feat: add context manager support in client (#111)

- [ ] 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

google/cloud/memcache_v1/services/cloud_memcache/async_client.py

@@ -849,6 +849,12 @@ async def apply_parameters(
         # 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(

google/cloud/memcache_v1/services/cloud_memcache/client.py

@@ -366,10 +366,7 @@ 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_instances(
@@ -1036,6 +1033,19 @@ def apply_parameters(
         # 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(

google/cloud/memcache_v1/services/cloud_memcache/transports/base.py

@@ -177,6 +177,15 @@ 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 operations_client(self) -> operations_v1.OperationsClient:
         """Return the client designed to process long-running operations."""

google/cloud/memcache_v1/services/cloud_memcache/transports/grpc.py

@@ -450,5 +450,8 @@ def apply_parameters(
             )
         return self._stubs["apply_parameters"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("CloudMemcacheGrpcTransport",)

google/cloud/memcache_v1/services/cloud_memcache/transports/grpc_asyncio.py

@@ -468,5 +468,8 @@ def apply_parameters(
             )
         return self._stubs["apply_parameters"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("CloudMemcacheGrpcAsyncIOTransport",)

google/cloud/memcache_v1/types/cloud_memcache.py

@@ -46,6 +46,7 @@ class MemcacheVersion(proto.Enum):
 
 class Instance(proto.Message):
     r"""
+
     Attributes:
         name (str):
             Required. Unique name of the resource in this scope
@@ -129,6 +130,7 @@ class State(proto.Enum):
 
     class NodeConfig(proto.Message):
         r"""Configuration for a Memcached Node.
+
         Attributes:
             cpu_count (int):
                 Required. Number of cpus per Memcached node.
@@ -142,6 +144,7 @@ class NodeConfig(proto.Message):
 
     class Node(proto.Message):
         r"""
+
         Attributes:
             node_id (str):
                 Output only. Identifier of the Memcached
@@ -182,6 +185,7 @@ class State(proto.Enum):
 
     class InstanceMessage(proto.Message):
         r"""
+
         Attributes:
             code (google.cloud.memcache_v1.types.Instance.InstanceMessage.Code):
                 A code that correspond to one type of user-
@@ -417,6 +421,7 @@ class UpdateParametersRequest(proto.Message):
 
 class MemcacheParameters(proto.Message):
     r"""
+
     Attributes:
         id (str):
             Output only. The unique ID associated with
@@ -436,6 +441,7 @@ class MemcacheParameters(proto.Message):
 
 class OperationMetadata(proto.Message):
     r"""Represents the metadata of a long-running operation.
+
     Attributes:
         create_time (google.protobuf.timestamp_pb2.Timestamp):
             Output only. Time when the operation was

google/cloud/memcache_v1beta2/services/cloud_memcache/async_client.py

@@ -960,6 +960,12 @@ async def apply_software_update(
         # 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(

google/cloud/memcache_v1beta2/services/cloud_memcache/client.py

@@ -366,10 +366,7 @@ 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_instances(
@@ -1147,6 +1144,19 @@ def apply_software_update(
         # 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(

google/cloud/memcache_v1beta2/services/cloud_memcache/transports/base.py

@@ -182,6 +182,15 @@ 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 operations_client(self) -> operations_v1.OperationsClient:
         """Return the client designed to process long-running operations."""

google/cloud/memcache_v1beta2/services/cloud_memcache/transports/grpc.py

@@ -479,5 +479,8 @@ def apply_software_update(
             )
         return self._stubs["apply_software_update"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("CloudMemcacheGrpcTransport",)

google/cloud/memcache_v1beta2/services/cloud_memcache/transports/grpc_asyncio.py

@@ -497,5 +497,8 @@ def apply_software_update(
             )
         return self._stubs["apply_software_update"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("CloudMemcacheGrpcAsyncIOTransport",)

google/cloud/memcache_v1beta2/types/cloud_memcache.py

@@ -49,6 +49,7 @@ class MemcacheVersion(proto.Enum):
 
 class Instance(proto.Message):
     r"""A Memorystore for Memcached instance
+
     Attributes:
         name (str):
             Required. Unique name of the resource in this scope
@@ -138,6 +139,7 @@ class State(proto.Enum):
 
     class NodeConfig(proto.Message):
         r"""Configuration for a Memcached Node.
+
         Attributes:
             cpu_count (int):
                 Required. Number of cpus per Memcached node.
@@ -151,6 +153,7 @@ class NodeConfig(proto.Message):
 
     class Node(proto.Message):
         r"""
+
         Attributes:
             node_id (str):
                 Output only. Identifier of the Memcached
@@ -195,6 +198,7 @@ class State(proto.Enum):
 
     class InstanceMessage(proto.Message):
         r"""
+
         Attributes:
             code (google.cloud.memcache_v1beta2.types.Instance.InstanceMessage.Code):
                 A code that correspond to one type of user-
@@ -475,6 +479,7 @@ class MemcacheParameters(proto.Message):
 
 class OperationMetadata(proto.Message):
     r"""Represents the metadata of a long-running operation.
+
     Attributes:
         create_time (google.protobuf.timestamp_pb2.Timestamp):
             Output only. Time when the operation was
@@ -529,7 +534,8 @@ class LocationMetadata(proto.Message):
 
 
 class ZoneMetadata(proto.Message):
-    r"""    """
+    r"""
+    """
 
 
 __all__ = tuple(sorted(__protobuf__.manifest))

tests/unit/gapic/memcache_v1/test_cloud_memcache.py

@@ -32,6 +32,7 @@
 from google.api_core import grpc_helpers_async
 from google.api_core import operation_async  # type: ignore
 from google.api_core import operations_v1
+from google.api_core import path_template
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
 from google.cloud.memcache_v1.services.cloud_memcache import CloudMemcacheAsyncClient
@@ -2274,6 +2275,9 @@ def test_cloud_memcache_base_transport():
         with pytest.raises(NotImplementedError):
             getattr(transport, method)(request=object())
 
+    with pytest.raises(NotImplementedError):
+        transport.close()
+
     # Additionally, the LRO client (a property) should
     # also raise NotImplementedError
     with pytest.raises(NotImplementedError):
@@ -2785,3 +2789,49 @@ 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 = CloudMemcacheAsyncClient(
+        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 = CloudMemcacheClient(
+            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 = CloudMemcacheClient(
+            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()

tests/unit/gapic/memcache_v1beta2/test_cloud_memcache.py

@@ -32,6 +32,7 @@
 from google.api_core import grpc_helpers_async
 from google.api_core import operation_async  # type: ignore
 from google.api_core import operations_v1
+from google.api_core import path_template
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
 from google.cloud.memcache_v1beta2.services.cloud_memcache import (
@@ -2510,6 +2511,9 @@ def test_cloud_memcache_base_transport():
         with pytest.raises(NotImplementedError):
             getattr(transport, method)(request=object())
 
+    with pytest.raises(NotImplementedError):
+        transport.close()
+
     # Additionally, the LRO client (a property) should
     # also raise NotImplementedError
     with pytest.raises(NotImplementedError):
@@ -3021,3 +3025,49 @@ 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 = CloudMemcacheAsyncClient(
+        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 = CloudMemcacheClient(
+            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 = CloudMemcacheClient(
+            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()