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Parameters

ParameterTypeDefaultDescription
configPdfLoaderConfigRequiredConfiguration object for PDF loading behavior

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Functions

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__init__

Initializes the PdfLoader with its specific configuration. Parameters:
  • config (PdfLoaderConfig): A PdfLoaderConfig object with settings for PDF processing

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get_supported_extensions

Gets a list of file extensions supported by this loader. Returns:
  • List[str]: List of supported file extensions (.pdf)

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load

Loads all PDF documents from the given source synchronously. Parameters:
  • source (Union[str, Path, List[Union[str, Path]]]): PDF source(s) to load from
Returns:
  • List[Document]: List of loaded documents

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aload

Loads all PDF documents from the given source asynchronously and concurrently. Parameters:
  • source (Union[str, Path, List[Union[str, Path]]]): PDF source(s) to load from
Returns:
  • List[Document]: List of loaded documents

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batch

Loads documents from a list of sources, leveraging the core load method. Parameters:
  • sources (List[Union[str, Path]]): List of PDF sources to load
Returns:
  • List[Document]: List of loaded documents

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abatch

Loads documents from a list of sources asynchronously, leveraging the core aload method. Parameters:
  • sources (List[Union[str, Path]]): List of PDF sources to load
Returns:
  • List[Document]: List of loaded documents

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_process_single_pdf

Processes a single PDF file, consolidating all page content into a single Document. Parameters:
  • path (Path): Path to the PDF file
Returns:
  • List[Document]: List of documents created from the PDF

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_extract_page_content

Extracts content from a single page based on the extraction_mode. Parameters:
  • page (PageObject): PDF page object to extract content from
  • page_num (int): Page number
Returns:
  • Tuple[str, int]: Tuple of extracted content and page number

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_perform_ocr

Performs OCR on all images within a single PDF page. Parameters:
  • page (PageObject): PDF page object to perform OCR on
Returns:
  • str: OCR extracted text

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_run_single_ocr

Helper function that runs the synchronous OCR engine. Parameters:
  • image_data (bytes): Image data to perform OCR on
Returns:
  • str: OCR extracted text

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_normalize_whitespace

Collapses multiple spaces/newlines and trims. Parameters:
  • text (str): Text to normalize
Returns:
  • str: Normalized text

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_clean_page_numbers

Identifies and removes sequential page numbers from the top or bottom of pages. Parameters:
  • page_content_list (List[str]): List of page content strings
Returns:
  • Tuple[List[str], Optional[int]]: Tuple of cleaned page content and best shift value
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