feat(storage): drop Python 3.7-3.9 support and regenerate

.librarian/generator-input/client-post-processing/storage-integration.yaml

@@ -599,7 +599,8 @@ replacements:
               "google-api-core[grpc] >= 2.27.0, < 3.0.0",
               "grpcio >= 1.44.0, < 2.0.0; python_version < '3.14'",
               "grpcio >= 1.75.1, < 2.0.0; python_version >= '3.14'",
-              "grpcio-status >= 1.76.0, < 2.0.0",
+              "grpcio-status >= 1.44.0, < 2.0.0; python_version < '3.14'",
+              "grpcio-status >= 1.75.1, < 2.0.0; python_version >= '3.14'",
               "proto-plus >= 1.22.3, <2.0.0; python_version < '3.13'",
               "proto-plus >= 1.25.0, <2.0.0; python_version >= '3.13'",
               "protobuf >= 4.25.8, < 8.0.0",
@@ -636,23 +637,30 @@ replacements:
       }
     count: 1
   - paths: [
-      packages/google-cloud-storage/testing/constraints-3.10.txt,
+      packages/google-cloud-storage/testing/constraints-3.10.txt
     ]
     before: |
-      google-api-core[\s\S]*
-      [\s\S]*?grpc-google-iam-v1[\s\S]*
+      google-api-core==2.17.1
+      google-auth==2.14.1
+      grpcio==1.44.0
+      proto-plus==1.22.3
+      protobuf==4.25.8
+      grpc-google-iam-v1==0.14.0
     after: |
-      google-auth
+      google-auth==2.26.1
       # cryptography is a direct dependency of google-auth
-      cryptography
-      google-api-core
-      google-cloud-core
-      google-resumable-media
-      grpcio
-      requests
-      google-crc32c
-      protobuf
-      opentelemetry-api
+      cryptography==38.0.0
+      google-api-core==2.27.0
+      google-cloud-core==2.4.2
+      google-resumable-media==2.7.2
+      grpcio==1.44.0
+      grpcio-status==1.44.0
+      proto-plus==1.22.3
+      protobuf==4.25.8
+      grpc-google-iam-v1==0.14.0
+      opentelemetry-api==1.1.0
+      requests==2.22.0
+      google-crc32c==1.6.0
     count: 1
   - paths: [
       packages/google-cloud-storage/testing/constraints-3.11.txt,

librarian.yaml

@@ -1938,7 +1938,6 @@ libraries:
     version: 3.10.1
     apis:
       - path: google/storage/v2
-    skip_generate: true
     skip_release: true
     python:
       library_type: GAPIC_MANUAL

packages/google-cloud-storage/docs/conf.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2025 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -83,7 +83,7 @@
 
 # General information about the project.
 project = "google-cloud-storage"
-copyright = "2025, Google, LLC"
+copyright = "2026, Google, LLC"
 author = "Google APIs"
 
 # The version info for the project you're documenting, acts as replacement for

packages/google-cloud-storage/google/cloud/_storage_v2/__init__.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2025 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -21,13 +21,7 @@
 
 __version__ = package_version.__version__
 
-if sys.version_info >= (3, 8):  # pragma: NO COVER
-    from importlib import metadata
-else:  # pragma: NO COVER
-    # TODO(https://github.com/googleapis/python-api-core/issues/835): Remove
-    # this code path once we drop support for Python 3.7
-    import importlib_metadata as metadata
-
+from importlib import metadata
 
 from .services.storage import StorageAsyncClient, StorageClient
 from .types.storage import (
@@ -98,28 +92,17 @@
     # An older version of api_core is installed which does not define the
     # functions above. We do equivalent checks manually.
     try:
-        import sys
         import warnings
 
         _py_version_str = sys.version.split()[0]
         _package_label = "google.cloud._storage_v2"
-        if sys.version_info < (3, 9):
+        if sys.version_info < (3, 10):
             warnings.warn(
                 "You are using a non-supported Python version "
                 + f"({_py_version_str}).  Google will not post any further "
                 + f"updates to {_package_label} supporting this Python version. "
                 + "Please upgrade to the latest Python version, or at "
-                + f"least to Python 3.9, and then update {_package_label}.",
-                FutureWarning,
-            )
-        if sys.version_info[:2] == (3, 9):
-            warnings.warn(
-                f"You are using a Python version ({_py_version_str}) "
-                + f"which Google will stop supporting in {_package_label} in "
-                + "January 2026. Please "
-                + "upgrade to the latest Python version, or at "
-                + "least to Python 3.10, before then, and "
-                + f"then update {_package_label}.",
+                + f"least to Python 3.10, and then update {_package_label}.",
                 FutureWarning,
             )
 

packages/google-cloud-storage/noxfile.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2025 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -31,7 +31,6 @@
     LINT_PATHS.append("samples")
 
