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 abc
17from typing import Awaitable, Callable, Dict, Optional, Sequence, Union
18
19from google.cloud.firestore_v1 import gapic_version as package_version
20
21import google.auth # type: ignore
22import google.api_core
23from google.api_core import exceptions as core_exceptions
24from google.api_core import gapic_v1
25from google.api_core import retry as retries
26from google.auth import credentials as ga_credentials # type: ignore
27from google.oauth2 import service_account # type: ignore
28import google.protobuf
29
30from google.cloud.firestore_v1.types import document
31from google.cloud.firestore_v1.types import document as gf_document
32from google.cloud.firestore_v1.types import firestore
33from google.cloud.location import locations_pb2 # type: ignore
34from google.longrunning import operations_pb2 # type: ignore
35from google.protobuf import empty_pb2 # type: ignore
36
37DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
38 gapic_version=package_version.__version__
39)
40
41if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"): # pragma: NO COVER
42 DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
43
44
45class FirestoreTransport(abc.ABC):
46 """Abstract transport class for Firestore."""
47
48 AUTH_SCOPES = (
49 "https://www.googleapis.com/auth/cloud-platform",
50 "https://www.googleapis.com/auth/datastore",
51 )
52
53 DEFAULT_HOST: str = "firestore.googleapis.com"
54
55 def __init__(
56 self,
57 *,
58 host: str = DEFAULT_HOST,
59 credentials: Optional[ga_credentials.Credentials] = None,
60 credentials_file: Optional[str] = None,
61 scopes: Optional[Sequence[str]] = None,
62 quota_project_id: Optional[str] = None,
63 client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
64 always_use_jwt_access: Optional[bool] = False,
65 api_audience: Optional[str] = None,
66 **kwargs,
67 ) -> None:
68 """Instantiate the transport.
69
70 Args:
71 host (Optional[str]):
72 The hostname to connect to (default: 'firestore.googleapis.com').
73 credentials (Optional[google.auth.credentials.Credentials]): The
74 authorization credentials to attach to requests. These
75 credentials identify the application to the service; if none
76 are specified, the client will attempt to ascertain the
77 credentials from the environment.
78 credentials_file (Optional[str]): A file with credentials that can
79 be loaded with :func:`google.auth.load_credentials_from_file`.
80 This argument is mutually exclusive with credentials.
81 scopes (Optional[Sequence[str]]): A list of scopes.
82 quota_project_id (Optional[str]): An optional project to use for billing
83 and quota.
84 client_info (google.api_core.gapic_v1.client_info.ClientInfo):
85 The client info used to send a user-agent string along with
86 API requests. If ``None``, then default info will be used.
87 Generally, you only need to set this if you're developing
88 your own client library.
89 always_use_jwt_access (Optional[bool]): Whether self signed JWT should
90 be used for service account credentials.
91 """
92
93 scopes_kwargs = {"scopes": scopes, "default_scopes": self.AUTH_SCOPES}
94
95 # Save the scopes.
96 self._scopes = scopes
97 if not hasattr(self, "_ignore_credentials"):
98 self._ignore_credentials: bool = False
99
100 # If no credentials are provided, then determine the appropriate
101 # defaults.
102 if credentials and credentials_file:
103 raise core_exceptions.DuplicateCredentialArgs(
104 "'credentials_file' and 'credentials' are mutually exclusive"
105 )
106
107 if credentials_file is not None:
108 credentials, _ = google.auth.load_credentials_from_file(
109 credentials_file, **scopes_kwargs, quota_project_id=quota_project_id
110 )
111 elif credentials is None and not self._ignore_credentials:
112 credentials, _ = google.auth.default(
113 **scopes_kwargs, quota_project_id=quota_project_id
114 )
115 # Don't apply audience if the credentials file passed from user.
116 if hasattr(credentials, "with_gdch_audience"):
117 credentials = credentials.with_gdch_audience(
118 api_audience if api_audience else host
119 )
120
121 # If the credentials are service account credentials, then always try to use self signed JWT.
