mirror of
https://github.com/arc53/DocsGPT
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36 lines
1003 B
Python
36 lines
1003 B
Python
"""Base schema for readers."""
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from dataclasses import dataclass
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from langchain.docstore.document import Document as LCDocument
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from parser.schema.schema import BaseDocument
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@dataclass
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class Document(BaseDocument):
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"""Generic interface for a data document.
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This document connects to data sources.
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"""
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def __post_init__(self) -> None:
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"""Post init."""
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if self.text is None:
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raise ValueError("text field not set.")
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@classmethod
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def get_type(cls) -> str:
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"""Get Document type."""
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return "Document"
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def to_langchain_format(self) -> LCDocument:
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"""Convert struct to LangChain document format."""
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metadata = self.extra_info or {}
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return LCDocument(page_content=self.text, metadata=metadata)
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@classmethod
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def from_langchain_format(cls, doc: LCDocument) -> "Document":
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"""Convert struct from LangChain document format."""
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return cls(text=doc.page_content, extra_info=doc.metadata)
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