 ALL_PYTHON = [
-    "3.9",
     "3.10",
     "3.11",
     "3.12",
@@ -494,7 +493,6 @@ def docs(session):
     shutil.rmtree(os.path.join("docs", "_build"), ignore_errors=True)
     session.run(
         "sphinx-build",
-        "-W",  # warnings as errors
         "-T",  # show full traceback on exception
         "-N",  # no colors
         "-b",

packages/google-cloud-storage/setup.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2025 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -58,9 +58,10 @@
     # experimental in this SDK. More info in b/465352227
     "grpc": [
         "google-api-core[grpc] >= 2.27.0, < 3.0.0",
-        "grpcio >= 1.33.2, < 2.0.0; python_version < '3.14'",
+        "grpcio >= 1.44.0, < 2.0.0; python_version < '3.14'",
         "grpcio >= 1.75.1, < 2.0.0; python_version >= '3.14'",
-        "grpcio-status >= 1.76.0, < 2.0.0",
+        "grpcio-status >= 1.44.0, < 2.0.0; python_version < '3.14'",
+        "grpcio-status >= 1.75.1, < 2.0.0; python_version >= '3.14'",
         "proto-plus >= 1.22.3, <2.0.0; python_version < '3.13'",
         "proto-plus >= 1.25.0, <2.0.0; python_version >= '3.13'",
         "protobuf >= 4.25.8, < 8.0.0",
@@ -116,15 +117,14 @@
     long_description=readme,
     author="Google LLC",
     author_email="googleapis-packages@google.com",
-    license="Apache 2.0",
+    license="Apache-2.0",
     url=url,
     classifiers=[
         release_status,
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
@@ -135,7 +135,7 @@
     ],
     platforms="Posix; MacOS X; Windows",
     packages=packages,
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     install_requires=dependencies,
     extras_require=extras,
     include_package_data=True,

packages/google-cloud-storage/testing/constraints-3.10.txt

@@ -1,14 +1,20 @@
-# -*- coding: utf-8 -*-
-# This constraints file is required for unit tests.
-# List all library dependencies and extras in this file.
-google-auth
+# This constraints file is used to check that lower bounds
+# are correct in setup.py
+# List all library dependencies and extras in this file,
+# pinning their versions to their lower bounds.
+# For example, if setup.py has "google-cloud-foo >= 1.14.0, < 2.0.0",
+# then this file should have google-cloud-foo==1.14.0
+google-auth==2.26.1
 # cryptography is a direct dependency of google-auth
-cryptography
-google-api-core
-google-cloud-core
-google-resumable-media
-grpcio
-requests
-google-crc32c
-protobuf
-opentelemetry-api
+cryptography==38.0.0
+google-api-core==2.27.0
+google-cloud-core==2.4.2
+google-resumable-media==2.7.2
+grpcio==1.44.0
+grpcio-status==1.44.0
+proto-plus==1.22.3
+protobuf==4.25.8
+grpc-google-iam-v1==0.14.0
+opentelemetry-api==1.1.0
+requests==2.22.0
+google-crc32c==1.6.0

packages/google-cloud-storage/tests/unit/gapic/_storage_v2/test_storage.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright 2025 Google LLC
+# Copyright 2026 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -13,18 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-import os
-
-# try/except added for compatibility with python < 3.8
-try:
-    from unittest import mock
-    from unittest.mock import AsyncMock  # pragma: NO COVER
-except ImportError:  # pragma: NO COVER
-    import mock
-
 import json
 import math
+import os
 from collections.abc import Mapping, Sequence
+from unittest import mock
+from unittest.mock import AsyncMock
 
 import grpc
 import pytest
@@ -2565,11 +2559,7 @@ async def test_list_buckets_async_pages():
             RuntimeError,
         )
         pages = []
-        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
-        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
-        async for page_ in (  # pragma: no branch
-            await client.list_buckets(request={})
-        ).pages:
+        async for page_ in (await client.list_buckets(request={})).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -7085,11 +7075,7 @@ async def test_list_objects_async_pages():
             RuntimeError,
         )
         pages = []
-        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
-        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
-        async for page_ in (  # pragma: no branch
-            await client.list_objects(request={})
-        ).pages:
+        async for page_ in (await client.list_objects(request={})).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token