fix: Allow Protobuf 5.x (#12867)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 649277844

Source-Link:
googleapis/googleapis@fd7efa2

Source-Link:
googleapis/googleapis-gen@50be251
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---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

packages/google-cloud-gke-backup/README.rst

@@ -15,7 +15,7 @@ Python Client for Backup for GKE
 .. |versions| image:: https://img.shields.io/pypi/pyversions/google-cloud-gke-backup.svg
    :target: https://pypi.org/project/google-cloud-gke-backup/
 .. _Backup for GKE: https://cloud.google.com/kubernetes-engine/docs/add-on/backup-for-gke/concepts/backup-for-gke
-.. _Client Library Documentation: https://cloud.google.com/python/docs/reference/gkebackup/latest
+.. _Client Library Documentation: https://cloud.google.com/python/docs/reference/gkebackup/latest/summary_overview
 .. _Product Documentation:  https://cloud.google.com/kubernetes-engine/docs/add-on/backup-for-gke/concepts/backup-for-gke
 
 Quick Start

packages/google-cloud-gke-backup/docs/index.rst

@@ -21,3 +21,8 @@ For a list of all ``google-cloud-gke-backup`` releases:
     :maxdepth: 2
 
     CHANGELOG
+
+.. toctree::
+  :hidden:
+
+  summary_overview.md

packages/google-cloud-gke-backup/docs/summary_overview.md

@@ -0,0 +1,22 @@
+[
+This is a templated file. Adding content to this file may result in it being
+reverted. Instead, if you want to place additional content, create an
+"overview_content.md" file in `docs/` directory. The Sphinx tool will
+pick up on the content and merge the content.
+]: #
+
+# Backup for GKE API
+
+Overview of the APIs available for Backup for GKE API.
+
+## All entries
+
+Classes, methods and properties & attributes for
+Backup for GKE API.
+
+[classes](https://cloud.google.com/python/docs/reference/gkebackup/latest/summary_class.html)
+
+[methods](https://cloud.google.com/python/docs/reference/gkebackup/latest/summary_method.html)
+
+[properties and
+attributes](https://cloud.google.com/python/docs/reference/gkebackup/latest/summary_property.html)

packages/google-cloud-gke-backup/google/cloud/gke_backup_v1/services/backup_for_gke/transports/base.py

@@ -92,6 +92,8 @@ def __init__(
 
         # Save the scopes.
         self._scopes = scopes
+        if not hasattr(self, "_ignore_credentials"):
+            self._ignore_credentials: bool = False
 
         # If no credentials are provided, then determine the appropriate
         # defaults.
@@ -104,7 +106,7 @@ def __init__(
             credentials, _ = google.auth.load_credentials_from_file(
                 credentials_file, **scopes_kwargs, quota_project_id=quota_project_id
             )
-        elif credentials is None:
+        elif credentials is None and not self._ignore_credentials:
             credentials, _ = google.auth.default(
                 **scopes_kwargs, quota_project_id=quota_project_id
             )

packages/google-cloud-gke-backup/google/cloud/gke_backup_v1/services/backup_for_gke/transports/grpc.py

@@ -135,7 +135,8 @@ def __init__(
 
         if isinstance(channel, grpc.Channel):
             # Ignore credentials if a channel was passed.
-            credentials = False
+            credentials = None
+            self._ignore_credentials = True
             # If a channel was explicitly provided, set it.
             self._grpc_channel = channel
             self._ssl_channel_credentials = None

packages/google-cloud-gke-backup/google/cloud/gke_backup_v1/services/backup_for_gke/transports/grpc_asyncio.py

@@ -182,7 +182,8 @@ def __init__(
 
         if isinstance(channel, aio.Channel):
             # Ignore credentials if a channel was passed.
-            credentials = False
+            credentials = None
+            self._ignore_credentials = True
             # If a channel was explicitly provided, set it.
             self._grpc_channel = channel
             self._ssl_channel_credentials = None

packages/google-cloud-gke-backup/noxfile.py

@@ -160,14 +160,28 @@ 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",
@@ -181,15 +195,12 @@ 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.
@@ -358,9 +369,16 @@ def docfx(session):
 
 
 @nox.session(python="3.12")
-def prerelease_deps(session):
+@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
@@ -397,9 +415,9 @@ 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",
@@ -425,4 +443,10 @@ 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,
+        },
+    )

packages/google-cloud-gke-backup/setup.py

@@ -44,7 +44,7 @@
     # See https://github.com/googleapis/google-cloud-python/issues/12364
     "google-auth >= 2.14.1, <3.0.0dev,!=2.24.0,!=2.25.0",
     "proto-plus >= 1.22.3, <2.0.0dev",
-    "protobuf>=3.19.5,<5.0.0dev,!=3.20.0,!=3.20.1,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
+    "protobuf>=3.20.2,<6.0.0dev,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
     "grpc-google-iam-v1 >= 0.12.4, <1.0.0dev",
 ]
 url = "https://github.com/googleapis/google-cloud-python/tree/main/packages/google-cloud-gke-backup"

packages/google-cloud-gke-backup/testing/constraints-3.7.txt

@@ -7,5 +7,5 @@
 google-api-core==1.34.1
 google-auth==2.14.1
 proto-plus==1.22.3
-protobuf==3.19.5
+protobuf==3.20.2
 grpc-google-iam-v1==0.12.4