langchain.document_loaders.pdf.BasePDFLoader

class langchain.document_loaders.pdf.BasePDFLoader(file_path: str, *, headers: Optional[Dict] = None)[source]

Base Loader class for PDF files.

If the file is a web path, it will download it to a temporary file, use it, then

clean up the temporary file after completion.

Initialize with a file path.

Parameters
  • file_path – Either a local, S3 or web path to a PDF file.

  • headers – Headers to use for GET request to download a file from a web path.

Attributes

source

Methods

__init__(file_path, *[, headers])

Initialize with a file path.

lazy_load()

A lazy loader for Documents.

load()

Load data into Document objects.

load_and_split([text_splitter])

Load Documents and split into chunks.

__init__(file_path: str, *, headers: Optional[Dict] = None)[source]

Initialize with a file path.

Parameters
  • file_path – Either a local, S3 or web path to a PDF file.

  • headers – Headers to use for GET request to download a file from a web path.

lazy_load() Iterator[Document]

A lazy loader for Documents.

abstract load() List[Document]

Load data into Document objects.

load_and_split(text_splitter: Optional[TextSplitter] = None) List[Document]

Load Documents and split into chunks. Chunks are returned as Documents.

Parameters

text_splitter – TextSplitter instance to use for splitting documents. Defaults to RecursiveCharacterTextSplitter.

Returns

List of Documents.