chore: librarian update image pull request: 20251216T231917Z

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

@@ -183,13 +183,12 @@ replacements:
           "ReadRowsStream",
           "ReadSession",
     count: 1
-    # Given that this file is mostly handwritten, we could omit the file completely when we migrate to librarian
-    # See `preserve_regex` in https://github.com/googleapis/librarian/blob/main/doc/language-onboarding.md#generate
+    # Given that this file is mostly handwritten, we could omit the file during code generation
+    # This will require a change to gapic-generator-python to provide the ability to omit files
   - paths: [
       packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1/__init__.py,
     ]
     before: |
-      __version__ = package_version.__version__\n\n
       from .services.big_query_read import BigQueryReadAsyncClient, BigQueryReadClient
       from .services.big_query_write import BigQueryWriteAsyncClient, BigQueryWriteClient
       from .types.arrow import ArrowRecordBatch, ArrowSchema, ArrowSerializationOptions
@@ -224,6 +223,19 @@ replacements:
           WriteStreamView,
       \)
       from .types.table import TableFieldSchema, TableSchema\n
+    after: |
+      from google.cloud.bigquery_storage_v1 import client, types\n\n
+      class BigQueryReadClient(client.BigQueryReadClient):
+          __doc__ = client.BigQueryReadClient.__doc__\n\n
+      class BigQueryWriteClient(client.BigQueryWriteClient):
+          __doc__ = client.BigQueryWriteClient.__doc__\n\n
+    count: 1
+    # Given that this file is mostly handwritten, we could omit the file during code generation
+    # This will require a change to gapic-generator-python to provide the ability to omit files
+  - paths: [
+      packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1/__init__.py,
+    ]
+    before: |
       __all__ = \(
           "BigQueryReadAsyncClient",
           "BigQueryWriteAsyncClient",
@@ -265,12 +277,6 @@ replacements:
           "WriteStreamView",
       \)
     after: |
-      __version__ = package_version.__version__\n
-      from google.cloud.bigquery_storage_v1 import client, types\n\n
-      class BigQueryReadClient(client.BigQueryReadClient):
-          __doc__ = client.BigQueryReadClient.__doc__\n\n
-      class BigQueryWriteClient(client.BigQueryWriteClient):
-          __doc__ = client.BigQueryWriteClient.__doc__\n\n
       __all__ = (
           # google.cloud.bigquery_storage_v1
           "__version__",
@@ -280,14 +286,13 @@ replacements:
           "BigQueryWriteClient",
       )
     count: 1
-    # Given that this file is mostly handwritten, we could omit the file completely when we migrate to librarian
-    # See `preserve_regex` in https://github.com/googleapis/librarian/blob/main/doc/language-onboarding.md#generate
+    # Given that this file is mostly handwritten, we could omit the file during code generation
+    # This will require a change to gapic-generator-python to provide the ability to omit files
   - paths: [
       packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1alpha/__init__.py,
       packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1beta/__init__.py,
     ]
     before: |
-      __version__ = package_version.__version__\n\n
       from .services.metastore_partition_service import \(
           MetastorePartitionServiceAsyncClient,
           MetastorePartitionServiceClient,
@@ -316,6 +321,16 @@ replacements:
           StorageDescriptor,
           StreamList,
       \)\n
+    after: ""
+    count: 2
+    # Given that this file is mostly handwritten, we could omit the file during code generation
+    # This will require a change to gapic-generator-python to provide the ability to omit files
+  - paths: [
+      packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1alpha/__init__.py,
+      packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1beta/__init__.py,
+    ]
+    before: |
+      \)\n
       __all__ = \(
           "MetastorePartitionServiceAsyncClient",
           "BatchCreateMetastorePartitionsRequest",
@@ -341,15 +356,14 @@ replacements:
           "UpdateMetastorePartitionRequest",
       \)
     after: |
-      __version__ = package_version.__version__
+      )
     count: 2
-    # Given that this file is mostly handwritten, we could omit the file completely when we migrate to librarian
-    # See `preserve_regex` in https://github.com/googleapis/librarian/blob/main/doc/language-onboarding.md#generate
+    # Given that this file is mostly handwritten, we could omit the file during code generation
+    # This will require a change to gapic-generator-python to provide the ability to omit files
   - paths: [
       packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1beta2/__init__.py,
     ]
     before: |
-      __version__ = package_version.__version__\n\n
       from .services.big_query_read import BigQueryReadAsyncClient, BigQueryReadClient
       from .services.big_query_write import BigQueryWriteAsyncClient, BigQueryWriteClient
       from .types.arrow import ArrowRecordBatch, ArrowSchema, ArrowSerializationOptions
@@ -377,6 +391,19 @@ replacements:
       \)
       from .types.stream import DataFormat, ReadSession, ReadStream, WriteStream
       from .types.table import TableFieldSchema, TableSchema\n
+    after: |
+      from google.cloud.bigquery_storage_v1beta2 import client, types\n\n
+      class BigQueryReadClient(client.BigQueryReadClient):
+          __doc__ = client.BigQueryReadClient.__doc__\n\n
+      class BigQueryWriteClient(client.BigQueryWriteClient):
+          __doc__ = client.BigQueryWriteClient.__doc__\n\n
+    count: 1
+    # Given that this file is mostly handwritten, we could omit the file during code generation
+    # This will require a change to gapic-generator-python to provide the ability to omit files
+  - paths: [
+      packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1beta2/__init__.py,
+    ]
+    before: |
       __all__ = \(
           "BigQueryReadAsyncClient",
           "BigQueryWriteAsyncClient",
@@ -415,12 +442,6 @@ replacements:
           "WriteStream",
       \)
     after: |
-      __version__ = package_version.__version__\n
-      from google.cloud.bigquery_storage_v1beta2 import client, types\n\n
-      class BigQueryReadClient(client.BigQueryReadClient):
-          __doc__ = client.BigQueryReadClient.__doc__\n\n
-      class BigQueryWriteClient(client.BigQueryWriteClient):
-          __doc__ = client.BigQueryWriteClient.__doc__\n\n
       __all__ = (
           # google.cloud.bigquery_storage_v1beta2
           "__version__",
@@ -430,9 +451,6 @@ replacements:
           "BigQueryWriteClient",
       )
     count: 1
-    # Given that this file is mostly handwritten, we could omit the file completely when we migrate to librarian
-    # See `preserve_regex` in https://github.com/googleapis/librarian/blob/main/doc/language-onboarding.md#generate
-    # We could also consider updating the docs/index.rst template so that the majority of handwritten changes are not required
   - paths: [
       packages/google-cloud-bigquery-storage/testing/constraints-3.7.txt,
     ]
@@ -447,6 +465,8 @@ replacements:
       pyarrow==0.15.0
       google-auth==2.14.1
     count: 1
+    # Given that this file is mostly handwritten, we could omit the file during code generation
+    # This will require a change to gapic-generator-python to provide the ability to omit files
   - paths: [
       packages/google-cloud-bigquery-storage/docs/index.rst,
     ]

