1# -*- coding: utf-8 -*-
2# Copyright 2025 Google LLC
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8# http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16import inspect
17import json
18import pickle
19import logging as std_logging
20import warnings
21from typing import Awaitable, Callable, Dict, Optional, Sequence, Tuple, Union
22
23from google.api_core import gapic_v1
24from google.api_core import grpc_helpers_async
25from google.api_core import exceptions as core_exceptions
26from google.api_core import retry_async as retries
27from google.auth import credentials as ga_credentials # type: ignore
28from google.auth.transport.grpc import SslCredentials # type: ignore
29from google.protobuf.json_format import MessageToJson
30import google.protobuf.message
31
32import grpc # type: ignore
33import proto # type: ignore
34from grpc.experimental import aio # type: ignore
35
36from google.cloud.logging_v2.types import logging
37from google.longrunning import operations_pb2 # type: ignore
38from google.protobuf import empty_pb2 # type: ignore
39from .base import LoggingServiceV2Transport, DEFAULT_CLIENT_INFO
40from .grpc import LoggingServiceV2GrpcTransport
41
42try:
43 from google.api_core import client_logging # type: ignore
44
45 CLIENT_LOGGING_SUPPORTED = True # pragma: NO COVER
46except ImportError: # pragma: NO COVER
47 CLIENT_LOGGING_SUPPORTED = False
48
49_LOGGER = std_logging.getLogger(__name__)
50
51
52class _LoggingClientAIOInterceptor(
53 grpc.aio.UnaryUnaryClientInterceptor
54): # pragma: NO COVER
55 async def intercept_unary_unary(self, continuation, client_call_details, request):
56 logging_enabled = CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
57 std_logging.DEBUG
58 )
59 if logging_enabled: # pragma: NO COVER
60 request_metadata = client_call_details.metadata
61 if isinstance(request, proto.Message):
62 request_payload = type(request).to_json(request)
63 elif isinstance(request, google.protobuf.message.Message):
64 request_payload = MessageToJson(request)
65 else:
66 request_payload = f"{type(request).__name__}: {pickle.dumps(request)}"
67
68 request_metadata = {
69 key: value.decode("utf-8") if isinstance(value, bytes) else value
70 for key, value in request_metadata
71 }
72 grpc_request = {
73 "payload": request_payload,
74 "requestMethod": "grpc",
75 "metadata": dict(request_metadata),
76 }
77 _LOGGER.debug(
78 f"Sending request for {client_call_details.method}",
79 extra={
80 "serviceName": "google.logging.v2.LoggingServiceV2",
81 "rpcName": str(client_call_details.method),
82 "request": grpc_request,
83 "metadata": grpc_request["metadata"],
84 },
85 )
86 response = await continuation(client_call_details, request)
87 if logging_enabled: # pragma: NO COVER
88 response_metadata = await response.trailing_metadata()
89 # Convert gRPC metadata `<class 'grpc.aio._metadata.Metadata'>` to list of tuples
90 metadata = (
91 dict([(k, str(v)) for k, v in response_metadata])
92 if response_metadata
93 else None
94 )
95 result = await response
96 if isinstance(result, proto.Message):
97 response_payload = type(result).to_json(result)
98 elif isinstance(result, google.protobuf.message.Message):
99 response_payload = MessageToJson(result)
100 else:
101 response_payload = f"{type(result).__name__}: {pickle.dumps(result)}"
102 grpc_response = {
103 "payload": response_payload,
104 "metadata": metadata,
105 "status": "OK",
106 }
107 _LOGGER.debug(
108 f"Received response to rpc {client_call_details.method}.",
109 extra={
110 "serviceName": "google.logging.v2.LoggingServiceV2",
111 "rpcName": str(client_call_details.method),
112 "response": grpc_response,
113 "metadata": grpc_response["metadata"],
114 },
115 )
116 return response
117
118
119class LoggingServiceV2GrpcAsyncIOTransport(LoggingServiceV2Transport):
120 """gRPC AsyncIO backend transport for LoggingServiceV2.
