From f09560909ef341d2b22dd1967b5e46b701e25523 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Wed, 28 Oct 2026 12:21:48 -0400
Subject: [PATCH 1/5] test: pin pytest<9.2 in failing handwritten packages

---
 packages/db-dtypes/noxfile.py                       | 6 +++---
 packages/google-api-core/noxfile.py                 | 2 +-
 packages/google-auth-httplib2/noxfile.py            | 4 ++--
 packages/google-cloud-core/noxfile.py               | 6 +++---
 packages/google-cloud-dns/noxfile.py                | 4 ++--
 packages/google-cloud-documentai-toolbox/noxfile.py | 4 ++--
 packages/google-cloud-error-reporting/noxfile.py    | 4 ++--
 packages/google-cloud-firestore/noxfile.py          | 4 ++--
 packages/google-cloud-logging/noxfile.py            | 4 ++--
 packages/google-cloud-pubsub/noxfile.py             | 4 ++--
 packages/google-cloud-runtimeconfig/noxfile.py      | 4 ++--
 packages/google-cloud-testutils/noxfile.py          | 7 ++++---
 packages/proto-plus/noxfile.py                      | 6 +++---
 13 files changed, 30 insertions(+), 29 deletions(-)

diff --git a/packages/db-dtypes/noxfile.py b/packages/db-dtypes/noxfile.py
index 5d0c8b4980a9..5b0e797f881f 100644
--- a/packages/db-dtypes/noxfile.py
+++ b/packages/db-dtypes/noxfile.py
@@ -48,7 +48,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -61,7 +61,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.12"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
@@ -262,7 +262,7 @@ def prerelease(session, tests_path):
     session.install(
         "mock",
         "asyncmock",
-        "pytest",
+        "pytest<9.2",
         "pytest-cov",
         "pytest-asyncio",
         # tzdata is only needed for testing: pandas 3.0+ no longer installs
diff --git a/packages/google-api-core/noxfile.py b/packages/google-api-core/noxfile.py
index 4ae56dc0f008..584ec1ca63de 100644
--- a/packages/google-api-core/noxfile.py
+++ b/packages/google-api-core/noxfile.py
@@ -220,7 +220,7 @@ def default(
         unittest.skip("The pre-release session cannot be run without grpc")
 
     session.install(
-        "pytest",
+        "pytest<9.2",
         "pytest-cov",
         "pytest-mock",
         "pytest-xdist",
diff --git a/packages/google-auth-httplib2/noxfile.py b/packages/google-auth-httplib2/noxfile.py
index e0a9b93502a4..fd45282ed298 100644
--- a/packages/google-auth-httplib2/noxfile.py
+++ b/packages/google-auth-httplib2/noxfile.py
@@ -44,7 +44,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -60,7 +60,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.10"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-core/noxfile.py b/packages/google-cloud-core/noxfile.py
index 772c0c136b3d..dbff5c4737c6 100644
--- a/packages/google-cloud-core/noxfile.py
+++ b/packages/google-cloud-core/noxfile.py
@@ -136,7 +136,7 @@ def default(session):
     )
 
     # Install all test dependencies, then install local packages in-place.
-    session.install("pytest", "pytest-cov", "-c", constraints_path)
+    session.install("pytest<9.2", "pytest-cov", "-c", constraints_path)
     session.install("-e", ".[grpc]", "-c", constraints_path)
 
     # Run py.test against the unit tests.
@@ -275,7 +275,7 @@ def prerelease_deps(session, protobuf_implementation):
     """Run all tests with prerelease versions of dependencies installed."""
 
     # Install all test dependencies, then install local packages in-place.
-    session.install("pytest", "pytest-cov")
+    session.install("pytest<9.2", "pytest-cov")
     session.install("-e", ".[grpc]")
 
     # Because we test minimum dependency versions on the minimum Python
@@ -362,7 +362,7 @@ def core_deps_from_source(session, protobuf_implementation):
     """
 
     # Install all test dependencies, then install local packages in-place.
-    session.install("pytest", "pytest-cov")
+    session.install("pytest<9.2", "pytest-cov")
     session.install("-e", ".[grpc]")
 
     # Because we test minimum dependency versions on the minimum Python
diff --git a/packages/google-cloud-dns/noxfile.py b/packages/google-cloud-dns/noxfile.py
index 0c6507c42a5d..45cf5c6865f8 100644
--- a/packages/google-cloud-dns/noxfile.py
+++ b/packages/google-cloud-dns/noxfile.py
@@ -46,7 +46,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -58,7 +58,7 @@
 