122 if (
123 always_use_jwt_access
124 and isinstance(credentials, service_account.Credentials)
125 and hasattr(service_account.Credentials, "with_always_use_jwt_access")
126 ):
127 credentials = credentials.with_always_use_jwt_access(True)
128
129 # Save the credentials.
130 self._credentials = credentials
131
132 # Save the hostname. Default to port 443 (HTTPS) if none is specified.
133 if ":" not in host:
134 host += ":443"
135 self._host = host
136
137 @property
138 def host(self):
139 return self._host
140
141 def _prep_wrapped_messages(self, client_info):
142 # Precompute the wrapped methods.
143 self._wrapped_methods = {
144 self.get_document: gapic_v1.method.wrap_method(
145 self.get_document,
146 default_retry=retries.Retry(
147 initial=0.1,
148 maximum=60.0,
149 multiplier=1.3,
150 predicate=retries.if_exception_type(
151 core_exceptions.DeadlineExceeded,
152 core_exceptions.InternalServerError,
153 core_exceptions.ResourceExhausted,
154 core_exceptions.ServiceUnavailable,
155 ),
156 deadline=60.0,
157 ),
158 default_timeout=60.0,
159 client_info=client_info,
160 ),
161 self.list_documents: gapic_v1.method.wrap_method(
162 self.list_documents,
163 default_retry=retries.Retry(
164 initial=0.1,
165 maximum=60.0,
166 multiplier=1.3,
167 predicate=retries.if_exception_type(
168 core_exceptions.DeadlineExceeded,
169 core_exceptions.InternalServerError,
170 core_exceptions.ResourceExhausted,
171 core_exceptions.ServiceUnavailable,
172 ),
173 deadline=60.0,
174 ),
175 default_timeout=60.0,
176 client_info=client_info,
177 ),
178 self.update_document: gapic_v1.method.wrap_method(
179 self.update_document,
180 default_retry=retries.Retry(
181 initial=0.1,
182 maximum=60.0,
183 multiplier=1.3,
184 predicate=retries.if_exception_type(
185 core_exceptions.ResourceExhausted,
186 core_exceptions.ServiceUnavailable,
187 ),
188 deadline=60.0,
189 ),
190 default_timeout=60.0,
191 client_info=client_info,
192 ),
193 self.delete_document: gapic_v1.method.wrap_method(
194 self.delete_document,
195 default_retry=retries.Retry(
196 initial=0.1,
197 maximum=60.0,
198 multiplier=1.3,
199 predicate=retries.if_exception_type(
200 core_exceptions.DeadlineExceeded,
201 core_exceptions.InternalServerError,
202 core_exceptions.ResourceExhausted,
203 core_exceptions.ServiceUnavailable,
204 ),
205 deadline=60.0,
206 ),
207 default_timeout=60.0,
208 client_info=client_info,
209 ),
210 self.batch_get_documents: gapic_v1.method.wrap_method(
211 self.batch_get_documents,
212 default_retry=retries.Retry(
213 initial=0.1,
214 maximum=60.0,
215 multiplier=1.3,
216 predicate=retries.if_exception_type(
217 core_exceptions.DeadlineExceeded,
218 core_exceptions.InternalServerError,
219 core_exceptions.ResourceExhausted,
220 core_exceptions.ServiceUnavailable,
221 ),
222 deadline=300.0,
223 ),
224 default_timeout=300.0,
225 client_info=client_info,
226 ),
227 self.begin_transaction: gapic_v1.method.wrap_method(
228 self.begin_transaction,
229 default_retry=retries.Retry(
230 initial=0.1,
231 maximum=60.0,
232 multiplier=1.3,
233 predicate=retries.if_exception_type(
234 core_exceptions.DeadlineExceeded,
235 core_exceptions.InternalServerError,
236 core_exceptions.ResourceExhausted,