121
122 Service for ingesting and querying logs.
123
124 This class defines the same methods as the primary client, so the
125 primary client can load the underlying transport implementation
126 and call it.
127
128 It sends protocol buffers over the wire using gRPC (which is built on
129 top of HTTP/2); the ``grpcio`` package must be installed.
130 """
131
132 _grpc_channel: aio.Channel
133 _stubs: Dict[str, Callable] = {}
134
135 @classmethod
136 def create_channel(
137 cls,
138 host: str = "logging.googleapis.com",
139 credentials: Optional[ga_credentials.Credentials] = None,
140 credentials_file: Optional[str] = None,
141 scopes: Optional[Sequence[str]] = None,
142 quota_project_id: Optional[str] = None,
143 **kwargs,
144 ) -> aio.Channel:
145 """Create and return a gRPC AsyncIO channel object.
146 Args:
147 host (Optional[str]): The host for the channel to use.
148 credentials (Optional[~.Credentials]): The
149 authorization credentials to attach to requests. These
150 credentials identify this application to the service. If
151 none are specified, the client will attempt to ascertain
152 the credentials from the environment.
153 credentials_file (Optional[str]): Deprecated. A file with credentials that can
154 be loaded with :func:`google.auth.load_credentials_from_file`. This argument will be
155 removed in the next major version of this library.
156 scopes (Optional[Sequence[str]]): A optional list of scopes needed for this
157 service. These are only used when credentials are not specified and
158 are passed to :func:`google.auth.default`.
159 quota_project_id (Optional[str]): An optional project to use for billing
160 and quota.
161 kwargs (Optional[dict]): Keyword arguments, which are passed to the
162 channel creation.
163 Returns:
164 aio.Channel: A gRPC AsyncIO channel object.
165 """
166
167 return grpc_helpers_async.create_channel(
168 host,
169 credentials=credentials,
170 credentials_file=credentials_file,
171 quota_project_id=quota_project_id,
172 default_scopes=cls.AUTH_SCOPES,
173 scopes=scopes,
174 default_host=cls.DEFAULT_HOST,
175 **kwargs,
176 )
177
178 def __init__(
179 self,
180 *,
181 host: str = "logging.googleapis.com",
182 credentials: Optional[ga_credentials.Credentials] = None,
183 credentials_file: Optional[str] = None,
184 scopes: Optional[Sequence[str]] = None,
185 channel: Optional[Union[aio.Channel, Callable[..., aio.Channel]]] = None,
186 api_mtls_endpoint: Optional[str] = None,
187 client_cert_source: Optional[Callable[[], Tuple[bytes, bytes]]] = None,
188 ssl_channel_credentials: Optional[grpc.ChannelCredentials] = None,
189 client_cert_source_for_mtls: Optional[Callable[[], Tuple[bytes, bytes]]] = None,
190 quota_project_id: Optional[str] = None,
191 client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
192 always_use_jwt_access: Optional[bool] = False,
193 api_audience: Optional[str] = None,
194 ) -> None:
195 """Instantiate the transport.
196
197 Args:
198 host (Optional[str]):
199 The hostname to connect to (default: 'logging.googleapis.com').
200 credentials (Optional[google.auth.credentials.Credentials]): The
201 authorization credentials to attach to requests. These
202 credentials identify the application to the service; if none
203 are specified, the client will attempt to ascertain the
204 credentials from the environment.
205 This argument is ignored if a ``channel`` instance is provided.
206 credentials_file (Optional[str]): Deprecated. A file with credentials that can
207 be loaded with :func:`google.auth.load_credentials_from_file`.
208 This argument is ignored if a ``channel`` instance is provided.
209 This argument will be removed in the next major version of this library.
210 scopes (Optional[Sequence[str]]): A optional list of scopes needed for this
211 service. These are only used when credentials are not specified and
212 are passed to :func:`google.auth.default`.
