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import fitz
from bs4 import BeautifulSoup
import aiohttp
from pathlib import Path
from typing import Optional
class DocumentProcessor:
@staticmethod
async def extract_pdf_text(file_path: Path) -> str:
doc = fitz.open(file_path)
text_parts = []
for page in doc:
text = page.get_text()
text_parts.append(text)
doc.close()
return "\n\n".join(text_parts)
@staticmethod
async def scrape_url(url: str) -> tuple[str, str]:
async with aiohttp.ClientSession() as session:
async with session.get(str(url)) as response:
html = await response.text()
soup = BeautifulSoup(html, 'html.parser')
for script in soup(["script", "style", "nav", "footer", "header"]):
script.decompose()
title = soup.find('title')
title_text = title.get_text().strip() if title else "Web Document"
text = soup.get_text(separator='\n', strip=True)
lines = [line.strip() for line in text.splitlines() if line.strip()]
cleaned_text = '\n'.join(lines)
return title_text, cleaned_text
@staticmethod
def validate_file_type(filename: str, allowed_extensions: set = {'.pdf'}) -> bool:
return Path(filename).suffix.lower() in allowed_extensions
@staticmethod
def clean_text(text: str) -> str:
lines = text.split('\n')
cleaned_lines = []
for line in lines:
line = line.strip()
if len(line) > 0:
cleaned_lines.append(line)
return '\n'.join(cleaned_lines)
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