45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
# Copyright (c) 2025 Patrick Motsch
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# All rights reserved.
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from typing import Any, Dict, List
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from modules.datamodels.datamodelExtraction import ContentPart
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from ..subUtils import makeId
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from ..subRegistry import Extractor
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class CsvExtractor(Extractor):
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"""
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Extractor for CSV files.
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Supported formats:
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- MIME types: text/csv
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- File extensions: .csv
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- Special handling: Treats as table data
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"""
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def detect(self, fileName: str, mimeType: str, headBytes: bytes) -> bool:
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return mimeType == "text/csv" or (fileName or "").lower().endswith(".csv")
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def getSupportedExtensions(self) -> list[str]:
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"""Return list of supported file extensions."""
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return [".csv"]
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def getSupportedMimeTypes(self) -> list[str]:
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"""Return list of supported MIME types."""
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return ["text/csv"]
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def extract(self, fileBytes: bytes, context: Dict[str, Any]) -> List[ContentPart]:
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fileName = context.get("fileName")
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mimeType = context.get("mimeType") or "text/csv"
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data = fileBytes.decode("utf-8", errors="replace")
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return [ContentPart(
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id=makeId(),
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parentId=None,
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label="main",
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typeGroup="table",
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mimeType=mimeType,
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data=data,
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metadata={"size": len(fileBytes)}
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)]
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