96 lines
2.7 KiB
Python
96 lines
2.7 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 (
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TYPE_CHECKING,
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Any,
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Callable,
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Iterable,
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Iterator,
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Optional,
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Sequence,
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Tuple,
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TypeVar,
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Union,
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)
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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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[
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int,
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bytes,
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None,
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Optional[float],
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Optional[MetadataType],
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Optional[cygrpc.CallCredentials],
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Sequence[Sequence[cygrpc.Operation]],
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UserTag,
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Any,
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],
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cygrpc.IntegratedCall,
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]
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ServerTagCallbackType = Tuple[
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Optional["_RPCState"], Sequence[NullaryCallbackType]
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]
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ServerCallbackTag = Callable[[cygrpc.BaseEvent], ServerTagCallbackType]
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ArityAgnosticMethodHandler = Union[
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Callable[
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[RequestType, "ServicerContext", Callable[[ResponseType], None]],
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ResponseType,
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],
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Callable[
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[RequestType, "ServicerContext", Callable[[ResponseType], None]],
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Iterator[ResponseType],
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],
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Callable[
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[
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Iterator[RequestType],
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"ServicerContext",
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Callable[[ResponseType], None],
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],
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ResponseType,
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],
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Callable[
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[
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Iterator[RequestType],
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"ServicerContext",
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Callable[[ResponseType], None],
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],
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Iterator[ResponseType],
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],
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Callable[[RequestType, "ServicerContext"], ResponseType],
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Callable[[RequestType, "ServicerContext"], Iterator[ResponseType]],
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Callable[[Iterator[RequestType], "ServicerContext"], ResponseType],
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Callable[
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[Iterator[RequestType], "ServicerContext"], Iterator[ResponseType]
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],
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]
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