213 channel (Optional[Union[aio.Channel, Callable[..., aio.Channel]]]):
214 A ``Channel`` instance through which to make calls, or a Callable
215 that constructs and returns one. If set to None, ``self.create_channel``
216 is used to create the channel. If a Callable is given, it will be called
217 with the same arguments as used in ``self.create_channel``.
218 api_mtls_endpoint (Optional[str]): Deprecated. The mutual TLS endpoint.
219 If provided, it overrides the ``host`` argument and tries to create
220 a mutual TLS channel with client SSL credentials from
221 ``client_cert_source`` or application default SSL credentials.
222 client_cert_source (Optional[Callable[[], Tuple[bytes, bytes]]]):
223 Deprecated. A callback to provide client SSL certificate bytes and
224 private key bytes, both in PEM format. It is ignored if
225 ``api_mtls_endpoint`` is None.
226 ssl_channel_credentials (grpc.ChannelCredentials): SSL credentials
227 for the grpc channel. It is ignored if a ``channel`` instance is provided.
228 client_cert_source_for_mtls (Optional[Callable[[], Tuple[bytes, bytes]]]):
229 A callback to provide client certificate bytes and private key bytes,
230 both in PEM format. It is used to configure a mutual TLS channel. It is
231 ignored if a ``channel`` instance or ``ssl_channel_credentials`` is provided.
232 quota_project_id (Optional[str]): An optional project to use for billing
233 and quota.
234 client_info (google.api_core.gapic_v1.client_info.ClientInfo):
235 The client info used to send a user-agent string along with
236 API requests. If ``None``, then default info will be used.
237 Generally, you only need to set this if you're developing
238 your own client library.
239 always_use_jwt_access (Optional[bool]): Whether self signed JWT should
240 be used for service account credentials.
241
242 Raises:
243 google.auth.exceptions.MutualTlsChannelError: If mutual TLS transport
244 creation failed for any reason.
245 google.api_core.exceptions.DuplicateCredentialArgs: If both ``credentials``
246 and ``credentials_file`` are passed.
247 """
248 self._grpc_channel = None
249 self._ssl_channel_credentials = ssl_channel_credentials
250 self._stubs: Dict[str, Callable] = {}
251
252 if api_mtls_endpoint:
253 warnings.warn("api_mtls_endpoint is deprecated", DeprecationWarning)
254 if client_cert_source:
255 warnings.warn("client_cert_source is deprecated", DeprecationWarning)
256
257 if isinstance(channel, aio.Channel):
258 # Ignore credentials if a channel was passed.
259 credentials = None
260 self._ignore_credentials = True
261 # If a channel was explicitly provided, set it.
262 self._grpc_channel = channel
263 self._ssl_channel_credentials = None
264 else:
265 if api_mtls_endpoint:
266 host = api_mtls_endpoint
267
268 # Create SSL credentials with client_cert_source or application
269 # default SSL credentials.
270 if client_cert_source:
271 cert, key = client_cert_source()
272 self._ssl_channel_credentials = grpc.ssl_channel_credentials(
273 certificate_chain=cert, private_key=key
274 )
275 else:
276 self._ssl_channel_credentials = SslCredentials().ssl_credentials
277
278 else:
279 if client_cert_source_for_mtls and not ssl_channel_credentials:
280 cert, key = client_cert_source_for_mtls()
281 self._ssl_channel_credentials = grpc.ssl_channel_credentials(
282 certificate_chain=cert, private_key=key
283 )
284
285 # The base transport sets the host, credentials and scopes
286 super().__init__(
287 host=host,
288 credentials=credentials,
289 credentials_file=credentials_file,
290 scopes=scopes,
291 quota_project_id=quota_project_id,
292 client_info=client_info,
293 always_use_jwt_access=always_use_jwt_access,
294 api_audience=api_audience,
295 )
296
297 if not self._grpc_channel:
298 # initialize with the provided callable or the default channel
299 channel_init = channel or type(self).create_channel
300 self._grpc_channel = channel_init(
301 self._host,
302 # use the credentials which are saved
303 credentials=self._credentials,
304 # Set ``credentials_file`` to ``None`` here as
305 # the credentials that we saved earlier should be used.