237 core_exceptions.ServiceUnavailable,
238 ),
239 deadline=60.0,
240 ),
241 default_timeout=60.0,
242 client_info=client_info,
243 ),
244 self.commit: gapic_v1.method.wrap_method(
245 self.commit,
246 default_retry=retries.Retry(
247 initial=0.1,
248 maximum=60.0,
249 multiplier=1.3,
250 predicate=retries.if_exception_type(
251 core_exceptions.ResourceExhausted,
252 core_exceptions.ServiceUnavailable,
253 ),
254 deadline=60.0,
255 ),
256 default_timeout=60.0,
257 client_info=client_info,
258 ),
259 self.rollback: gapic_v1.method.wrap_method(
260 self.rollback,
261 default_retry=retries.Retry(
262 initial=0.1,
263 maximum=60.0,
264 multiplier=1.3,
265 predicate=retries.if_exception_type(
266 core_exceptions.DeadlineExceeded,
267 core_exceptions.InternalServerError,
268 core_exceptions.ResourceExhausted,
269 core_exceptions.ServiceUnavailable,
270 ),
271 deadline=60.0,
272 ),
273 default_timeout=60.0,
274 client_info=client_info,
275 ),
276 self.run_query: gapic_v1.method.wrap_method(
277 self.run_query,
278 default_retry=retries.Retry(
279 initial=0.1,
280 maximum=60.0,
281 multiplier=1.3,
282 predicate=retries.if_exception_type(
283 core_exceptions.DeadlineExceeded,
284 core_exceptions.InternalServerError,
285 core_exceptions.ResourceExhausted,
286 core_exceptions.ServiceUnavailable,
287 ),
288 deadline=300.0,
289 ),
290 default_timeout=300.0,
291 client_info=client_info,
292 ),
293 self.run_aggregation_query: gapic_v1.method.wrap_method(
294 self.run_aggregation_query,
295 default_retry=retries.Retry(
296 initial=0.1,
297 maximum=60.0,
298 multiplier=1.3,
299 predicate=retries.if_exception_type(
300 core_exceptions.DeadlineExceeded,
301 core_exceptions.InternalServerError,
302 core_exceptions.ResourceExhausted,
303 core_exceptions.ServiceUnavailable,
304 ),
305 deadline=300.0,
306 ),
307 default_timeout=300.0,
308 client_info=client_info,
309 ),
310 self.partition_query: gapic_v1.method.wrap_method(
311 self.partition_query,
312 default_retry=retries.Retry(
313 initial=0.1,
314 maximum=60.0,
315 multiplier=1.3,
316 predicate=retries.if_exception_type(
317 core_exceptions.DeadlineExceeded,
318 core_exceptions.InternalServerError,
319 core_exceptions.ResourceExhausted,
320 core_exceptions.ServiceUnavailable,
321 ),
322 deadline=300.0,
323 ),
324 default_timeout=300.0,
325 client_info=client_info,
326 ),
327 self.write: gapic_v1.method.wrap_method(
328 self.write,
329 default_timeout=86400.0,
330 client_info=client_info,
331 ),
332 self.listen: gapic_v1.method.wrap_method(
333 self.listen,
334 default_retry=retries.Retry(
335 initial=0.1,
336 maximum=60.0,
337 multiplier=1.3,
338 predicate=retries.if_exception_type(
339 core_exceptions.DeadlineExceeded,
340 core_exceptions.InternalServerError,
341 core_exceptions.ResourceExhausted,
342 core_exceptions.ServiceUnavailable,
343 ),
344 deadline=86400.0,
345 ),
346 default_timeout=86400.0,
347 client_info=client_info,
348 ),
349 self.list_collection_ids: gapic_v1.method.wrap_method(
350 self.list_collection_ids,
351 default_retry=retries.Retry(
352 initial=0.1,
353 maximum=60.0,
354 multiplier=1.3,
355 predicate=retries.if_exception_type(
356 core_exceptions.DeadlineExceeded,
