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id: pdf
title: PDF Finder & Downloader
author: admin
description: Find PDF links on a page and download to /data/adaptai/web/pdf.
version: 0.1.0
license: Proprietary
"""
import re
import os
import urllib.request
import urllib.parse
import hashlib
PDF_DIR = "/data/adaptai/web/pdf"
os.makedirs(PDF_DIR, exist_ok=True)
class Tools:
def find_and_download(self, url: str, max_pdfs: int = 5) -> dict:
html = (
urllib.request.urlopen(url, timeout=20)
.read()
.decode("utf-8", errors="replace")
)
base = url
links = []
for href in re.findall(r'href="([^"]+\.pdf)"', html, flags=re.I):
full = urllib.parse.urljoin(base, href)
links.append(full)
if len(links) >= max_pdfs:
break
saved = []
for link in links:
try:
data = urllib.request.urlopen(link, timeout=30).read()
h = hashlib.sha1(link.encode()).hexdigest()[:12]
path = f"{PDF_DIR}/{h}.pdf"
open(path, "wb").write(data)
saved.append({"url": link, "file": path})
except Exception:
continue
return {"found": len(links), "saved": saved}
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