mirror of
https://github.com/Mintplex-Labs/langchain-python.git
synced 2026-07-21 00:35:23 -04:00
Harrison Chase
3e1901e1aa
Co-authored-by: zanderchase <zander@unfold.ag> Co-authored-by: Harrison Chase <harrisonchase@Harrisons-MBP.attlocal.net>
29 lines
979 B
Python
29 lines
979 B
Python
"""Loader that loads .txt web files."""
|
|
from typing import List
|
|
|
|
from langchain.docstore.document import Document
|
|
from langchain.document_loaders.base import BaseLoader
|
|
|
|
|
|
class GutenbergLoader(BaseLoader):
|
|
"""Loader that uses urllib to load .txt web files."""
|
|
|
|
def __init__(self, file_path: str):
|
|
"""Initialize with 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
|
|
|
|
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)]
|