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"""
id: scraper
title: HTML Scraper
author: admin
description: Extract title, text, and links from an HTML page; accepts url or raw html.
version: 0.1.0
license: Proprietary
"""
import re
import html
try:
from bs4 import BeautifulSoup # optional
except Exception:
BeautifulSoup = None
class Tools:
def extract(self, html_text: str = "", url: str = "") -> dict:
text = html_text
if not text and url:
import urllib.request
text = (
urllib.request.urlopen(url, timeout=20)
.read()
.decode("utf-8", errors="replace")
)
if not text:
return {"error": "no html or url provided"}
if BeautifulSoup:
soup = BeautifulSoup(text, "html.parser")
title = (
soup.title.string.strip() if soup.title and soup.title.string else ""
)
body = soup.get_text(" ", strip=True)
links = []
for a in soup.find_all("a", href=True):
href = urllib.parse.urljoin(url, a["href"]) if url else a["href"]
links.append({"href": href, "text": a.get_text(strip=True)})
return {"title": title, "text": body[:20000], "links": links[:200]}
# fallback regex-based
title = ""
m = re.search(r"<title[^>]*>(.*?)</title>", text, re.I | re.S)
if m:
title = html.unescape(re.sub("<[^<]+?>", "", m.group(1))).strip()
body = re.sub(
"<script[\s\S]*?</script>|<style[\s\S]*?</style>", "", text, flags=re.I
)
body = re.sub("<[^<]+?>", " ", body)
body = re.sub("\s+", " ", body).strip()
links = [
{"href": html.unescape(h)} for h in re.findall(r'href="([^"]+)"', text)
][:200]
return {"title": title, "text": body[:20000], "links": links}
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