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-documentai-toolbox/noxfile.py b/packages/google-cloud-documentai-toolbox/noxfile.py
index e6ac183ea803..3d7cc9a93ca4 100644
--- a/packages/google-cloud-documentai-toolbox/noxfile.py
+++ b/packages/google-cloud-documentai-toolbox/noxfile.py
@@ -47,7 +47,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -60,7 +60,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.12"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-error-reporting/noxfile.py b/packages/google-cloud-error-reporting/noxfile.py
index 4c37e91d4b4e..976817405aac 100644
--- a/packages/google-cloud-error-reporting/noxfile.py
+++ b/packages/google-cloud-error-reporting/noxfile.py
@@ -66,7 +66,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -79,7 +79,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-firestore/noxfile.py b/packages/google-cloud-firestore/noxfile.py
index b83aa0a5c973..9b32e589f557 100644
--- a/packages/google-cloud-firestore/noxfile.py
+++ b/packages/google-cloud-firestore/noxfile.py
@@ -66,7 +66,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio==0.21.2",
 ]
@@ -83,7 +83,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest",
+    "pytest<9.2",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = [
     "pytest-asyncio==0.21.2",
diff --git a/packages/google-cloud-logging/noxfile.py b/packages/google-cloud-logging/noxfile.py
index f8468c73410f..6720bf25dcf7 100644
--- a/packages/google-cloud-logging/noxfile.py
+++ b/packages/google-cloud-logging/noxfile.py
@@ -66,7 +66,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -83,7 +83,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = [
diff --git a/packages/google-cloud-pubsub/noxfile.py b/packages/google-cloud-pubsub/noxfile.py
index 219dbea9718f..6b6f12108191 100644
--- a/packages/google-cloud-pubsub/noxfile.py
+++ b/packages/google-cloud-pubsub/noxfile.py
@@ -66,7 +66,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -81,7 +81,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = [
diff --git a/packages/google-cloud-runtimeconfig/noxfile.py b/packages/google-cloud-runtimeconfig/noxfile.py
index c8ddaaa120ef..c622ef48889f 100644
--- a/packages/google-cloud-runtimeconfig/noxfile.py
+++ b/packages/google-cloud-runtimeconfig/noxfile.py
@@ -46,7 +46,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest",
+    "pytest<9.2",
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -59,7 +59,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.12"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest",
+    "pytest<9.2",
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-testutils/noxfile.py b/packages/google-cloud-testutils/noxfile.py
index 5a5809c9d760..a94c166b3cc1 100644
--- a/packages/google-cloud-testutils/noxfile.py
+++ b/packages/google-cloud-testutils/noxfile.py
@@ -16,6 +16,7 @@
 
 
 from __future__ import absolute_import
+
 import os
 import pathlib
 import re
@@ -154,7 +155,7 @@ def unit(session):
         "-e", "tests/unit/resources/good_package", "tests/unit/resources/bad_package"
     )
 
-    session.install("pytest", "pytest-cov")
+    session.install("pytest<9.2", "pytest-cov")
     session.install("-e", ".", "-c", constraints_path)
 
     # Run py.test against the unit tests.
@@ -303,7 +304,7 @@ def prerelease_deps(session):
         "-e", "tests/unit/resources/good_package", "tests/unit/resources/bad_package"
     )
 
-    session.install("pytest", "pytest-cov")
+    session.install("pytest<9.2", "pytest-cov")
     session.install("-e", ".", "-c", constraints_path)
 
     # Because we test minimum dependency versions on the minimum Python
@@ -371,7 +372,7 @@ def core_deps_from_source(session):
         "-e", "tests/unit/resources/good_package", "tests/unit/resources/bad_package"
     )
 
-    session.install("pytest", "pytest-cov")
+    session.install("pytest<9.2", "pytest-cov")
     session.install("-e", ".", "-c", constraints_path)
 
     # Because we test minimum dependency versions on the minimum Python
diff --git a/packages/proto-plus/noxfile.py b/packages/proto-plus/noxfile.py
index fbdee3b362e0..83181bbdd0d5 100644
--- a/packages/proto-plus/noxfile.py
+++ b/packages/proto-plus/noxfile.py
@@ -64,7 +64,7 @@ def unit(session, implementation):
     )
 
     session.env["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = implementation
-    session.install("coverage", "pytest", "pytest-cov", "pytz")
+    session.install("coverage", "pytest<9.2", "pytest-cov", "pytz")
     session.install("-e", ".[testing]", "-c", constraints_path)
 
     # TODO(https://github.com/googleapis/proto-plus-python/issues/403): re-enable `-W=error`
@@ -100,7 +100,7 @@ def prerelease_deps(session, implementation):
     session.env["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = implementation
 
     # Install test environment dependencies
-    session.install("coverage", "pytest", "pytest-cov", "pytz")
+    session.install("coverage", "pytest<9.2", "pytest-cov", "pytz")
 
     # Install the package without dependencies
     session.install("-e", ".", "--no-deps")
@@ -157,7 +157,7 @@ def core_deps_from_source(session, implementation):
     session.env["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = implementation
 
     # Install test environment dependencies
-    session.install("coverage", "pytest", "pytest-cov", "pytz")
+    session.install("coverage", "pytest<9.2", "pytest-cov", "pytz")
 
