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