fix: Use stdlib override when possible

google/cloud/pubsublite/admin_client.py

@@ -12,9 +12,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import sys
 from typing import Optional, List, Union
 
-from overrides import overrides
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from overrides import overrides as override
+
 from google.api_core.client_options import ClientOptions
 from google.api_core.operation import Operation
 from google.auth.credentials import Credentials
@@ -78,39 +83,39 @@ def __init__(
             region,
         )
 
-    @overrides
+    @override
     def region(self) -> CloudRegion:
         return self._impl.region()
 
-    @overrides
+    @override
     def create_topic(self, topic: Topic) -> Topic:
         return self._impl.create_topic(topic)
 
-    @overrides
+    @override
     def get_topic(self, topic_path: TopicPath) -> Topic:
         return self._impl.get_topic(topic_path)
 
-    @overrides
+    @override
     def get_topic_partition_count(self, topic_path: TopicPath) -> int:
         return self._impl.get_topic_partition_count(topic_path)
 
-    @overrides
+    @override
     def list_topics(self, location_path: LocationPath) -> List[Topic]:
         return self._impl.list_topics(location_path)
 
-    @overrides
+    @override
     def update_topic(self, topic: Topic, update_mask: FieldMask) -> Topic:
         return self._impl.update_topic(topic, update_mask)
 
-    @overrides
+    @override
     def delete_topic(self, topic_path: TopicPath):
         return self._impl.delete_topic(topic_path)
 
-    @overrides
+    @override
     def list_topic_subscriptions(self, topic_path: TopicPath) -> List[SubscriptionPath]:
         return self._impl.list_topic_subscriptions(topic_path)
 
-    @overrides
+    @override
     def create_subscription(
         self,
         subscription: Subscription,
@@ -119,55 +124,55 @@ def create_subscription(
     ) -> Subscription:
         return self._impl.create_subscription(subscription, target, starting_offset)
 
-    @overrides
+    @override
     def get_subscription(self, subscription_path: SubscriptionPath) -> Subscription:
         return self._impl.get_subscription(subscription_path)
 
-    @overrides
+    @override
     def list_subscriptions(self, location_path: LocationPath) -> List[Subscription]:
         return self._impl.list_subscriptions(location_path)
 
-    @overrides
+    @override
     def update_subscription(
         self, subscription: Subscription, update_mask: FieldMask
     ) -> Subscription:
         return self._impl.update_subscription(subscription, update_mask)
 
-    @overrides
+    @override
     def seek_subscription(
         self,
         subscription_path: SubscriptionPath,
         target: Union[BacklogLocation, PublishTime, EventTime],
     ) -> Operation:
         return self._impl.seek_subscription(subscription_path, target)
 
-    @overrides
+    @override
     def delete_subscription(self, subscription_path: SubscriptionPath):
         return self._impl.delete_subscription(subscription_path)
 
-    @overrides
+    @override
     def create_reservation(self, reservation: Reservation) -> Reservation:
         return self._impl.create_reservation(reservation)
 
-    @overrides
+    @override
     def get_reservation(self, reservation_path: ReservationPath) -> Reservation:
         return self._impl.get_reservation(reservation_path)
 
-    @overrides
+    @override
     def list_reservations(self, location_path: LocationPath) -> List[Reservation]:
         return self._impl.list_reservations(location_path)
 
-    @overrides
+    @override
     def update_reservation(
         self, reservation: Reservation, update_mask: FieldMask
     ) -> Reservation:
         return self._impl.update_reservation(reservation, update_mask)
 
-    @overrides
+    @override
     def delete_reservation(self, reservation_path: ReservationPath):
         return self._impl.delete_reservation(reservation_path)
 
-    @overrides
+    @override
     def list_reservation_topics(
         self, reservation_path: ReservationPath
     ) -> List[TopicPath]:

google/cloud/pubsublite/cloudpubsub/internal/multiplexed_async_publisher_client.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import sys
 from typing import Callable, Union, Mapping
 
 from google.api_core.exceptions import GoogleAPICallError
@@ -26,7 +27,11 @@
     AsyncPublisherClientInterface,
 )
 from google.cloud.pubsublite.types import TopicPath
-from overrides import overrides
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from overrides import overrides as override
 
 
 AsyncPublisherFactory = Callable[[TopicPath], AsyncSinglePublisher]
@@ -47,7 +52,7 @@ async def _create_and_open(self, topic: TopicPath):
         await client.__aenter__()
         return client
 
-    @overrides
+    @override
     async def publish(
         self,
         topic: Union[TopicPath, str],
@@ -67,11 +72,11 @@ async def publish(
             await self._multiplexer.try_erase(topic, publisher)
             raise e
 