     # Install the package without dependencies
     session.install("-e", ".", "--no-deps")

From e1b924f3ac0f0adf9297fc4124eb97ddda64a176 Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Wed, 28 Oct 2026 12:52:23 -0400
Subject: [PATCH 2/5] test: use PYTEST_VERSION constant with comments and
 update post-processing rules

---
 .../firestore-integration.yaml                | 20 +++++++++++-
 .../integrate-isolated-handwritten-code.yaml  | 31 ++++++++++++++-----
 .../logging-integration.yaml                  | 18 +++++++++++
 .../pubsub-integration.yaml                   | 16 ++++++++++
 packages/db-dtypes/noxfile.py                 | 11 +++++--
 packages/google-api-core/noxfile.py           |  7 ++++-
 packages/google-auth-httplib2/noxfile.py      |  9 ++++--
 packages/google-cloud-core/noxfile.py         | 11 +++++--
 packages/google-cloud-dns/noxfile.py          |  9 ++++--
 .../noxfile.py                                |  9 ++++--
 .../google-cloud-error-reporting/noxfile.py   |  9 ++++--
 packages/google-cloud-firestore/noxfile.py    |  9 ++++--
 packages/google-cloud-logging/noxfile.py      |  9 ++++--
 packages/google-cloud-pubsub/noxfile.py       |  9 ++++--
 .../google-cloud-runtimeconfig/noxfile.py     |  9 ++++--
 packages/google-cloud-testutils/noxfile.py    | 11 +++++--
 packages/proto-plus/noxfile.py                | 11 +++++--
 17 files changed, 171 insertions(+), 37 deletions(-)

diff --git a/.librarian/generator-input/client-post-processing/firestore-integration.yaml b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
index 50defa6a4829..012a3802c77c 100644
--- a/.librarian/generator-input/client-post-processing/firestore-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
@@ -647,6 +647,24 @@ replacements:
           "pytest-xdist",
       ]
     count: 1
+  - paths: [
+      packages/google-cloud-firestore/noxfile.py
+    ]
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    after: |
+      RUFF_VERSION = "ruff==0.14.14"
+      # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+      # before pytest_configure hooks run, turning pytest-asyncio's unset
+      # asyncio_default_fixture_loop_scope warning into an error. Remove once
+      # pytest 9.2+ warning and fixture scope deprecations are resolved.
+      PYTEST_VERSION = "pytest<9.2"
+    count: 1
+  - paths: [
+      packages/google-cloud-firestore/noxfile.py
+    ]
+    before: '"pytest",'
+    after: 'PYTEST_VERSION,'
+    count: 2
   - paths: [
       packages/google-cloud-firestore/noxfile.py
     ]
@@ -797,4 +815,4 @@ replacements:
       Code samples and snippets live in the `python-docs-samples`_ repo.
 
       .. _`python-docs-samples`: https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/firestore
-    count: 1
\ No newline at end of file
+    count: 1
diff --git a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
index c200d3069dbf..e0f722319489 100644
--- a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
+++ b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
@@ -43,7 +43,7 @@ replacements:
       packages/google-cloud-vision/google/cloud/vision_v1p2beta1/__init__.py,
       packages/google-cloud-vision/google/cloud/vision_v1p3beta1/__init__.py,
       packages/google-cloud-vision/google/cloud/vision_v1p4beta1/__init__.py,
-    ]    
+    ]
     before: |
       from .types.web_detection import WebDetection\n
       __all__ = \(
@@ -93,7 +93,7 @@ replacements:
 
           translate_v2/services_
           translate_v2/types_
-    
+
       API Reference
       -------------
       .. toctree::
@@ -129,7 +129,7 @@ replacements:
   - paths: [
       packages/google-cloud-speech/google/cloud/speech_v1/__init__.py,
       packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py,
-    ]    
+    ]
     before: |
       \)
 
@@ -150,7 +150,7 @@ replacements:
     count: 2
   - paths: [
       packages/google-cloud-speech/google/cloud/speech/__init__.py,
-    ]    
+    ]
     before: |
       from google.cloud.speech_v1.services.speech.client import SpeechClient
     after: |
@@ -354,7 +354,7 @@ replacements:
         :maxdepth: 2
 
         usage
-        
+
 
       API Reference
       -------------
@@ -369,7 +369,7 @@ replacements:
 