357 core_exceptions.InternalServerError,
358 core_exceptions.ResourceExhausted,
359 core_exceptions.ServiceUnavailable,
360 ),
361 deadline=60.0,
362 ),
363 default_timeout=60.0,
364 client_info=client_info,
365 ),
366 self.batch_write: gapic_v1.method.wrap_method(
367 self.batch_write,
368 default_retry=retries.Retry(
369 initial=0.1,
370 maximum=60.0,
371 multiplier=1.3,
372 predicate=retries.if_exception_type(
373 core_exceptions.Aborted,
374 core_exceptions.ResourceExhausted,
375 core_exceptions.ServiceUnavailable,
376 ),
377 deadline=60.0,
378 ),
379 default_timeout=60.0,
380 client_info=client_info,
381 ),
382 self.create_document: gapic_v1.method.wrap_method(
383 self.create_document,
384 default_retry=retries.Retry(
385 initial=0.1,
386 maximum=60.0,
387 multiplier=1.3,
388 predicate=retries.if_exception_type(
389 core_exceptions.ResourceExhausted,
390 core_exceptions.ServiceUnavailable,
391 ),
392 deadline=60.0,
393 ),
394 default_timeout=60.0,
395 client_info=client_info,
396 ),
397 self.cancel_operation: gapic_v1.method.wrap_method(
398 self.cancel_operation,
399 default_timeout=None,
400 client_info=client_info,
401 ),
402 self.delete_operation: gapic_v1.method.wrap_method(
403 self.delete_operation,
404 default_timeout=None,
405 client_info=client_info,
406 ),
407 self.get_operation: gapic_v1.method.wrap_method(
408 self.get_operation,
409 default_timeout=None,
410 client_info=client_info,
411 ),
412 self.list_operations: gapic_v1.method.wrap_method(
413 self.list_operations,
414 default_timeout=None,
415 client_info=client_info,
416 ),
417 }
418
419 def close(self):
420 """Closes resources associated with the transport.
421
422 .. warning::
423 Only call this method if the transport is NOT shared
424 with other clients - this may cause errors in other clients!
425 """
426 raise NotImplementedError()
427
428 @property
429 def get_document(
430 self,
431 ) -> Callable[
432 [firestore.GetDocumentRequest],
433 Union[document.Document, Awaitable[document.Document]],
434 ]:
435 raise NotImplementedError()
436
437 @property
438 def list_documents(
439 self,
440 ) -> Callable[
441 [firestore.ListDocumentsRequest],
442 Union[
443 firestore.ListDocumentsResponse, Awaitable[firestore.ListDocumentsResponse]
444 ],
445 ]:
446 raise NotImplementedError()
447
448 @property
449 def update_document(
450 self,
451 ) -> Callable[
452 [firestore.UpdateDocumentRequest],
453 Union[gf_document.Document, Awaitable[gf_document.Document]],
454 ]:
455 raise NotImplementedError()
456
457 @property
458 def delete_document(
459 self,
460 ) -> Callable[
461 [firestore.DeleteDocumentRequest],
462 Union[empty_pb2.Empty, Awaitable[empty_pb2.Empty]],
463 ]:
464 raise NotImplementedError()
465
466 @property
467 def batch_get_documents(
468 self,
469 ) -> Callable[
470 [firestore.BatchGetDocumentsRequest],
471 Union[
472 firestore.BatchGetDocumentsResponse,
473 Awaitable[firestore.BatchGetDocumentsResponse],
474 ],
475 ]:
476 raise NotImplementedError()
477
478 @property
479 def begin_transaction(
480 self,
481 ) -> Callable[
482 [firestore.BeginTransactionRequest],
483 Union[
484 firestore.BeginTransactionResponse,
485 Awaitable[firestore.BeginTransactionResponse],
486 ],
487 ]:
