chore: update templated files

.flake8

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.github/.OwlBot.lock.yaml

@@ -13,5 +13,4 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:5a4c19d17e597b92d786e569be101e636c9c2817731f80a5adec56b2aa8fe070
-# created: 2024-04-12T11:35:58.922854369Z
+  digest: sha256:5651442a6336971a2fb2df40fb56b3337df67cafa14c0809cc89cb34ccee1b8e

.github/auto-label.yaml

@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.github/sync-repo-settings.yaml

@@ -31,24 +31,8 @@ branchProtectionRules:
     - 'Kokoro'
     - 'Kokoro system-3.8'
     - 'cla/google'
-- pattern: experimental_v3
-  # Can admins overwrite branch protection.
-  # Defaults to `true`
-  isAdminEnforced: false
-  # Number of approving reviews required to update matching branches.
-  # Defaults to `1`
-  requiredApprovingReviewCount: 1
-  # Are reviews from code owners required to update matching branches.
-  # Defaults to `false`
-  requiresCodeOwnerReviews: false
-  # Require up to date branches
-  requiresStrictStatusChecks: false
-  # List of required status check contexts that must pass for commits to be accepted to matching branches.
-  requiredStatusCheckContexts:
-    - 'Kokoro'
-    - 'Kokoro system-3.8'
-    - 'cla/google'
-    - 'Conformance / Async v3 Client / Python 3.8'
+    - 'Conformance / Async v3 Client / Python 3.8 / Test Tag v0.0.2'
+    - 'OwlBot Post Processor'
 # List of explicit permissions to add (additive only)
 permissionRules:
     # Team slug to add to repository permissions

.kokoro/build.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/docker/docs/Dockerfile

@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/populate-secrets.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC.
+# Copyright 2024 Google LLC.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/publish-docs.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/release.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/test-samples-against-head.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/test-samples-impl.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/test-samples.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/trampoline.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.kokoro/trampoline_v2.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.pre-commit-config.yaml

@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

.trampolinerc

@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

MANIFEST.in

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

docs/conf.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

noxfile.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -185,14 +185,28 @@ def install_unittest_dependencies(session, *constraints):
         session.install("-e", ".", *constraints)
 
 
-def default(session):
+@nox.session(python=UNIT_TEST_PYTHON_VERSIONS)
+@nox.parametrize(
+    "protobuf_implementation",
+    ["python", "upb", "cpp"],
+)
+def unit(session, protobuf_implementation):
     # Install all test dependencies, then install this package in-place.
 
+    if protobuf_implementation == "cpp" and session.python in ("3.11", "3.12"):
+        session.skip("cpp implementation is not supported in python 3.11+")
+
     constraints_path = str(
         CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
     )
     install_unittest_dependencies(session, "-c", constraints_path)
 
+    # TODO(https://github.com/googleapis/synthtool/issues/1976):
+    # Remove the 'cpp' implementation once support for Protobuf 3.x is dropped.
+    # The 'cpp' implementation requires Protobuf<4.
+    if protobuf_implementation == "cpp":
+        session.install("protobuf<4")
+
     # Run py.test against the unit tests.
     session.run(
         "py.test",
@@ -206,15 +220,12 @@ def default(session):
         "--cov-fail-under=0",
         os.path.join("tests", "unit"),
         *session.posargs,
+        env={
+            "PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION": protobuf_implementation,
+        },
     )
 
 
-@nox.session(python=UNIT_TEST_PYTHON_VERSIONS)
-def unit(session):
-    """Run the unit test suite."""
-    default(session)
-
-
 def install_systemtest_dependencies(session, *constraints):
     # Use pre-release gRPC for system tests.
     # Exclude version 1.52.0rc1 which has a known issue.
@@ -430,10 +441,17 @@ def docfx(session):
     session.run("python", "docs/scripts/patch_devsite_toc.py")
 
 
-@nox.session(python=SYSTEM_TEST_PYTHON_VERSIONS)
-def prerelease_deps(session):
+@nox.session(python="3.12")
+@nox.parametrize(
+    "protobuf_implementation",
+    ["python", "upb", "cpp"],
+)
+def prerelease_deps(session, protobuf_implementation):
     """Run all tests with prerelease versions of dependencies installed."""
 
+    if protobuf_implementation == "cpp" and session.python in ("3.11", "3.12"):
+        session.skip("cpp implementation is not supported in python 3.11+")
+
     # Install all dependencies
     session.install("-e", ".[all, tests, tracing]")
     unit_deps_all = UNIT_TEST_STANDARD_DEPENDENCIES + UNIT_TEST_EXTERNAL_DEPENDENCIES
@@ -468,9 +486,9 @@ def prerelease_deps(session):
         "protobuf",
         # dependency of grpc
         "six",
+        "grpc-google-iam-v1",
         "googleapis-common-protos",
-        # Exclude version 1.52.0rc1 which has a known issue. See https://github.com/grpc/grpc/issues/32163
-        "grpcio!=1.52.0rc1",
+        "grpcio",
         "grpcio-status",
         "google-api-core",
         "google-auth",
@@ -496,7 +514,13 @@ def prerelease_deps(session):
     session.run("python", "-c", "import grpc; print(grpc.__version__)")
     session.run("python", "-c", "import google.auth; print(google.auth.__version__)")
 
-    session.run("py.test", "tests/unit")
+    session.run(
+        "py.test",
+        "tests/unit",
+        env={
+            "PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION": protobuf_implementation,
+        },
+    )
 
     system_test_path = os.path.join("tests", "system.py")
     system_test_folder_path = os.path.join("tests", "system")
@@ -509,6 +533,9 @@ def prerelease_deps(session):
             f"--junitxml=system_{session.python}_sponge_log.xml",
             system_test_path,
             *session.posargs,
+            env={
+                "PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION": protobuf_implementation,
+            },
         )
     if os.path.exists(system_test_folder_path):
         session.run(
@@ -517,4 +544,7 @@ def prerelease_deps(session):
             f"--junitxml=system_{session.python}_sponge_log.xml",
             system_test_folder_path,
             *session.posargs,
+            env={
+                "PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION": protobuf_implementation,
+            },
         )