feat: add context manager support in client

google/cloud/billing/budgets_v1/services/budget_service/async_client.py

@@ -624,6 +624,12 @@ async def delete_budget(
             request, retry=retry, timeout=timeout, metadata=metadata,
         )
 
+    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(

google/cloud/billing/budgets_v1/services/budget_service/client.py

@@ -346,10 +346,7 @@ 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 create_budget(
@@ -770,6 +767,19 @@ def delete_budget(
             request, retry=retry, timeout=timeout, metadata=metadata,
         )
 
+    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(

google/cloud/billing/budgets_v1/services/budget_service/transports/base.py

@@ -224,6 +224,15 @@ 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 create_budget(
         self,

google/cloud/billing/budgets_v1/services/budget_service/transports/grpc.py

@@ -379,5 +379,8 @@ def delete_budget(
             )
         return self._stubs["delete_budget"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("BudgetServiceGrpcTransport",)

google/cloud/billing/budgets_v1/services/budget_service/transports/grpc_asyncio.py

@@ -383,5 +383,8 @@ def delete_budget(
             )
         return self._stubs["delete_budget"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("BudgetServiceGrpcAsyncIOTransport",)

google/cloud/billing/budgets_v1/types/budget_model.py

@@ -101,6 +101,7 @@ class Budget(proto.Message):
 
 class BudgetAmount(proto.Message):
     r"""The budgeted amount for each usage period.
+
     Attributes:
         specified_amount (google.type.money_pb2.Money):
             A specified amount to use as the budget. ``currency_code``
@@ -135,7 +136,8 @@ class LastPeriodAmount(proto.Message):
     configuring a percentage of last period's spend). LastPeriodAmount
     cannot be set for a budget configured with a
     [Filter.custom_period][google.cloud.billing.budgets.v1.Filter.custom_period].
-        """
+
+    """
 
 
 class ThresholdRule(proto.Message):

google/cloud/billing/budgets_v1/types/budget_service.py

@@ -34,6 +34,7 @@
 
 class CreateBudgetRequest(proto.Message):
     r"""Request for CreateBudget
+
     Attributes:
         parent (str):
             Required. The name of the billing account to create the
@@ -49,6 +50,7 @@ class CreateBudgetRequest(proto.Message):
 
 class UpdateBudgetRequest(proto.Message):
     r"""Request for UpdateBudget
+
     Attributes:
         budget (google.cloud.billing.budgets_v1.types.Budget):
             Required. The updated budget object.
@@ -71,6 +73,7 @@ class UpdateBudgetRequest(proto.Message):
 
 class GetBudgetRequest(proto.Message):
     r"""Request for GetBudget
+
     Attributes:
         name (str):
             Required. Name of budget to get. Values are of the form
@@ -82,6 +85,7 @@ class GetBudgetRequest(proto.Message):
 
 class ListBudgetsRequest(proto.Message):
     r"""Request for ListBudgets
+
     Attributes:
         parent (str):
             Required. Name of billing account to list budgets under.
@@ -105,6 +109,7 @@ class ListBudgetsRequest(proto.Message):
 
 class ListBudgetsResponse(proto.Message):
     r"""Response for ListBudgets
+
     Attributes:
         budgets (Sequence[google.cloud.billing.budgets_v1.types.Budget]):
             List of the budgets owned by the requested
@@ -125,6 +130,7 @@ def raw_page(self):
 
 class DeleteBudgetRequest(proto.Message):
     r"""Request for DeleteBudget
+
     Attributes:
         name (str):
             Required. Name of the budget to delete. Values are of the

google/cloud/billing/budgets_v1beta1/services/budget_service/async_client.py

@@ -487,6 +487,12 @@ async def delete_budget(
             request, retry=retry, timeout=timeout, metadata=metadata,
         )
 
+    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(

google/cloud/billing/budgets_v1beta1/services/budget_service/client.py

@@ -345,10 +345,7 @@ 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 create_budget(
@@ -638,6 +635,19 @@ def delete_budget(
             request, retry=retry, timeout=timeout, metadata=metadata,
         )
 
+    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(

google/cloud/billing/budgets_v1beta1/services/budget_service/transports/base.py

@@ -224,6 +224,15 @@ 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 create_budget(
         self,

google/cloud/billing/budgets_v1beta1/services/budget_service/transports/grpc.py

@@ -379,5 +379,8 @@ def delete_budget(
             )
         return self._stubs["delete_budget"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("BudgetServiceGrpcTransport",)

google/cloud/billing/budgets_v1beta1/services/budget_service/transports/grpc_asyncio.py