 
       Changelog
-    count: 1 
+    count: 1
   - paths: [
       "packages/google-cloud-bigquery-storage/noxfile.py",
     ]
@@ -388,6 +388,24 @@ replacements:
     before: '\n        "--check-untyped-defs",'
     after: '\n        # TODO(https://github.com/googleapis/google-cloud-python/issues/16083)\n        # "--check-untyped-defs",'
     count: 1
+  - paths: [
+      "packages/google-cloud-error-reporting/noxfile.py",
+    ]
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    after: |
+      RUFF_VERSION = "ruff==0.14.14"
+      # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+      # before pytest_configure hooks run, turning pytest-asyncio's unset
+      # asyncio_default_fixture_loop_scope warning into an error. Remove once
+      # pytest 9.2+ warning and fixture scope deprecations are resolved.
+      PYTEST_VERSION = "pytest<9.2"
+    count: 1
+  - paths: [
+      "packages/google-cloud-error-reporting/noxfile.py",
+    ]
+    before: '"pytest",'
+    after: 'PYTEST_VERSION,'
+    count: 2
   - paths: [
       "packages/google-cloud-monitoring-dashboards/noxfile.py",
     ]
@@ -453,4 +471,3 @@ replacements:
       google-cloud-logging>=3
       grpcio>=1
     count: 2
-
diff --git a/.librarian/generator-input/client-post-processing/logging-integration.yaml b/.librarian/generator-input/client-post-processing/logging-integration.yaml
index 9db37f582424..45be0d6e7790 100644
--- a/.librarian/generator-input/client-post-processing/logging-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/logging-integration.yaml
@@ -452,6 +452,24 @@ replacements:
           "types",
       )
     count: 1
+  - paths: [
+      packages/google-cloud-logging/noxfile.py
+    ]
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    after: |
+      RUFF_VERSION = "ruff==0.14.14"
+      # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+      # before pytest_configure hooks run, turning pytest-asyncio's unset
+      # asyncio_default_fixture_loop_scope warning into an error. Remove once
+      # pytest 9.2+ warning and fixture scope deprecations are resolved.
+      PYTEST_VERSION = "pytest<9.2"
+    count: 1
+  - paths: [
+      packages/google-cloud-logging/noxfile.py
+    ]
+    before: '"pytest",'
+    after: 'PYTEST_VERSION,'
+    count: 2
   - paths: [
       packages/google-cloud-logging/noxfile.py
     ]
diff --git a/.librarian/generator-input/client-post-processing/pubsub-integration.yaml b/.librarian/generator-input/client-post-processing/pubsub-integration.yaml
index 238f99e447df..e854d4d5109a 100644
--- a/.librarian/generator-input/client-post-processing/pubsub-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/pubsub-integration.yaml
@@ -501,6 +501,22 @@ replacements:
           """Skipping until Pub/Sub migration is complete."""
           session.skip("Skipping core_deps_from_source for google-cloud-pubsub.")
     count: 1
+  - paths:
+      - "packages/google-cloud-pubsub/noxfile.py"
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    after: |-
+      RUFF_VERSION = "ruff==0.14.14"
+      # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+      # before pytest_configure hooks run, turning pytest-asyncio's unset
+      # asyncio_default_fixture_loop_scope warning into an error. Remove once
+      # pytest 9.2+ warning and fixture scope deprecations are resolved.
+      PYTEST_VERSION = "pytest<9.2"
+    count: 1
+  - paths:
+      - "packages/google-cloud-pubsub/noxfile.py"
+    before: '"pytest",'
+    after: 'PYTEST_VERSION,'
+    count: 2
   - paths:
       - "packages/google-cloud-pubsub/noxfile.py"
     before: '"--cov=google",'
diff --git a/packages/db-dtypes/noxfile.py b/packages/db-dtypes/noxfile.py
index 5b0e797f881f..fca37e128fea 100644
--- a/packages/db-dtypes/noxfile.py
+++ b/packages/db-dtypes/noxfile.py
@@ -31,6 +31,11 @@
 BLACK_VERSION = "black[jupyter]==23.7.0"
 RUFF_VERSION = "ruff==0.14.14"
 ISORT_VERSION = "isort==5.11.0"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 LINT_PATHS = ["docs", "db_dtypes", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION = "3.14"
@@ -48,7 +53,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -61,7 +66,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.12"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
@@ -262,7 +267,7 @@ def prerelease(session, tests_path):
     session.install(
         "mock",
         "asyncmock",
-        "pytest<9.2",
+        PYTEST_VERSION,
         "pytest-cov",
         "pytest-asyncio",
         # tzdata is only needed for testing: pandas 3.0+ no longer installs
diff --git a/packages/google-api-core/noxfile.py b/packages/google-api-core/noxfile.py
index 584ec1ca63de..cc934e4b66ca 100644
--- a/packages/google-api-core/noxfile.py
+++ b/packages/google-api-core/noxfile.py
@@ -29,6 +29,11 @@
 import nox
 
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
 ALL_PYTHON = ["3.10", "3.11", "3.12", "3.13", "3.14", "3.15"]
@@ -220,7 +225,7 @@ def default(
         unittest.skip("The pre-release session cannot be run without grpc")
 
     session.install(
-        "pytest<9.2",
+        PYTEST_VERSION,
         "pytest-cov",
         "pytest-mock",
         "pytest-xdist",
diff --git a/packages/google-auth-httplib2/noxfile.py b/packages/google-auth-httplib2/noxfile.py
index fd45282ed298..68fe2f40313c 100644
--- a/packages/google-auth-httplib2/noxfile.py
+++ b/packages/google-auth-httplib2/noxfile.py
@@ -29,6 +29,11 @@
 BLACK_VERSION = "black[jupyter]==23.7.0"
 RUFF_VERSION = "ruff==0.14.14"
 ISORT_VERSION = "isort==5.11.0"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 LINT_PATHS = ["docs", "google_auth_httplib2.py", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION = "3.14"
@@ -44,7 +49,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -60,7 +65,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.10"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-core/noxfile.py b/packages/google-cloud-core/noxfile.py
index dbff5c4737c6..2221c42d66f9 100644
--- a/packages/google-cloud-core/noxfile.py
+++ b/packages/google-cloud-core/noxfile.py
@@ -23,6 +23,11 @@
 
