3RNN/Lib/site-packages/grpc/_typing.py
2024-05-26 19:49:15 +02:00

96 lines
2.7 KiB
Python

# Copyright 2022 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Common types for gRPC Sync API"""
from typing import (
TYPE_CHECKING,
Any,
Callable,
Iterable,
Iterator,
Optional,
Sequence,
Tuple,
TypeVar,
Union,
)
from grpc._cython import cygrpc
if TYPE_CHECKING:
from grpc import ServicerContext
from grpc._server import _RPCState
RequestType = TypeVar("RequestType")
ResponseType = TypeVar("ResponseType")
SerializingFunction = Callable[[Any], bytes]
DeserializingFunction = Callable[[bytes], Any]
MetadataType = Sequence[Tuple[str, Union[str, bytes]]]
ChannelArgumentType = Tuple[str, Any]
DoneCallbackType = Callable[[Any], None]
NullaryCallbackType = Callable[[], None]
RequestIterableType = Iterable[Any]
ResponseIterableType = Iterable[Any]
UserTag = Callable[[cygrpc.BaseEvent], bool]
IntegratedCallFactory = Callable[
[
int,
bytes,
None,
Optional[float],
Optional[MetadataType],
Optional[cygrpc.CallCredentials],
Sequence[Sequence[cygrpc.Operation]],
UserTag,
Any,
],
cygrpc.IntegratedCall,
]
ServerTagCallbackType = Tuple[
Optional["_RPCState"], Sequence[NullaryCallbackType]
]
ServerCallbackTag = Callable[[cygrpc.BaseEvent], ServerTagCallbackType]
ArityAgnosticMethodHandler = Union[
Callable[
[RequestType, "ServicerContext", Callable[[ResponseType], None]],
ResponseType,
],
Callable[
[RequestType, "ServicerContext", Callable[[ResponseType], None]],
Iterator[ResponseType],
],
Callable[
[
Iterator[RequestType],
"ServicerContext",
Callable[[ResponseType], None],
],
ResponseType,
],
Callable[
[
Iterator[RequestType],
"ServicerContext",
Callable[[ResponseType], None],
],
Iterator[ResponseType],
],
Callable[[RequestType, "ServicerContext"], ResponseType],
Callable[[RequestType, "ServicerContext"], Iterator[ResponseType]],
Callable[[Iterator[RequestType], "ServicerContext"], ResponseType],
Callable[
[Iterator[RequestType], "ServicerContext"], Iterator[ResponseType]
],
]