mirror of
https://github.com/Mintplex-Labs/langchain-python.git
synced 2026-08-27 01:15:22 -04:00
blob42
54b1645d13
It seems the main element wrapper changed in ReadTheDocs website or for some reason it's different for me ? This adds an extra filter for the main content wrapper if the first one returns no text.  Co-authored-by: blob42 <spike@w530>
67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
"""Loader that loads ReadTheDocs documentation directory dump."""
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from pathlib import Path
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from typing import Any, List, Optional
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from langchain.docstore.document import Document
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from langchain.document_loaders.base import BaseLoader
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class ReadTheDocsLoader(BaseLoader):
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"""Loader that loads ReadTheDocs documentation directory dump."""
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def __init__(
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self,
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path: str,
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encoding: Optional[str] = None,
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errors: Optional[str] = None,
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**kwargs: Optional[Any]
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):
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"""Initialize path."""
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try:
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from bs4 import BeautifulSoup
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except ImportError:
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raise ValueError(
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"Could not import python packages. "
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"Please install it with `pip install beautifulsoup4`. "
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)
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try:
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_ = BeautifulSoup(
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"<html><body>Parser builder library test.</body></html>", **kwargs
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)
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except Exception as e:
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raise ValueError("Parsing kwargs do not appear valid") from e
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self.file_path = path
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self.encoding = encoding
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self.errors = errors
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self.bs_kwargs = kwargs
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def load(self) -> List[Document]:
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"""Load documents."""
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from bs4 import BeautifulSoup
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def _clean_data(data: str) -> str:
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soup = BeautifulSoup(data, **self.bs_kwargs)
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text = soup.find_all("main", {"id": "main-content"})
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if len(text) == 0:
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text = soup.find_all("div", {"role": "main"})
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if len(text) != 0:
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text = text[0].get_text()
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else:
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text = ""
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return "\n".join([t for t in text.split("\n") if t])
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docs = []
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for p in Path(self.file_path).rglob("*"):
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if p.is_dir():
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continue
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with open(p, encoding=self.encoding, errors=self.errors) as f:
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text = _clean_data(f.read())
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metadata = {"source": str(p)}
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docs.append(Document(page_content=text, metadata=metadata))
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return docs
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