.librarian/state.yaml

@@ -1,4 +1,4 @@
-image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:d7caef319a25d618e20ba798b103434700bfd80015f525802d87621ca2528c90
+image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:b8058df4c45e9a6e07f6b4d65b458d0d059241dd34c814f151c8bf6b89211209
 libraries:
   - id: google-ads-admanager
     version: 0.7.0

packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1/__init__.py

@@ -13,10 +13,21 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+import sys
+
+import google.api_core as api_core
+
 from google.cloud.bigquery_storage_v1 import gapic_version as package_version
 
 __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 google.cloud.bigquery_storage_v1 import client, types
 
 
@@ -28,6 +39,100 @@ class BigQueryWriteClient(client.BigQueryWriteClient):
     __doc__ = client.BigQueryWriteClient.__doc__
 
 
+if hasattr(api_core, "check_python_version") and hasattr(
+    api_core, "check_dependency_versions"
+):  # pragma: NO COVER
+    api_core.check_python_version("google.cloud.bigquery_storage_v1")  # type: ignore
+    api_core.check_dependency_versions("google.cloud.bigquery_storage_v1")  # type: ignore
+else:  # pragma: NO COVER
+    # 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.bigquery_storage_v1"
+        if sys.version_info < (3, 9):
+            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}.",
+                FutureWarning,
+            )
+
+        def parse_version_to_tuple(version_string: str):
+            """Safely converts a semantic version string to a comparable tuple of integers.
+            Example: "4.25.8" -> (4, 25, 8)
+            Ignores non-numeric parts and handles common version formats.
+            Args:
+                version_string: Version string in the format "x.y.z" or "x.y.z<suffix>"
+            Returns:
+                Tuple of integers for the parsed version string.
+            """
+            parts = []
+            for part in version_string.split("."):
+                try:
+                    parts.append(int(part))
+                except ValueError:
+                    # If it's a non-numeric part (e.g., '1.0.0b1' -> 'b1'), stop here.
+                    # This is a simplification compared to 'packaging.parse_version', but sufficient
+                    # for comparing strictly numeric semantic versions.
+                    break
+            return tuple(parts)
+
+        def _get_version(dependency_name):
+            try:
+                version_string: str = metadata.version(dependency_name)
+                parsed_version = parse_version_to_tuple(version_string)
+                return (parsed_version, version_string)
+            except Exception:
+                # Catch exceptions from metadata.version() (e.g., PackageNotFoundError)
+                # or errors during parse_version_to_tuple
+                return (None, "--")
+
+        _dependency_package = "google.protobuf"
+        _next_supported_version = "4.25.8"
+        _next_supported_version_tuple = (4, 25, 8)
+        _recommendation = " (we recommend 6.x)"
+        (_version_used, _version_used_string) = _get_version(_dependency_package)
+        if _version_used and _version_used < _next_supported_version_tuple:
+            warnings.warn(
+                f"Package {_package_label} depends on "
+                + f"{_dependency_package}, currently installed at version "
+                + f"{_version_used_string}. Future updates to "
+                + f"{_package_label} will require {_dependency_package} at "
+                + f"version {_next_supported_version} or higher{_recommendation}."
+                + " Please ensure "
+                + "that either (a) your Python environment doesn't pin the "
+                + f"version of {_dependency_package}, so that updates to "
+                + f"{_package_label} can require the higher version, or "
+                + "(b) you manually update your Python environment to use at "
+                + f"least version {_next_supported_version} of "
+                + f"{_dependency_package}.",
+                FutureWarning,
+            )
+    except Exception:
+        warnings.warn(
+            "Could not determine the version of Python "
+            + "currently being used. To continue receiving "
+            + "updates for {_package_label}, ensure you are "
+            + "using a supported version of Python; see "
+            + "https://devguide.python.org/versions/"
+        )
+
 __all__ = (
     # google.cloud.bigquery_storage_v1
     "__version__",

packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1/services/big_query_read/client.py

@@ -150,6 +150,34 @@ def _get_default_mtls_endpoint(api_endpoint):
     _DEFAULT_ENDPOINT_TEMPLATE = "bigquerystorage.{UNIVERSE_DOMAIN}"
     _DEFAULT_UNIVERSE = "googleapis.com"
 
+    @staticmethod
+    def _use_client_cert_effective():
+        """Returns whether client certificate should be used for mTLS if the
+        google-auth version supports should_use_client_cert automatic mTLS enablement.
+
+        Alternatively, read from the GOOGLE_API_USE_CLIENT_CERTIFICATE env var.
+
+        Returns:
+            bool: whether client certificate should be used for mTLS
+        Raises:
+            ValueError: (If using a version of google-auth without should_use_client_cert and
+            GOOGLE_API_USE_CLIENT_CERTIFICATE is set to an unexpected value.)
+        """
+        # check if google-auth version supports should_use_client_cert for automatic mTLS enablement
+        if hasattr(mtls, "should_use_client_cert"):  # pragma: NO COVER
+            return mtls.should_use_client_cert()
+        else:  # pragma: NO COVER
+            # if unsupported, fallback to reading from env var
+            use_client_cert_str = os.getenv(
+                "GOOGLE_API_USE_CLIENT_CERTIFICATE", "false"
+            ).lower()
+            if use_client_cert_str not in ("true", "false"):
+                raise ValueError(
+                    "Environment variable `GOOGLE_API_USE_CLIENT_CERTIFICATE` must be"
+                    " either `true` or `false`"
+                )
+            return use_client_cert_str == "true"
+
     @classmethod
     def from_service_account_info(cls, info: dict, *args, **kwargs):
         """Creates an instance of this client using the provided credentials
@@ -383,20 +411,16 @@ def get_mtls_endpoint_and_cert_source(
         )
         if client_options is None:
             client_options = client_options_lib.ClientOptions()
-        use_client_cert = os.getenv("GOOGLE_API_USE_CLIENT_CERTIFICATE", "false")
+        use_client_cert = BigQueryReadClient._use_client_cert_effective()
         use_mtls_endpoint = os.getenv("GOOGLE_API_USE_MTLS_ENDPOINT", "auto")
-        if use_client_cert not in ("true", "false"):
-            raise ValueError(
-                "Environment variable `GOOGLE_API_USE_CLIENT_CERTIFICATE` must be either `true` or `false`"
-            )
         if use_mtls_endpoint not in ("auto", "never", "always"):
             raise MutualTLSChannelError(
                 "Environment variable `GOOGLE_API_USE_MTLS_ENDPOINT` must be `never`, `auto` or `always`"
             )
 
         # Figure out the client cert source to use.
         client_cert_source = None
-        if use_client_cert == "true":
+        if use_client_cert:
             if client_options.client_cert_source:
                 client_cert_source = client_options.client_cert_source
             elif mtls.has_default_client_cert_source():
@@ -428,20 +452,14 @@ def _read_environment_variables():
             google.auth.exceptions.MutualTLSChannelError: If GOOGLE_API_USE_MTLS_ENDPOINT
                 is not any of ["auto", "never", "always"].
         """
-        use_client_cert = os.getenv(
-            "GOOGLE_API_USE_CLIENT_CERTIFICATE", "false"
-        ).lower()
+        use_client_cert = BigQueryReadClient._use_client_cert_effective()
         use_mtls_endpoint = os.getenv("GOOGLE_API_USE_MTLS_ENDPOINT", "auto").lower()
         universe_domain_env = os.getenv("GOOGLE_CLOUD_UNIVERSE_DOMAIN")
-        if use_client_cert not in ("true", "false"):
-            raise ValueError(
-                "Environment variable `GOOGLE_API_USE_CLIENT_CERTIFICATE` must be either `true` or `false`"
-            )
         if use_mtls_endpoint not in ("auto", "never", "always"):
             raise MutualTLSChannelError(
                 "Environment variable `GOOGLE_API_USE_MTLS_ENDPOINT` must be `never`, `auto` or `always`"
             )
-        return use_client_cert == "true", use_mtls_endpoint, universe_domain_env
+        return use_client_cert, use_mtls_endpoint, universe_domain_env
 
     @staticmethod
     def _get_client_cert_source(provided_cert_source, use_cert_flag):