488 raise NotImplementedError()
489
490 @property
491 def commit(
492 self,
493 ) -> Callable[
494 [firestore.CommitRequest],
495 Union[firestore.CommitResponse, Awaitable[firestore.CommitResponse]],
496 ]:
497 raise NotImplementedError()
498
499 @property
500 def rollback(
501 self,
502 ) -> Callable[
503 [firestore.RollbackRequest], Union[empty_pb2.Empty, Awaitable[empty_pb2.Empty]]
504 ]:
505 raise NotImplementedError()
506
507 @property
508 def run_query(
509 self,
510 ) -> Callable[
511 [firestore.RunQueryRequest],
512 Union[firestore.RunQueryResponse, Awaitable[firestore.RunQueryResponse]],
513 ]:
514 raise NotImplementedError()
515
516 @property
517 def run_aggregation_query(
518 self,
519 ) -> Callable[
520 [firestore.RunAggregationQueryRequest],
521 Union[
522 firestore.RunAggregationQueryResponse,
523 Awaitable[firestore.RunAggregationQueryResponse],
524 ],
525 ]:
526 raise NotImplementedError()
527
528 @property
529 def partition_query(
530 self,
531 ) -> Callable[
532 [firestore.PartitionQueryRequest],
533 Union[
534 firestore.PartitionQueryResponse,
535 Awaitable[firestore.PartitionQueryResponse],
536 ],
537 ]:
538 raise NotImplementedError()
539
540 @property
541 def write(
542 self,
543 ) -> Callable[
544 [firestore.WriteRequest],
545 Union[firestore.WriteResponse, Awaitable[firestore.WriteResponse]],
546 ]:
547 raise NotImplementedError()
548
549 @property
550 def listen(
551 self,
552 ) -> Callable[
553 [firestore.ListenRequest],
554 Union[firestore.ListenResponse, Awaitable[firestore.ListenResponse]],
555 ]:
556 raise NotImplementedError()
557
558 @property
559 def list_collection_ids(
560 self,
561 ) -> Callable[
562 [firestore.ListCollectionIdsRequest],
563 Union[
564 firestore.ListCollectionIdsResponse,
565 Awaitable[firestore.ListCollectionIdsResponse],
566 ],
567 ]:
568 raise NotImplementedError()
569
570 @property
571 def batch_write(
572 self,
573 ) -> Callable[
574 [firestore.BatchWriteRequest],
575 Union[firestore.BatchWriteResponse, Awaitable[firestore.BatchWriteResponse]],
576 ]:
577 raise NotImplementedError()
578
579 @property
580 def create_document(
581 self,
582 ) -> Callable[
583 [firestore.CreateDocumentRequest],
584 Union[document.Document, Awaitable[document.Document]],
585 ]:
586 raise NotImplementedError()
587
588 @property
589 def list_operations(
590 self,
591 ) -> Callable[
592 [operations_pb2.ListOperationsRequest],
593 Union[
594 operations_pb2.ListOperationsResponse,
595 Awaitable[operations_pb2.ListOperationsResponse],
596 ],
597 ]:
598 raise NotImplementedError()
599
600 @property
601 def get_operation(
602 self,
603 ) -> Callable[
604 [operations_pb2.GetOperationRequest],
605 Union[operations_pb2.Operation, Awaitable[operations_pb2.Operation]],
606 ]:
607 raise NotImplementedError()
608
609 @property
610 def cancel_operation(
611 self,
612 ) -> Callable[[operations_pb2.CancelOperationRequest], None,]:
613 raise NotImplementedError()
614
615 @property
616 def delete_operation(
617 self,
618 ) -> Callable[[operations_pb2.DeleteOperationRequest], None,]:
619 raise NotImplementedError()
620
621 @property
622 def kind(self) -> str:
623 raise NotImplementedError()
624
625
626__all__ = ("FirestoreTransport",)