47 lines
1.2 KiB
Python
47 lines
1.2 KiB
Python
# Copyright (c) 2023 - 2025, AG2ai, Inc., AG2ai open-source projects maintainers and core contributors
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Portions derived from https://github.com/https://github.com/Lancetnik/FastDepends are under the MIT License.
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# SPDX-License-Identifier: MIT
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from abc import ABC
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from typing import Any, Dict, Optional, TypeVar
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Cls = TypeVar("Cls", bound="CustomField")
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class CustomField(ABC):
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param_name: Optional[str]
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cast: bool
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required: bool
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__slots__ = (
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"cast",
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"param_name",
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"required",
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"field",
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)
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def __init__(
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self,
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*,
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cast: bool = True,
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required: bool = True,
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) -> None:
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self.cast = cast
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self.param_name = None
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self.required = required
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self.field = False
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def set_param_name(self: Cls, name: str) -> Cls:
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self.param_name = name
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return self
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def use(self, /, **kwargs: Any) -> Dict[str, Any]:
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assert self.param_name, "You should specify `param_name` before using"
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return kwargs
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def use_field(self, kwargs: Dict[str, Any]) -> None:
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raise NotImplementedError("You should implement `use_field` method.")
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