 BLACK_VERSION = "black==23.7.0"
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning (inherited via shared CI venvs)
+# into an error. Remove once pytest 9.2+ deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 BLACK_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION = "3.14"
@@ -136,7 +141,7 @@ def default(session):
     )
 
     # Install all test dependencies, then install local packages in-place.
-    session.install("pytest<9.2", "pytest-cov", "-c", constraints_path)
+    session.install(PYTEST_VERSION, "pytest-cov", "-c", constraints_path)
     session.install("-e", ".[grpc]", "-c", constraints_path)
 
     # Run py.test against the unit tests.
@@ -275,7 +280,7 @@ def prerelease_deps(session, protobuf_implementation):
     """Run all tests with prerelease versions of dependencies installed."""
 
     # Install all test dependencies, then install local packages in-place.
-    session.install("pytest<9.2", "pytest-cov")
+    session.install(PYTEST_VERSION, "pytest-cov")
     session.install("-e", ".[grpc]")
 
     # Because we test minimum dependency versions on the minimum Python
@@ -362,7 +367,7 @@ def core_deps_from_source(session, protobuf_implementation):
     """
 
     # Install all test dependencies, then install local packages in-place.
-    session.install("pytest<9.2", "pytest-cov")
+    session.install(PYTEST_VERSION, "pytest-cov")
     session.install("-e", ".[grpc]")
 
     # Because we test minimum dependency versions on the minimum Python
diff --git a/packages/google-cloud-dns/noxfile.py b/packages/google-cloud-dns/noxfile.py
index 45cf5c6865f8..5f659a148194 100644
--- a/packages/google-cloud-dns/noxfile.py
+++ b/packages/google-cloud-dns/noxfile.py
@@ -31,6 +31,11 @@
 BLACK_VERSION = "black[jupyter]==23.7.0"
 RUFF_VERSION = "ruff==0.14.14"
 ISORT_VERSION = "isort==5.11.0"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION = "3.14"
@@ -46,7 +51,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -58,7 +63,7 @@
 
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-documentai-toolbox/noxfile.py b/packages/google-cloud-documentai-toolbox/noxfile.py
index 3d7cc9a93ca4..c1d2ab53dde8 100644
--- a/packages/google-cloud-documentai-toolbox/noxfile.py
+++ b/packages/google-cloud-documentai-toolbox/noxfile.py
@@ -31,6 +31,11 @@
 BLACK_VERSION = "black[jupyter]==23.7.0"
 RUFF_VERSION = "ruff==0.14.14"
 ISORT_VERSION = "isort==5.11.0"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION = "3.14"
@@ -47,7 +52,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -60,7 +65,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.12"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-error-reporting/noxfile.py b/packages/google-cloud-error-reporting/noxfile.py
index 976817405aac..5cc4d0f63ee5 100644
--- a/packages/google-cloud-error-reporting/noxfile.py
+++ b/packages/google-cloud-error-reporting/noxfile.py
@@ -23,6 +23,11 @@
 import nox
 
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
@@ -66,7 +71,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -79,7 +84,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-firestore/noxfile.py b/packages/google-cloud-firestore/noxfile.py
index 9b32e589f557..9391ad33853d 100644
--- a/packages/google-cloud-firestore/noxfile.py
+++ b/packages/google-cloud-firestore/noxfile.py
@@ -23,6 +23,11 @@
 import nox
 
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
@@ -66,7 +71,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio==0.21.2",
 ]
@@ -83,7 +88,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = [
     "pytest-asyncio==0.21.2",
diff --git a/packages/google-cloud-logging/noxfile.py b/packages/google-cloud-logging/noxfile.py
index 6720bf25dcf7..13cc30695b6c 100644
--- a/packages/google-cloud-logging/noxfile.py
+++ b/packages/google-cloud-logging/noxfile.py
@@ -23,6 +23,11 @@
 import nox
 
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
@@ -66,7 +71,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -83,7 +88,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = [
diff --git a/packages/google-cloud-pubsub/noxfile.py b/packages/google-cloud-pubsub/noxfile.py
index 6b6f12108191..7d3dde3e27d8 100644
--- a/packages/google-cloud-pubsub/noxfile.py
+++ b/packages/google-cloud-pubsub/noxfile.py
@@ -23,6 +23,11 @@
 import nox
 
