feat: add context manager support in client

google/cloud/trace_v1/services/trace_service/async_client.py

@@ -414,6 +414,12 @@ async def patch_traces(
             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/trace_v1/services/trace_service/client.py

@@ -332,10 +332,7 @@ 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_traces(
@@ -561,6 +558,19 @@ def patch_traces(
             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/trace_v1/services/trace_service/transports/base.py

@@ -204,6 +204,15 @@ 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_traces(
         self,

google/cloud/trace_v1/services/trace_service/transports/grpc.py

@@ -312,5 +312,8 @@ def patch_traces(self) -> Callable[[trace.PatchTracesRequest], empty_pb2.Empty]:
             )
         return self._stubs["patch_traces"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("TraceServiceGrpcTransport",)

google/cloud/trace_v1/services/trace_service/transports/grpc_asyncio.py

@@ -317,5 +317,8 @@ def patch_traces(
             )
         return self._stubs["patch_traces"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("TraceServiceGrpcAsyncIOTransport",)

google/cloud/trace_v1/types/trace.py

@@ -56,6 +56,7 @@ class Trace(proto.Message):
 
 class Traces(proto.Message):
     r"""List of new or updated traces.
+
     Attributes:
         traces (Sequence[google.cloud.trace_v1.types.Trace]):
             List of traces.
@@ -254,6 +255,7 @@ class ViewType(proto.Enum):
 
 class ListTracesResponse(proto.Message):
     r"""The response message for the ``ListTraces`` method.
+
     Attributes:
         traces (Sequence[google.cloud.trace_v1.types.Trace]):
             List of trace records as specified by the
@@ -275,6 +277,7 @@ def raw_page(self):
 
 class GetTraceRequest(proto.Message):
     r"""The request message for the ``GetTrace`` method.
+
     Attributes:
         project_id (str):
             Required. ID of the Cloud project where the
@@ -289,6 +292,7 @@ class GetTraceRequest(proto.Message):
 
 class PatchTracesRequest(proto.Message):
     r"""The request message for the ``PatchTraces`` method.
+
     Attributes:
         project_id (str):
             Required. ID of the Cloud project where the

google/cloud/trace_v2/services/trace_service/async_client.py

@@ -315,6 +315,12 @@ async def create_span(
         # 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/trace_v2/services/trace_service/client.py

@@ -351,10 +351,7 @@ 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 batch_write_spans(
@@ -497,6 +494,19 @@ def create_span(
         # 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/trace_v2/services/trace_service/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 batch_write_spans(
         self,

google/cloud/trace_v2/services/trace_service/transports/grpc.py

@@ -283,5 +283,8 @@ def create_span(self) -> Callable[[trace.Span], trace.Span]:
             )
         return self._stubs["create_span"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("TraceServiceGrpcTransport",)

google/cloud/trace_v2/services/trace_service/transports/grpc_asyncio.py

@@ -286,5 +286,8 @@ def create_span(self) -> Callable[[trace.Span], Awaitable[trace.Span]]:
             )
         return self._stubs["create_span"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("TraceServiceGrpcAsyncIOTransport",)

google/cloud/trace_v2/types/trace.py

@@ -125,6 +125,7 @@ class SpanKind(proto.Enum):
 
     class Attributes(proto.Message):
         r"""A set of attributes, each in the format ``[KEY]:[VALUE]``.
+
         Attributes:
             attribute_map (Sequence[google.cloud.trace_v2.types.Span.Attributes.AttributeMapEntry]):
                 The set of attributes. Each attribute's key can be up to 128
@@ -152,6 +153,7 @@ class Attributes(proto.Message):
 
     class TimeEvent(proto.Message):
         r"""A time-stamped annotation or message event in the Span.
+
         Attributes:
             time (google.protobuf.timestamp_pb2.Timestamp):
                 The timestamp indicating the time the event
@@ -165,6 +167,7 @@ class TimeEvent(proto.Message):
 
         class Annotation(proto.Message):
             r"""Text annotation with a set of attributes.
+
             Attributes:
                 description (google.cloud.trace_v2.types.TruncatableString):
                     A user-supplied message describing the event.
@@ -184,6 +187,7 @@ class Annotation(proto.Message):
 
         class MessageEvent(proto.Message):
             r"""An event describing a message sent/received between Spans.
+
             Attributes:
                 type (google.cloud.trace_v2.types.Span.TimeEvent.MessageEvent.Type):
                     Type of MessageEvent. Indicates whether the
@@ -321,6 +325,7 @@ class Links(proto.Message):
 
 class AttributeValue(proto.Message):
     r"""The allowed types for [VALUE] in a ``[KEY]:[VALUE]`` attribute.
+
     Attributes:
         string_value (google.cloud.trace_v2.types.TruncatableString):
             A string up to 256 bytes long.
@@ -339,6 +344,7 @@ class AttributeValue(proto.Message):
 
 class StackTrace(proto.Message):
     r"""A call stack appearing in a trace.
+
     Attributes:
         stack_frames (google.cloud.trace_v2.types.StackTrace.StackFrames):
             Stack frames in this stack trace. A maximum
@@ -357,6 +363,7 @@ class StackTrace(proto.Message):
 
     class StackFrame(proto.Message):
         r"""Represents a single stack frame in a stack trace.
+
         Attributes:
             function_name (google.cloud.trace_v2.types.TruncatableString):
                 The fully-qualified name that uniquely
@@ -400,6 +407,7 @@ class StackFrame(proto.Message):
 
     class StackFrames(proto.Message):
         r"""A collection of stack frames, which can be truncated.
+
         Attributes:
             frame (Sequence[google.cloud.trace_v2.types.StackTrace.StackFrame]):
                 Stack frames in this call stack.
@@ -421,6 +429,7 @@ class StackFrames(proto.Message):
 
 class Module(proto.Message):
     r"""Binary module.
+
     Attributes:
         module (google.cloud.trace_v2.types.TruncatableString):
             For example: main binary, kernel modules, and

google/cloud/trace_v2/types/tracing.py

@@ -25,6 +25,7 @@
 
 class BatchWriteSpansRequest(proto.Message):
     r"""The request message for the ``BatchWriteSpans`` method.
+
     Attributes:
         name (str):
             Required. The name of the project where the spans belong.

tests/unit/gapic/trace_v1/test_trace_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.trace_v1.services.trace_service import TraceServiceAsyncClient
@@ -1143,6 +1144,9 @@ def test_trace_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_trace_service_base_transport_with_credentials_file():
@@ -1618,3 +1622,49 @@ 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 = TraceServiceAsyncClient(
+        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 = TraceServiceClient(
+            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 = TraceServiceClient(
+            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()