Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/grpc/aio/_typing.py: 95%

1# Copyright 2019 The gRPC Authors 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14"""Common types for gRPC Async API""" 

15 

16from typing import ( 

17 Any, 

18 AsyncIterable, 

19 Callable, 

20 Iterable, 

21 Sequence, 

22 Tuple, 

23 TypeAlias, 

24 TypeVar, 

25 Union, 

26) 

27 

28from grpc._cython.cygrpc import _EOF 

29 

30# pylint: disable=unused-import 

31from ._metadata import Metadata 

32from ._metadata import MetadataKey 

33from ._metadata import MetadataType 

34from ._metadata import MetadataValue 

35from ._metadata import MetadatumType 

36 

37# pylint: enable=unused-import 

38 

39RequestType = TypeVar("RequestType") 

40ResponseType = TypeVar("ResponseType") 

41 

42SerializerInputType_contra = TypeVar( 

43 "SerializerInputType_contra", contravariant=True 

44) 

45DeserializerOutputType_co = TypeVar("DeserializerOutputType_co", covariant=True) 

46SerializingFunction = Callable[[SerializerInputType_contra], bytes] 

47DeserializingFunction = Callable[[bytes], DeserializerOutputType_co] 

48 

49ChannelArgumentType = Sequence[Tuple[str, Any]] 

50EOFType: TypeAlias = _EOF 

51DoneCallbackType = Callable[[Any], None] 

52RequestIterableType = Union[Iterable[RequestType], AsyncIterable[RequestType]] 

53ResponseIterableType = AsyncIterable[ResponseType]