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
@@ -66,7 +71,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -81,7 +86,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ALL_PYTHON
 SYSTEM_TEST_STANDARD_DEPENDENCIES = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = [
diff --git a/packages/google-cloud-runtimeconfig/noxfile.py b/packages/google-cloud-runtimeconfig/noxfile.py
index c622ef48889f..b34f7bf306b5 100644
--- a/packages/google-cloud-runtimeconfig/noxfile.py
+++ b/packages/google-cloud-runtimeconfig/noxfile.py
@@ -31,6 +31,11 @@
 BLACK_VERSION = "black[jupyter]==23.7.0"
 RUFF_VERSION = "ruff==0.14.14"
 ISORT_VERSION = "isort==5.11.0"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning into an error. Remove once
+# pytest 9.2+ warning and fixture scope deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 LINT_PATHS = ["docs", "google", "tests", "noxfile.py", "setup.py"]
 
 DEFAULT_PYTHON_VERSION = "3.14"
@@ -46,7 +51,7 @@
 UNIT_TEST_STANDARD_DEPENDENCIES = [
     "mock",
     "asyncmock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "pytest-cov",
     "pytest-asyncio",
 ]
@@ -59,7 +64,7 @@
 SYSTEM_TEST_PYTHON_VERSIONS: List[str] = ["3.12"]
 SYSTEM_TEST_STANDARD_DEPENDENCIES: List[str] = [
     "mock",
-    "pytest<9.2",
+    PYTEST_VERSION,
     "google-cloud-testutils",
 ]
 SYSTEM_TEST_EXTERNAL_DEPENDENCIES: List[str] = []
diff --git a/packages/google-cloud-testutils/noxfile.py b/packages/google-cloud-testutils/noxfile.py
index a94c166b3cc1..4b07c13bbeb2 100644
--- a/packages/google-cloud-testutils/noxfile.py
+++ b/packages/google-cloud-testutils/noxfile.py
@@ -38,6 +38,11 @@
 DEFAULT_PYTHON_VERSION = "3.14"
 BLACK_VERSION = "black==23.7.0"
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning (inherited via shared CI venvs)
+# into an error. Remove once pytest 9.2+ deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 BLACK_PATHS = ["test_utils", "setup.py"]
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
 # Path to the centralized mypy configuration file at the repository root.
@@ -155,7 +160,7 @@ def unit(session):
         "-e", "tests/unit/resources/good_package", "tests/unit/resources/bad_package"
     )
 
-    session.install("pytest<9.2", "pytest-cov")
+    session.install(PYTEST_VERSION, "pytest-cov")
     session.install("-e", ".", "-c", constraints_path)
 
     # Run py.test against the unit tests.
@@ -304,7 +309,7 @@ def prerelease_deps(session):
         "-e", "tests/unit/resources/good_package", "tests/unit/resources/bad_package"
     )
 
-    session.install("pytest<9.2", "pytest-cov")
+    session.install(PYTEST_VERSION, "pytest-cov")
     session.install("-e", ".", "-c", constraints_path)
 
     # Because we test minimum dependency versions on the minimum Python
@@ -372,7 +377,7 @@ def core_deps_from_source(session):
         "-e", "tests/unit/resources/good_package", "tests/unit/resources/bad_package"
     )
 
-    session.install("pytest<9.2", "pytest-cov")
+    session.install(PYTEST_VERSION, "pytest-cov")
     session.install("-e", ".", "-c", constraints_path)
 
     # Because we test minimum dependency versions on the minimum Python
diff --git a/packages/proto-plus/noxfile.py b/packages/proto-plus/noxfile.py
index 83181bbdd0d5..4b4ba40a7e10 100644
--- a/packages/proto-plus/noxfile.py
+++ b/packages/proto-plus/noxfile.py
@@ -23,6 +23,11 @@
 BLACK_VERSION = "black[jupyter]==23.7.0"
 ISORT_VERSION = "isort==5.11.0"
 RUFF_VERSION = "ruff==0.14.14"
+# Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
+# before pytest_configure hooks run, turning pytest-asyncio's unset
+# asyncio_default_fixture_loop_scope warning (inherited via shared CI venvs)
+# into an error. Remove once pytest 9.2+ deprecations are resolved.
+PYTEST_VERSION = "pytest<9.2"
 
 LINT_PATHS = ["docs", "proto", "tests", "noxfile.py", "setup.py"]
 
@@ -64,7 +69,7 @@ def unit(session, implementation):
     )
 
     session.env["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = implementation
-    session.install("coverage", "pytest<9.2", "pytest-cov", "pytz")
+    session.install("coverage", PYTEST_VERSION, "pytest-cov", "pytz")
     session.install("-e", ".[testing]", "-c", constraints_path)
 
     # TODO(https://github.com/googleapis/proto-plus-python/issues/403): re-enable `-W=error`
@@ -100,7 +105,7 @@ def prerelease_deps(session, implementation):
     session.env["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = implementation
 
