import urllib2 import re _random_url = r'http://www.beautifulphoto.net/plugin/RndArticle/' _img_patt = re.compile(r'<img src="http://www\.beautifulphoto\.net/upload/(\d+)\.jpg" />') def random(timeout=3, more=False):     try:         html = urllib2.urlopen(_random_url, timeout=timeout).read()     except urllib2.URLError, e:         return None     res = re.search(_img_patt, html)     if res:         name = res.group(1)         if more:             return 'http://www.beautifulphoto.net/upload/', '%s_mini.jpg' % name, '%s.jpg' % name         return 'http://www.beautifulphoto.net/upload/%s_mini.jpg' % name     return None if __name__ == '__main__':     url = random()     print(url)     if url:         import webbrowser as wb         wb.open(url)