306 credentials_file=None,
307 scopes=self._scopes,
308 ssl_credentials=self._ssl_channel_credentials,
309 quota_project_id=quota_project_id,
310 options=[
311 ("grpc.max_send_message_length", -1),
312 ("grpc.max_receive_message_length", -1),
313 ],
314 )
315
316 self._interceptor = _LoggingClientAIOInterceptor()
317 self._grpc_channel._unary_unary_interceptors.append(self._interceptor)
318 self._logged_channel = self._grpc_channel
319 self._wrap_with_kind = (
320 "kind" in inspect.signature(gapic_v1.method_async.wrap_method).parameters
321 )
322 # Wrap messages. This must be done after self._logged_channel exists
323 self._prep_wrapped_messages(client_info)
324
325 @property
326 def grpc_channel(self) -> aio.Channel:
327 """Create the channel designed to connect to this service.
328
329 This property caches on the instance; repeated calls return
330 the same channel.
331 """
332 # Return the channel from cache.
333 return self._grpc_channel
334
335 @property
336 def delete_log(
337 self,
338 ) -> Callable[[logging.DeleteLogRequest], Awaitable[empty_pb2.Empty]]:
339 r"""Return a callable for the delete log method over gRPC.
340
341 Deletes all the log entries in a log for the \_Default Log
342 Bucket. The log reappears if it receives new entries. Log
343 entries written shortly before the delete operation might not be
344 deleted. Entries received after the delete operation with a
345 timestamp before the operation will be deleted.
346
347 Returns:
348 Callable[[~.DeleteLogRequest],
349 Awaitable[~.Empty]]:
350 A function that, when called, will call the underlying RPC
351 on the server.
352 """
353 # Generate a "stub function" on-the-fly which will actually make
354 # the request.
355 # gRPC handles serialization and deserialization, so we just need
356 # to pass in the functions for each.
357 if "delete_log" not in self._stubs:
358 self._stubs["delete_log"] = self._logged_channel.unary_unary(
359 "/google.logging.v2.LoggingServiceV2/DeleteLog",
360 request_serializer=logging.DeleteLogRequest.serialize,
361 response_deserializer=empty_pb2.Empty.FromString,
362 )
363 return self._stubs["delete_log"]
364
365 @property
366 def write_log_entries(
367 self,
368 ) -> Callable[
369 [logging.WriteLogEntriesRequest], Awaitable[logging.WriteLogEntriesResponse]
370 ]:
371 r"""Return a callable for the write log entries method over gRPC.
372
373 Writes log entries to Logging. This API method is the
374 only way to send log entries to Logging. This method is
375 used, directly or indirectly, by the Logging agent
376 (fluentd) and all logging libraries configured to use
377 Logging. A single request may contain log entries for a
378 maximum of 1000 different resources (projects,
379 organizations, billing accounts or folders)
380
381 Returns:
382 Callable[[~.WriteLogEntriesRequest],
383 Awaitable[~.WriteLogEntriesResponse]]:
384 A function that, when called, will call the underlying RPC
385 on the server.
386 """
387 # Generate a "stub function" on-the-fly which will actually make
388 # the request.
389 # gRPC handles serialization and deserialization, so we just need
390 # to pass in the functions for each.