     # Install test environment dependencies
-    session.install("coverage", "pytest<9.2", "pytest-cov", "pytz")
+    session.install("coverage", PYTEST_VERSION, "pytest-cov", "pytz")
 
     # Install the package without dependencies
     session.install("-e", ".", "--no-deps")
@@ -157,7 +162,7 @@ def core_deps_from_source(session, implementation):
     session.env["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = implementation
 
     # Install test environment dependencies
-    session.install("coverage", "pytest<9.2", "pytest-cov", "pytz")
+    session.install("coverage", PYTEST_VERSION, "pytest-cov", "pytz")
 
     # Install the package without dependencies
     session.install("-e", ".", "--no-deps")

From 98b0aeb9cd11618bebb4c389fdff098faef04a9b Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Wed, 28 Oct 2026 13:18:42 -0400
Subject: [PATCH 3/5] fix: make PYTEST_VERSION post-processing regexes
 idempotent across multiple owlbot passes

---
 .../client-post-processing/firestore-integration.yaml         | 4 +++-
 .../integrate-isolated-handwritten-code.yaml                  | 4 +++-
 .../client-post-processing/logging-integration.yaml           | 4 +++-
 .../client-post-processing/pubsub-integration.yaml            | 4 +++-
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/.librarian/generator-input/client-post-processing/firestore-integration.yaml b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
index 012a3802c77c..f53294c34971 100644
--- a/.librarian/generator-input/client-post-processing/firestore-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
@@ -650,7 +650,7 @@ replacements:
   - paths: [
       packages/google-cloud-firestore/noxfile.py
     ]
-    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"\n\nLINT_PATHS ='
     after: |
       RUFF_VERSION = "ruff==0.14.14"
       # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
@@ -658,6 +658,8 @@ replacements:
       # asyncio_default_fixture_loop_scope warning into an error. Remove once
       # pytest 9.2+ warning and fixture scope deprecations are resolved.
       PYTEST_VERSION = "pytest<9.2"
+
+      LINT_PATHS =
     count: 1
   - paths: [
       packages/google-cloud-firestore/noxfile.py
diff --git a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
index e0f722319489..1c1396ac9586 100644
--- a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
+++ b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
@@ -391,7 +391,7 @@ replacements:
   - paths: [
       "packages/google-cloud-error-reporting/noxfile.py",
     ]
-    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"\n\nLINT_PATHS ='
     after: |
       RUFF_VERSION = "ruff==0.14.14"
       # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
@@ -399,6 +399,8 @@ replacements:
       # asyncio_default_fixture_loop_scope warning into an error. Remove once
       # pytest 9.2+ warning and fixture scope deprecations are resolved.
       PYTEST_VERSION = "pytest<9.2"
+
+      LINT_PATHS =
     count: 1
   - paths: [
       "packages/google-cloud-error-reporting/noxfile.py",
diff --git a/.librarian/generator-input/client-post-processing/logging-integration.yaml b/.librarian/generator-input/client-post-processing/logging-integration.yaml
index 45be0d6e7790..2d7f26acb572 100644
--- a/.librarian/generator-input/client-post-processing/logging-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/logging-integration.yaml
@@ -455,7 +455,7 @@ replacements:
   - paths: [
       packages/google-cloud-logging/noxfile.py
     ]
-    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"\n\nLINT_PATHS ='
     after: |
       RUFF_VERSION = "ruff==0.14.14"
       # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
@@ -463,6 +463,8 @@ replacements:
       # asyncio_default_fixture_loop_scope warning into an error. Remove once
       # pytest 9.2+ warning and fixture scope deprecations are resolved.
       PYTEST_VERSION = "pytest<9.2"
+
+      LINT_PATHS =
     count: 1
   - paths: [
       packages/google-cloud-logging/noxfile.py
diff --git a/.librarian/generator-input/client-post-processing/pubsub-integration.yaml b/.librarian/generator-input/client-post-processing/pubsub-integration.yaml
index e854d4d5109a..6cdee52bb96d 100644
--- a/.librarian/generator-input/client-post-processing/pubsub-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/pubsub-integration.yaml
@@ -503,7 +503,7 @@ replacements:
     count: 1
   - paths:
       - "packages/google-cloud-pubsub/noxfile.py"
-    before: 'RUFF_VERSION = "ruff==0\.14\.14"'
+    before: 'RUFF_VERSION = "ruff==0\.14\.14"\n\nLINT_PATHS ='
     after: |-
       RUFF_VERSION = "ruff==0.14.14"
       # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
@@ -511,6 +511,8 @@ replacements:
       # asyncio_default_fixture_loop_scope warning into an error. Remove once
       # pytest 9.2+ warning and fixture scope deprecations are resolved.
       PYTEST_VERSION = "pytest<9.2"
+
+      LINT_PATHS =
     count: 1
   - paths:
       - "packages/google-cloud-pubsub/noxfile.py"

From 80a171d16a97a22a5acbea2cbc3de10a3739f00b Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Wed, 28 Oct 2026 13:48:05 -0400
Subject: [PATCH 4/5] fix: use chomped block scalar (|-) in post-processing
 YAML rules

