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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2023 Ant Group CO., Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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# in compliance with the License. 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 distributed under the License
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# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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# or implied.
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from typing import TypeVar, Sequence, Type
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from pydantic import BaseConfig, BaseModel
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Other = TypeVar("Other")
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Input = TypeVar("Input", contravariant=True)
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Output = TypeVar("Output", covariant=True)
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class Runnable(BaseModel):
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_last: bool = False
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@property
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def input_types(self) -> Type[Input]:
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return
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@property
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def output_types(self) -> Type[Output]:
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return
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def invoke(self, input: Input) -> Sequence[Output]:
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raise NotImplementedError(f"`invoke` is not currently supported for {self.__class__.__name__}.")
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def __rshift__(self, other: Other):
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raise NotImplementedError("To be implemented in subclass")
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class Config(BaseConfig):
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arbitrary_types_allowed = True
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