Source code for langchain_community.document_loaders.gutenberg
from typing import List
from langchain_core.documents import Document
from langchain_community.document_loaders.base import BaseLoader
[docs]class GutenbergLoader(BaseLoader):
"""Load from `Gutenberg.org`."""
[docs] def __init__(self, file_path: str):
"""Initialize with a file path."""
if not file_path.startswith("https://www.gutenberg.org"):
raise ValueError("file path must start with 'https://www.gutenberg.org'")
if not file_path.endswith(".txt"):
raise ValueError("file path must end with '.txt'")
self.file_path = file_path
[docs] def load(self) -> List[Document]:
"""Load file."""
from urllib.request import urlopen
elements = urlopen(self.file_path)
text = "\n\n".join([str(el.decode("utf-8-sig")) for el in elements])
metadata = {"source": self.file_path}
return [Document(page_content=text, metadata=metadata)]