feat: add context manager support in client (#114)

- [ ] 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/grafeas/grafeas/grafeas_v1/services/grafeas/async_client.py

@@ -1316,6 +1316,12 @@ async def list_note_occurrences(
         # 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/grafeas/grafeas/grafeas_v1/services/grafeas/client.py

@@ -1373,6 +1373,19 @@ def list_note_occurrences(
         # 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/grafeas/grafeas/grafeas_v1/services/grafeas/transports/base.py

@@ -295,6 +295,15 @@ 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 get_occurrence(
         self,

packages/grafeas/grafeas/grafeas_v1/services/grafeas/transports/grpc.py

@@ -608,5 +608,8 @@ def list_note_occurrences(
             )
         return self._stubs["list_note_occurrences"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("GrafeasGrpcTransport",)

packages/grafeas/grafeas/grafeas_v1/services/grafeas/transports/grpc_asyncio.py

@@ -623,5 +623,8 @@ def list_note_occurrences(
             )
         return self._stubs["list_note_occurrences"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("GrafeasGrpcAsyncIOTransport",)

packages/grafeas/grafeas/grafeas_v1/types/upgrade.py

@@ -120,6 +120,7 @@ class WindowsUpdate(proto.Message):
 
     class Identity(proto.Message):
         r"""The unique identifier of the update.
+
         Attributes:
             update_id (str):
                 The revision independent identifier of the
@@ -133,6 +134,7 @@ class Identity(proto.Message):
 
     class Category(proto.Message):
         r"""The category to which the update belongs.
+
         Attributes:
             category_id (str):
                 The identifier of the category.

packages/grafeas/grafeas/grafeas_v1/types/vulnerability.py

@@ -153,6 +153,7 @@ class Detail(proto.Message):
 
     class WindowsDetail(proto.Message):
         r"""
+
         Attributes:
             cpe_uri (str):
                 Required. The `CPE
@@ -173,6 +174,7 @@ class WindowsDetail(proto.Message):
 
         class KnowledgeBase(proto.Message):
             r"""
+
             Attributes:
                 name (str):
                     The KB name (generally of the form KB[0-9]+ (e.g.,

packages/grafeas/tests/unit/gapic/grafeas_v1/test_grafeas.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.oauth2 import service_account
@@ -3495,6 +3496,9 @@ def test_grafeas_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_grafeas_base_transport_with_credentials_file():
@@ -3947,3 +3951,43 @@ def test_parse_common_location_path():
     # Check that the path construction is reversible.
     actual = GrafeasClient.parse_common_location_path(path)
     assert expected == actual
+
+
+@pytest.mark.asyncio
+async def test_transport_close_async():
+    client = GrafeasAsyncClient(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 = GrafeasClient(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 = GrafeasClient(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()