44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
import os
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from io import BytesIO
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import sys, os
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import fitz
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sys.path.append(os.path.dirname(os.path.abspath(__file__)))
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from chunkers.chunkers import chunk_data
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from llama_hub.file.base import SimpleDirectoryReader
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from langchain.document_loaders import PyPDFLoader
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import requests
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def _document_loader( observation: str, loader_settings: dict):
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# Check the format of the document
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document_format = loader_settings.get("format", "text")
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loader_strategy = loader_settings.get("strategy", "VANILLA")
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chunk_size = loader_settings.get("chunk_size", 100)
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chunk_overlap = loader_settings.get("chunk_overlap", 20)
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if document_format == "PDF":
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if loader_settings.get("source") == "url":
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pdf_response = requests.get(loader_settings["path"])
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pdf_stream = BytesIO(pdf_response.content)
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with fitz.open(stream=pdf_stream, filetype='pdf') as doc:
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file_content = ""
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for page in doc:
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file_content += page.get_text()
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pages = chunk_data(chunk_strategy= loader_strategy, source_data=file_content, chunk_size=chunk_size, chunk_overlap=chunk_overlap)
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return pages
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elif loader_settings.get("source") == "file":
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loader = SimpleDirectoryReader('./data', recursive=True, exclude_hidden=True)
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documents = loader.load_data()
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pages = documents.load_and_split()
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return pages
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elif document_format == "text":
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pages = chunk_data(chunk_strategy= loader_strategy, source_data=observation, chunk_size=chunk_size, chunk_overlap=chunk_overlap)
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return pages
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else:
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raise ValueError(f"Unsupported document format: {document_format}")
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