@@ -383,5 +383,8 @@ def delete_budget(
             )
         return self._stubs["delete_budget"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("BudgetServiceGrpcAsyncIOTransport",)

google/cloud/billing/budgets_v1beta1/types/budget_model.py

@@ -99,6 +99,7 @@ class Budget(proto.Message):
 
 class BudgetAmount(proto.Message):
     r"""The budgeted amount for each usage period.
+
     Attributes:
         specified_amount (google.type.money_pb2.Money):
             A specified amount to use as the budget. ``currency_code``
@@ -133,7 +134,8 @@ class LastPeriodAmount(proto.Message):
     configuring a percentage of last period's spend). LastPeriodAmount
     cannot be set for a budget configured with a
     [Filter.custom_period][google.cloud.billing.budgets.v1beta1.Filter.custom_period].
-        """
+
+    """
 
 
 class ThresholdRule(proto.Message):

google/cloud/billing/budgets_v1beta1/types/budget_service.py

@@ -34,6 +34,7 @@
 
 class CreateBudgetRequest(proto.Message):
     r"""Request for CreateBudget
+
     Attributes:
         parent (str):
             Required. The name of the billing account to create the
@@ -49,6 +50,7 @@ class CreateBudgetRequest(proto.Message):
 
 class UpdateBudgetRequest(proto.Message):
     r"""Request for UpdateBudget
+
     Attributes:
         budget (google.cloud.billing.budgets_v1beta1.types.Budget):
             Required. The updated budget object.
@@ -71,6 +73,7 @@ class UpdateBudgetRequest(proto.Message):
 
 class GetBudgetRequest(proto.Message):
     r"""Request for GetBudget
+
     Attributes:
         name (str):
             Required. Name of budget to get. Values are of the form
@@ -82,6 +85,7 @@ class GetBudgetRequest(proto.Message):
 
 class ListBudgetsRequest(proto.Message):
     r"""Request for ListBudgets
+
     Attributes:
         parent (str):
             Required. Name of billing account to list budgets under.
@@ -105,6 +109,7 @@ class ListBudgetsRequest(proto.Message):
 
 class ListBudgetsResponse(proto.Message):
     r"""Response for ListBudgets
+
     Attributes:
         budgets (Sequence[google.cloud.billing.budgets_v1beta1.types.Budget]):
             List of the budgets owned by the requested
@@ -125,6 +130,7 @@ def raw_page(self):
 
 class DeleteBudgetRequest(proto.Message):
     r"""Request for DeleteBudget
+
     Attributes:
         name (str):
             Required. Name of the budget to delete. Values are of the

tests/unit/gapic/budgets_v1/test_budget_service.py

@@ -29,6 +29,7 @@
 from google.api_core import gapic_v1
 from google.api_core import grpc_helpers
 from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
 from google.cloud.billing.budgets_v1.services.budget_service import (
@@ -1784,6 +1785,9 @@ def test_budget_service_base_transport():
         with pytest.raises(NotImplementedError):
             getattr(transport, method)(request=object())
 
+    with pytest.raises(NotImplementedError):
+        transport.close()
+
 
 @requires_google_auth_gte_1_25_0
 def test_budget_service_base_transport_with_credentials_file():
@@ -2283,3 +2287,49 @@ def test_client_withDEFAULT_CLIENT_INFO():
             credentials=ga_credentials.AnonymousCredentials(), client_info=client_info,
         )
         prep.assert_called_once_with(client_info)
+
+
+@pytest.mark.asyncio
+async def test_transport_close_async():
+    client = BudgetServiceAsyncClient(
+        credentials=ga_credentials.AnonymousCredentials(), transport="grpc_asyncio",
+    )
+    with mock.patch.object(
+        type(getattr(client.transport, "grpc_channel")), "close"
+    ) as close:
+        async with client:
+            close.assert_not_called()
+        close.assert_called_once()
+
+
+def test_transport_close():
+    transports = {
+        "grpc": "_grpc_channel",
+    }
+
+    for transport, close_name in transports.items():
+        client = BudgetServiceClient(
+            credentials=ga_credentials.AnonymousCredentials(), transport=transport
+        )
+        with mock.patch.object(
+            type(getattr(client.transport, close_name)), "close"
+        ) as close:
+            with client:
+                close.assert_not_called()
+            close.assert_called_once()
+
+
+def test_client_ctx():
+    transports = [
+        "grpc",
+    ]
+    for transport in transports:
+        client = BudgetServiceClient(
+            credentials=ga_credentials.AnonymousCredentials(), transport=transport
+        )
+        # Test client calls underlying transport.
+        with mock.patch.object(type(client.transport), "close") as close:
+            close.assert_not_called()
+            with client:
+                pass
+            close.assert_called()