-    @overrides
+    @override
     async def __aenter__(self):
         await self._multiplexer.__aenter__()
         return self
 
-    @overrides
+    @override
     async def __aexit__(self, exc_type, exc_value, traceback):
         await self._multiplexer.__aexit__(exc_type, exc_value, traceback)

google/cloud/pubsublite/cloudpubsub/internal/multiplexed_async_subscriber_client.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import sys
 from typing import (
     Union,
     AsyncIterator,
@@ -35,7 +36,11 @@
     FlowControlSettings,
     Partition,
 )
-from overrides import overrides
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from overrides import overrides as override
 
 
 async def _iterate_subscriber(
@@ -59,7 +64,7 @@ def __init__(self, underlying_factory: AsyncSubscriberFactory):
         self._underlying_factory = underlying_factory
         self._live_clients = set()
 
-    @overrides
+    @override
     async def subscribe(
         self,
         subscription: Union[SubscriptionPath, str],
@@ -79,7 +84,7 @@ async def subscribe(
             subscriber, lambda: self._try_remove_client(subscriber)
         )
 
-    @overrides
+    @override
     async def __aenter__(self):
         return self
 
@@ -88,7 +93,7 @@ async def _try_remove_client(self, client: AsyncSingleSubscriber):
             self._live_clients.remove(client)
             await client.__aexit__(None, None, None)
 
-    @overrides
+    @override
     async def __aexit__(self, exc_type, exc_value, traceback):
         live_clients = self._live_clients
         self._live_clients = set()

google/cloud/pubsublite/cloudpubsub/internal/multiplexed_publisher_client.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from concurrent.futures import Future
+import sys
 from typing import Callable, Union, Mapping
 
 from google.api_core.exceptions import GoogleAPICallError
@@ -27,7 +28,11 @@
     PublisherClientInterface,
 )
 from google.cloud.pubsublite.types import TopicPath
-from overrides import overrides
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from overrides import overrides as override
 
 PublisherFactory = Callable[[TopicPath], SinglePublisher]
 
@@ -42,7 +47,7 @@ def __init__(self, publisher_factory: PublisherFactory):
             lambda topic: self._create_and_start_publisher(topic)
         )
 
-    @overrides
+    @override
     def publish(
         self,
         topic: Union[TopicPath, str],
@@ -80,11 +85,11 @@ def _on_future_completion(
         except GoogleAPICallError:
             self._multiplexer.try_erase(topic, publisher)
 
-    @overrides
+    @override
     def __enter__(self):
         self._multiplexer.__enter__()
         return self
 
-    @overrides
+    @override
     def __exit__(self, exc_type, exc_value, traceback):
         self._multiplexer.__exit__(exc_type, exc_value, traceback)

google/cloud/pubsublite/cloudpubsub/internal/multiplexed_subscriber_client.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 from concurrent.futures.thread import ThreadPoolExecutor
+import sys
 from typing import Union, Optional, Set
 from threading import Lock
 
@@ -31,7 +32,11 @@
     FlowControlSettings,
     Partition,
 )
-from overrides import overrides
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from overrides import overrides as override
 
 
 class MultiplexedSubscriberClient(SubscriberClientInterface):
@@ -49,7 +54,7 @@ def __init__(
         self._lock = Lock()
         self._live_clients = set()
 
-    @overrides
+    @override
     def subscribe(
         self,
         subscription: Union[SubscriptionPath, str],
@@ -84,12 +89,12 @@ def _try_remove_client(self, future: StreamingPullFuture):
             self._live_clients.remove(future)
         self._cancel_streaming_pull_future(future)
 
-    @overrides
+    @override
     def __enter__(self):
         self._executor.__enter__()
         return self
 
-    @overrides
+    @override
     def __exit__(self, exc_type, exc_value, traceback):
         with self._lock:
             live_clients = self._live_clients

google/cloud/pubsublite/cloudpubsub/message_transformer.py

@@ -13,10 +13,15 @@
 # limitations under the License.
 
 from abc import ABC, abstractmethod
+import sys
 from typing import Callable
 
 from google.pubsub_v1 import PubsubMessage
-from overrides import overrides
+
+if sys.version_info >= (3, 12):
+    from typing import override
+else:
+    from overrides import overrides as override
 
 from google.cloud.pubsublite_v1 import SequencedMessage
 
@@ -41,7 +46,7 @@ def transform(self, source: SequencedMessage) -> PubsubMessage:
     @staticmethod
     def of_callable(transformer: Callable[[SequencedMessage], PubsubMessage]):
         class CallableTransformer(MessageTransformer):
-            @overrides
+            @override
             def transform(self, source: SequencedMessage) -> PubsubMessage:
                 return transformer(source)