391 if "write_log_entries" not in self._stubs:
392 self._stubs["write_log_entries"] = self._logged_channel.unary_unary(
393 "/google.logging.v2.LoggingServiceV2/WriteLogEntries",
394 request_serializer=logging.WriteLogEntriesRequest.serialize,
395 response_deserializer=logging.WriteLogEntriesResponse.deserialize,
396 )
397 return self._stubs["write_log_entries"]
398
399 @property
400 def list_log_entries(
401 self,
402 ) -> Callable[
403 [logging.ListLogEntriesRequest], Awaitable[logging.ListLogEntriesResponse]
404 ]:
405 r"""Return a callable for the list log entries method over gRPC.
406
407 Lists log entries. Use this method to retrieve log entries that
408 originated from a project/folder/organization/billing account.
409 For ways to export log entries, see `Exporting
410 Logs <https://cloud.google.com/logging/docs/export>`__.
411
412 Returns:
413 Callable[[~.ListLogEntriesRequest],
414 Awaitable[~.ListLogEntriesResponse]]:
415 A function that, when called, will call the underlying RPC
416 on the server.
417 """
418 # Generate a "stub function" on-the-fly which will actually make
419 # the request.
420 # gRPC handles serialization and deserialization, so we just need
421 # to pass in the functions for each.
422 if "list_log_entries" not in self._stubs:
423 self._stubs["list_log_entries"] = self._logged_channel.unary_unary(
424 "/google.logging.v2.LoggingServiceV2/ListLogEntries",
425 request_serializer=logging.ListLogEntriesRequest.serialize,
426 response_deserializer=logging.ListLogEntriesResponse.deserialize,
427 )
428 return self._stubs["list_log_entries"]
429
430 @property
431 def list_monitored_resource_descriptors(
432 self,
433 ) -> Callable[
434 [logging.ListMonitoredResourceDescriptorsRequest],
435 Awaitable[logging.ListMonitoredResourceDescriptorsResponse],
436 ]:
437 r"""Return a callable for the list monitored resource
438 descriptors method over gRPC.
439
440 Lists the descriptors for monitored resource types
441 used by Logging.
442
443 Returns:
444 Callable[[~.ListMonitoredResourceDescriptorsRequest],
445 Awaitable[~.ListMonitoredResourceDescriptorsResponse]]:
446 A function that, when called, will call the underlying RPC
447 on the server.
448 """
449 # Generate a "stub function" on-the-fly which will actually make
450 # the request.
451 # gRPC handles serialization and deserialization, so we just need
452 # to pass in the functions for each.
453 if "list_monitored_resource_descriptors" not in self._stubs:
454 self._stubs[
455 "list_monitored_resource_descriptors"
456 ] = self._logged_channel.unary_unary(
457 "/google.logging.v2.LoggingServiceV2/ListMonitoredResourceDescriptors",
458 request_serializer=logging.ListMonitoredResourceDescriptorsRequest.serialize,
459 response_deserializer=logging.ListMonitoredResourceDescriptorsResponse.deserialize,
460 )
461 return self._stubs["list_monitored_resource_descriptors"]
462
463 @property
464 def list_logs(
465 self,
466 ) -> Callable[[logging.ListLogsRequest], Awaitable[logging.ListLogsResponse]]:
467 r"""Return a callable for the list logs method over gRPC.
468
469 Lists the logs in projects, organizations, folders,
470 or billing accounts. Only logs that have entries are
471 listed.
472
473 Returns:
474 Callable[[~.ListLogsRequest],
475 Awaitable[~.ListLogsResponse]]:
476 A function that, when called, will call the underlying RPC
477 on the server.
478 """
479 # Generate a "stub function" on-the-fly which will actually make
480 # the request.
481 # gRPC handles serialization and deserialization, so we just need
482 # to pass in the functions for each.
483 if "list_logs" not in self._stubs:
484 self._stubs["list_logs"] = self._logged_channel.unary_unary(
485 "/google.logging.v2.LoggingServiceV2/ListLogs",
486 request_serializer=logging.ListLogsRequest.serialize,
487 response_deserializer=logging.ListLogsResponse.deserialize,
488 )
489 return self._stubs["list_logs"]
490
491 @property
492 def tail_log_entries(
493 self,
494 ) -> Callable[
495 [logging.TailLogEntriesRequest], Awaitable[logging.TailLogEntriesResponse]
496 ]:
497 r"""Return a callable for the tail log entries method over gRPC.
