprecation of the credentials_file argument and configuration of keepAlive time for gRPC TCP connections to improve stability.
Development Environment Updates: The noxfile.py has been updated to use Python 3.14 as the default version for development tasks, and documentation configurations (docs/conf.py) have been refreshed, including an update to the copyright year and Sphinx version requirements.

Ignored Files

Ignored by pattern: .github/workflows/** (1)
- .github/workflows/presubmit.yaml

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Code Review

This pull request, created by the Librarian CLI, prepares for the 3.60.0 release of google-cloud-spanner. The changes primarily involve updating version numbers, migrating from OwlBot to the Librarian generation tool, and refreshing configuration files.

My review has identified a few minor issues in the newly generated files:

A potential typo in a regex in .librarian/state.yaml that could affect file cleanup.
Some redundant code and a minor formatting issue in .librarian/generator-input/setup.py.
Unnecessary Unicode string prefixes (u"...") in docs/conf.py for a Python 3+ project.

These are detailed in the review comments. Overall, the automated changes look correct and align with the goal of preparing a new release with updated tooling.

The regex ^testing/constraints-3.1 seems to contain a typo. Given the other constraint files and supported Python versions (e.g., 3.9, 3.10, 3.11, 3.12), this was likely intended to target a more recent Python 3 version, such as 3.10. Please correct this to ensure the correct old constraint files are removed.

      - ^testing/constraints-3.10

There's a trailing space in the version specifier for mmh3. While many tools might handle this gracefully, it's best to remove it for correctness and to prevent potential parsing issues.

Suggested change

      
                    "mmh3 >= 4.1.0 ",
          
                    "mmh3 >= 4.1.0",

The package_root variable is redefined here. It was already defined on line 21. This redefinition is redundant and can be removed.

The u prefix for strings is unnecessary in Python 3 (this project requires >=3.9), as all strings are Unicode by default. These prefixes can be removed for cleaner code.

Suggested change

      
            project = u"google-cloud-spanner"
          
            copyright = u"2025, Google, LLC"
          
            author = u"Google APIs"
          
            project = "google-cloud-spanner"
          
            copyright = "2025, Google, LLC"
          
            author = "Google APIs"

The u prefix for this string is unnecessary in Python 3, as all strings are Unicode by default. It can be removed for cleaner code.

Suggested change

      
                    u"google-cloud-spanner Documentation",
          
                    "google-cloud-spanner Documentation",

ohmayr added 30 commits November 14, 2025 02:35

chore: onboard to librarian

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ohmayr added 15 commits November 14, 2025 02:35

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rename owlbot.py to librarian.py

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ohmayr requested a review from a team as a code owner November 18, 2025 22:14

ohmayr added the release:pending label Nov 18, 2025

ohmayr requested review from a team and polong-lin November 18, 2025 22:14

product-auto-label Bot added the size: xl Pull request size is extra large. label Nov 18, 2025

blunderbuss-gcf Bot assigned sakthivelmanii Nov 18, 2025

product-auto-label Bot added the api: spanner Issues related to the googleapis/python-spanner API. label Nov 18, 2025

ohmayr closed this Nov 18, 2025

gemini-code-assist Bot reviewed Nov 18, 2025

View reviewed changes

surbhigarg92 removed the release:pending label Dec 10, 2025

+                    - ^setup.py
+                    - ^testing/constraints-3.8
+                    - ^testing/constraints-3.9
+                    - ^testing/constraints-3.1

+                      "opentelemetry-semantic-conventions >= 0.43b0",
+                      "opentelemetry-resourcedetector-gcp >= 1.8.0a0",
+                      "google-cloud-monitoring >= 2.16.0",
+                      "mmh3 >= 4.1.0 ",

chore: librarian release pull request: 20251118T221423Z by ohmayr · Pull Request #1458 · googleapis/python-spanner · GitHub

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chore: librarian release pull request: 20251118T221423Z - #1458

chore: librarian release pull request: 20251118T221423Z#1458
ohmayr wants to merge 45 commits into
mainfrom
librarian-20251118T221423Z

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		url = "https://github.com/googleapis/python-spanner"

		package_root = os.path.abspath(os.path.dirname(__file__))

	u"google-cloud-spanner Documentation",
	"google-cloud-spanner Documentation",

chore: librarian release pull request: 20251118T221423Z by ohmayr · Pull Request #1458 · googleapis/python-spanner · GitHub

Uh oh!

chore: librarian release pull request: 20251118T221423Z - #1458

chore: librarian release pull request: 20251118T221423Z#1458ohmayr wants to merge 45 commits intomaingoogleapis/python-spanner:mainfrom librarian-20251118T221423Zgoogleapis/python-spanner:librarian-20251118T221423ZCopy head branch name to clipboard

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ohmayr commented Nov 18, 2025

3.60.0 (2025-11-18)

Features

Bug Fixes

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chore: librarian release pull request: 20251118T221423Z#1458
ohmayr wants to merge 45 commits into
mainfrom
librarian-20251118T221423Z