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# 02_data_organization.py
import streamlit as st
from langchain_community.document_loaders import AsyncHtmlLoader
from langchain.schema import Document
import json
from typing import Iterable
import asyncio
from urllib.parse import urlparse
# Async fetch function
async def fetch_documents(urls):
loader = AsyncHtmlLoader(urls)
docs = await loader.aload()
return docs
def save_docs_to_jsonl(array: Iterable[Document], file_path: str) -> None:
with open(file_path, 'w') as jsonl_file:
for doc in array:
if hasattr(doc, 'to_dict'):
jsonl_file.write(json.dumps(doc.to_dict()) + '\n')
else:
jsonl_file.write(json.dumps(doc.__dict__) + '\n')
def load_docs_from_jsonl(file_path) -> Iterable[Document]:
array = []
with open(file_path, 'r') as jsonl_file:
for line in jsonl_file:
data = json.loads(line)
obj = Document(**data)
array.append(obj)
return array
def is_valid_url(url):
try:
result = urlparse(url)
return all([result.scheme, result.netloc])
except ValueError:
return False
def fetch_clean_organize_page():
st.title("Fetch, Clean, and Organize Documents")
# Check if 'data' exists in the session state
if 'data' not in st.session_state:
st.warning("No data found. Please go back to the previous page and scan URLs first.")
return
data = st.session_state['data']
st.write("URLs to fetch and clean:")
st.write(data)
# Filter out URLs marked as "Ignore" and invalid URLs
valid_urls = data[(data['Ignore'] == False) & (data['URL'].apply(is_valid_url))]['URL'].tolist()
if st.button("Fetch Documents"):
docs = asyncio.run(fetch_documents(valid_urls))
st.session_state['docs'] = docs
st.write(f"Fetched {len(st.session_state['docs'])} documents.")
if 'docs' in st.session_state:
if st.button("Save Documents as JSON"):
save_docs_to_jsonl(st.session_state['docs'], "documents.jsonl")
st.success("Documents saved as JSON.")
# Provide download link (streamlit >= 0.88.0)
with open("documents.jsonl", "rb") as file:
btn = st.download_button(
label="Download JSON",
data=file,
file_name="documents.jsonl",
mime="application/octet-stream"
)
# Assuming this function is called in your app
fetch_clean_organize_page() |