forked from Archives/langchain
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""Loader that uses bs4 to load HTML files, enriching metadata with page title."""
|
|
|
|
import logging
|
|
from typing import Dict, List, Union
|
|
|
|
from langchain.docstore.document import Document
|
|
from langchain.document_loaders.base import BaseLoader
|
|
|
|
logger = logging.getLogger(__file__)
|
|
|
|
|
|
class BSHTMLLoader(BaseLoader):
|
|
"""Loader that uses beautiful soup to parse HTML files."""
|
|
|
|
def __init__(self, file_path: str) -> None:
|
|
try:
|
|
import bs4 # noqa:F401
|
|
except ImportError:
|
|
raise ValueError(
|
|
"bs4 package not found, please install it with " "`pip install bs4`"
|
|
)
|
|
|
|
self.file_path = file_path
|
|
|
|
def load(self) -> List[Document]:
|
|
from bs4 import BeautifulSoup
|
|
|
|
"""Load HTML document into document objects."""
|
|
with open(self.file_path, "r") as f:
|
|
soup = BeautifulSoup(f, features="lxml")
|
|
|
|
text = soup.get_text()
|
|
|
|
if soup.title:
|
|
title = str(soup.title.string)
|
|
else:
|
|
title = ""
|
|
|
|
metadata: Dict[str, Union[str, None]] = {
|
|
"source": self.file_path,
|
|
"title": title,
|
|
}
|
|
return [Document(page_content=text, metadata=metadata)]
|