---
 .../client-post-processing/firestore-integration.yaml           | 2 +-
 .../integrate-isolated-handwritten-code.yaml                    | 2 +-
 .../client-post-processing/logging-integration.yaml             | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.librarian/generator-input/client-post-processing/firestore-integration.yaml b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
index f53294c34971..baf7aeb0141e 100644
--- a/.librarian/generator-input/client-post-processing/firestore-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
@@ -651,7 +651,7 @@ replacements:
       packages/google-cloud-firestore/noxfile.py
     ]
     before: 'RUFF_VERSION = "ruff==0\.14\.14"\n\nLINT_PATHS ='
-    after: |
+    after: |-
       RUFF_VERSION = "ruff==0.14.14"
       # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
       # before pytest_configure hooks run, turning pytest-asyncio's unset
diff --git a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
index 1c1396ac9586..71666e634724 100644
--- a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
+++ b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
@@ -392,7 +392,7 @@ replacements:
       "packages/google-cloud-error-reporting/noxfile.py",
     ]
     before: 'RUFF_VERSION = "ruff==0\.14\.14"\n\nLINT_PATHS ='
-    after: |
+    after: |-
       RUFF_VERSION = "ruff==0.14.14"
       # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
       # before pytest_configure hooks run, turning pytest-asyncio's unset
diff --git a/.librarian/generator-input/client-post-processing/logging-integration.yaml b/.librarian/generator-input/client-post-processing/logging-integration.yaml
index 2d7f26acb572..f1f2d15c9e9e 100644
--- a/.librarian/generator-input/client-post-processing/logging-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/logging-integration.yaml
@@ -456,7 +456,7 @@ replacements:
       packages/google-cloud-logging/noxfile.py
     ]
     before: 'RUFF_VERSION = "ruff==0\.14\.14"\n\nLINT_PATHS ='
-    after: |
+    after: |-
       RUFF_VERSION = "ruff==0.14.14"
       # Temporarily pin pytest<9.2 because pytest 9.2.0 applies filterwarnings=error
       # before pytest_configure hooks run, turning pytest-asyncio's unset

From f3e5799ac77a4d66bf05d1a380cbda2f12a3917c Mon Sep 17 00:00:00 2001
From: chalmer lowe <chalmerlowe@google.com>
Date: Wed, 28 Oct 2026 14:08:03 -0400
Subject: [PATCH 5/5] fix: preserve original whitespace in
 integrate-isolated-handwritten-code.yaml

---
 .../firestore-integration.yaml                      |  2 +-
 .../integrate-isolated-handwritten-code.yaml        | 13 +++++++------
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/.librarian/generator-input/client-post-processing/firestore-integration.yaml b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
index baf7aeb0141e..d31022a3b362 100644
--- a/.librarian/generator-input/client-post-processing/firestore-integration.yaml
+++ b/.librarian/generator-input/client-post-processing/firestore-integration.yaml
@@ -817,4 +817,4 @@ replacements:
       Code samples and snippets live in the `python-docs-samples`_ repo.
 
       .. _`python-docs-samples`: https://github.com/GoogleCloudPlatform/python-docs-samples/tree/main/firestore
-    count: 1
+    count: 1
\ No newline at end of file
diff --git a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
index 71666e634724..1c686e8d7269 100644
--- a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
+++ b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
@@ -43,7 +43,7 @@ replacements:
       packages/google-cloud-vision/google/cloud/vision_v1p2beta1/__init__.py,
       packages/google-cloud-vision/google/cloud/vision_v1p3beta1/__init__.py,
       packages/google-cloud-vision/google/cloud/vision_v1p4beta1/__init__.py,
-    ]
+    ]    
     before: |
       from .types.web_detection import WebDetection\n
       __all__ = \(
@@ -93,7 +93,7 @@ replacements:
 
           translate_v2/services_
           translate_v2/types_
-
+    
       API Reference
       -------------
       .. toctree::
@@ -129,7 +129,7 @@ replacements:
   - paths: [
       packages/google-cloud-speech/google/cloud/speech_v1/__init__.py,
       packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py,
-    ]
+    ]    
     before: |
       \)
 
@@ -150,7 +150,7 @@ replacements:
     count: 2
   - paths: [
       packages/google-cloud-speech/google/cloud/speech/__init__.py,
-    ]
+    ]    
     before: |
       from google.cloud.speech_v1.services.speech.client import SpeechClient
     after: |
@@ -354,7 +354,7 @@ replacements:
         :maxdepth: 2
 
         usage
-
+        
 
       API Reference
       -------------
@@ -369,7 +369,7 @@ replacements:
 
 
       Changelog
-    count: 1
+    count: 1 
   - paths: [
       "packages/google-cloud-bigquery-storage/noxfile.py",
     ]
@@ -473,3 +473,4 @@ replacements:
       google-cloud-logging>=3
       grpcio>=1
     count: 2
+