42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
# Copyright (c) Microsoft. All rights reserved.
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from abc import ABC, abstractmethod
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from typing import Annotated, Any, TypeVar
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from pydantic import Field
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from semantic_kernel.kernel_pydantic import KernelBaseModel
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_T = TypeVar("_T", bound="KernelContent")
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class KernelContent(KernelBaseModel, ABC):
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"""Base class for all kernel contents."""
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# NOTE: if you wish to hold on to the inner content, you are responsible
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# for saving it before serializing the content/chat history as it won't be included.
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inner_content: Annotated[Any | None, Field(exclude=True)] = None
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ai_model_id: str | None = None
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metadata: dict[str, Any] = Field(default_factory=dict)
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@abstractmethod
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def __str__(self) -> str:
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"""Return the string representation of the content."""
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pass
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@abstractmethod
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def to_element(self) -> Any:
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"""Convert the instance to an Element."""
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pass
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@classmethod
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@abstractmethod
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def from_element(cls: type[_T], element: Any) -> _T:
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"""Create an instance from an Element."""
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pass
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@abstractmethod
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def to_dict(self) -> dict[str, Any]:
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"""Convert the instance to a dictionary."""
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pass
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