498
499 Streaming read of log entries as they are ingested.
500 Until the stream is terminated, it will continue reading
501 logs.
502
503 Returns:
504 Callable[[~.TailLogEntriesRequest],
505 Awaitable[~.TailLogEntriesResponse]]:
506 A function that, when called, will call the underlying RPC
507 on the server.
508 """
509 # Generate a "stub function" on-the-fly which will actually make
510 # the request.
511 # gRPC handles serialization and deserialization, so we just need
512 # to pass in the functions for each.
513 if "tail_log_entries" not in self._stubs:
514 self._stubs["tail_log_entries"] = self._logged_channel.stream_stream(
515 "/google.logging.v2.LoggingServiceV2/TailLogEntries",
516 request_serializer=logging.TailLogEntriesRequest.serialize,
517 response_deserializer=logging.TailLogEntriesResponse.deserialize,
518 )
519 return self._stubs["tail_log_entries"]
520
521 def _prep_wrapped_messages(self, client_info):
522 """Precompute the wrapped methods, overriding the base class method to use async wrappers."""
523 self._wrapped_methods = {
524 self.delete_log: self._wrap_method(
525 self.delete_log,
526 default_retry=retries.AsyncRetry(
527 initial=0.1,
528 maximum=60.0,
529 multiplier=1.3,
530 predicate=retries.if_exception_type(
531 core_exceptions.DeadlineExceeded,
532 core_exceptions.InternalServerError,
533 core_exceptions.ServiceUnavailable,
534 ),
535 deadline=60.0,
536 ),
537 default_timeout=60.0,
538 client_info=client_info,
539 ),
540 self.write_log_entries: self._wrap_method(
541 self.write_log_entries,
542 default_retry=retries.AsyncRetry(
543 initial=0.1,
544 maximum=60.0,
545 multiplier=1.3,
546 predicate=retries.if_exception_type(
547 core_exceptions.DeadlineExceeded,
548 core_exceptions.InternalServerError,
549 core_exceptions.ServiceUnavailable,
550 ),
551 deadline=60.0,
552 ),
553 default_timeout=60.0,
554 client_info=client_info,
555 ),
556 self.list_log_entries: self._wrap_method(
557 self.list_log_entries,
558 default_retry=retries.AsyncRetry(
559 initial=0.1,
560 maximum=60.0,
561 multiplier=1.3,
562 predicate=retries.if_exception_type(
563 core_exceptions.DeadlineExceeded,
564 core_exceptions.InternalServerError,
565 core_exceptions.ServiceUnavailable,
566 ),
567 deadline=60.0,
568 ),
569 default_timeout=60.0,
570 client_info=client_info,
571 ),
572 self.list_monitored_resource_descriptors: self._wrap_method(
573 self.list_monitored_resource_descriptors,
574 default_retry=retries.AsyncRetry(
575 initial=0.1,
576 maximum=60.0,
577 multiplier=1.3,
578 predicate=retries.if_exception_type(
579 core_exceptions.DeadlineExceeded,
580 core_exceptions.InternalServerError,
581 core_exceptions.ServiceUnavailable,
582 ),
583 deadline=60.0,
584 ),
585 default_timeout=60.0,
586 client_info=client_info,
587 ),
588 self.list_logs: self._wrap_method(
589 self.list_logs,
590 default_retry=retries.AsyncRetry(
591 initial=0.1,
592 maximum=60.0,
593 multiplier=1.3,
594 predicate=retries.if_exception_type(
595 core_exceptions.DeadlineExceeded,
596 core_exceptions.InternalServerError,
597 core_exceptions.ServiceUnavailable,
598 ),
599 deadline=60.0,
600 ),
601 default_timeout=60.0,
602 client_info=client_info,
603 ),
604 self.tail_log_entries: self._wrap_method(
605 self.tail_log_entries,
606 default_retry=retries.AsyncRetry(
607 initial=0.1,
608 maximum=60.0,
609 multiplier=1.3,
