feat: add context manager support in client (#157)

- [ ] Regenerate this pull request now.

chore: fix docstring for first attribute of protos

committer: @busunkim96
PiperOrigin-RevId: 401271153

Source-Link: googleapis/googleapis@787f8c9

Source-Link: googleapis/googleapis-gen@81decff
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiODFkZWNmZmU5ZmM3MjM5NmE4MTUzZTc1NmQxZDY3YTZlZWNmZDYyMCJ9

packages/google-cloud-container/google/cloud/container_v1/services/cluster_manager/async_client.py

@@ -3491,6 +3491,12 @@ async def list_usable_subnetworks(
         # Done; return the response.
         return response
 
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc, tb):
+        await self.transport.close()
+
 
 try:
     DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(

packages/google-cloud-container/google/cloud/container_v1/services/cluster_manager/client.py

@@ -329,10 +329,7 @@ def __init__(
                 client_cert_source_for_mtls=client_cert_source_func,
                 quota_project_id=client_options.quota_project_id,
                 client_info=client_info,
-                always_use_jwt_access=(
-                    Transport == type(self).get_transport_class("grpc")
-                    or Transport == type(self).get_transport_class("grpc_asyncio")
-                ),
+                always_use_jwt_access=True,
             )
 
     def list_clusters(
@@ -3588,6 +3585,19 @@ def list_usable_subnetworks(
         # Done; return the response.
         return response
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, traceback):
+        """Releases underlying transport's resources.
+
+        .. warning::
+            ONLY use as a context manager if the transport is NOT shared
+            with other clients! Exiting the with block will CLOSE the transport
+            and may cause errors in other clients!
+        """
+        self.transport.close()
+
 
 try:
     DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(

packages/google-cloud-container/google/cloud/container_v1/services/cluster_manager/transports/base.py

@@ -373,6 +373,15 @@ def _prep_wrapped_messages(self, client_info):
             ),
         }
 
+    def close(self):
+        """Closes resources associated with the transport.
+
+       .. warning::
+            Only call this method if the transport is NOT shared
+            with other clients - this may cause errors in other clients!
+        """
+        raise NotImplementedError()
+
     @property
     def list_clusters(
         self,

packages/google-cloud-container/google/cloud/container_v1/services/cluster_manager/transports/grpc.py

@@ -1123,5 +1123,8 @@ def list_usable_subnetworks(
             )
         return self._stubs["list_usable_subnetworks"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("ClusterManagerGrpcTransport",)

packages/google-cloud-container/google/cloud/container_v1/services/cluster_manager/transports/grpc_asyncio.py

@@ -1173,5 +1173,8 @@ def list_usable_subnetworks(
             )
         return self._stubs["list_usable_subnetworks"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("ClusterManagerGrpcAsyncIOTransport",)