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