610 predicate=retries.if_exception_type(
611 core_exceptions.DeadlineExceeded,
612 core_exceptions.InternalServerError,
613 core_exceptions.ServiceUnavailable,
614 ),
615 deadline=3600.0,
616 ),
617 default_timeout=3600.0,
618 client_info=client_info,
619 ),
620 self.cancel_operation: self._wrap_method(
621 self.cancel_operation,
622 default_timeout=None,
623 client_info=client_info,
624 ),
625 self.get_operation: self._wrap_method(
626 self.get_operation,
627 default_timeout=None,
628 client_info=client_info,
629 ),
630 self.list_operations: self._wrap_method(
631 self.list_operations,
632 default_timeout=None,
633 client_info=client_info,
634 ),
635 }
636
637 def _wrap_method(self, func, *args, **kwargs):
638 if self._wrap_with_kind: # pragma: NO COVER
639 kwargs["kind"] = self.kind
640 return gapic_v1.method_async.wrap_method(func, *args, **kwargs)
641
642 def close(self):
643 return self._logged_channel.close()
644
645 @property
646 def kind(self) -> str:
647 return "grpc_asyncio"
648
649 @property
650 def cancel_operation(
651 self,
652 ) -> Callable[[operations_pb2.CancelOperationRequest], None]:
653 r"""Return a callable for the cancel_operation method over gRPC."""
654 # Generate a "stub function" on-the-fly which will actually make
655 # the request.
656 # gRPC handles serialization and deserialization, so we just need
657 # to pass in the functions for each.
658 if "cancel_operation" not in self._stubs:
659 self._stubs["cancel_operation"] = self._logged_channel.unary_unary(
660 "/google.longrunning.Operations/CancelOperation",
661 request_serializer=operations_pb2.CancelOperationRequest.SerializeToString,
662 response_deserializer=None,
663 )
664 return self._stubs["cancel_operation"]
665
666 @property
667 def get_operation(
668 self,
669 ) -> Callable[[operations_pb2.GetOperationRequest], operations_pb2.Operation]:
670 r"""Return a callable for the get_operation method over gRPC."""
671 # Generate a "stub function" on-the-fly which will actually make
672 # the request.
673 # gRPC handles serialization and deserialization, so we just need
674 # to pass in the functions for each.
675 if "get_operation" not in self._stubs:
676 self._stubs["get_operation"] = self._logged_channel.unary_unary(
677 "/google.longrunning.Operations/GetOperation",
678 request_serializer=operations_pb2.GetOperationRequest.SerializeToString,
679 response_deserializer=operations_pb2.Operation.FromString,
680 )
681 return self._stubs["get_operation"]
682
683 @property
684 def list_operations(
685 self,
686 ) -> Callable[
687 [operations_pb2.ListOperationsRequest], operations_pb2.ListOperationsResponse
688 ]:
689 r"""Return a callable for the list_operations method over gRPC."""
690 # Generate a "stub function" on-the-fly which will actually make
691 # the request.
692 # gRPC handles serialization and deserialization, so we just need
693 # to pass in the functions for each.
694 if "list_operations" not in self._stubs:
695 self._stubs["list_operations"] = self._logged_channel.unary_unary(
696 "/google.longrunning.Operations/ListOperations",
697 request_serializer=operations_pb2.ListOperationsRequest.SerializeToString,
698 response_deserializer=operations_pb2.ListOperationsResponse.FromString,
699 )
700 return self._stubs["list_operations"]
701
702
703__all__ = ("LoggingServiceV2GrpcAsyncIOTransport",)