[mod] tpb sort refactor

searx/engines/piratebay.py

 from cgi import escape
 from urllib import quote
 from lxml import html
+from operator import itemgetter
 
 categories = ['videos', 'music']
 
                                       pageno=params['pageno'] - 1)
     return params
 
+
 def response(resp):
     results = []
     dom = html.fromstring(resp.text)
     search_res = dom.xpath('//table[@id="searchResult"]//tr')
+
     if not search_res:
         return results
+
     for result in search_res[1:]:
         link = result.xpath('.//div[@class="detName"]//a')[0]
         href = urljoin(url, link.attrib.get('href'))
         title = ' '.join(link.xpath('.//text()'))
         content = escape(' '.join(result.xpath(content_xpath)))
         seed, leech = result.xpath('.//td[@align="right"]/text()')[:2]
+
+        if seed.isdigit():
+            seed = int(seed)
+        else:
+            seed = 0
+
+        if leech.isdigit():
+            leech = int(leech)
+        else:
+            leech = 0
+
         magnetlink = result.xpath(magnet_xpath)[0]
         results.append({'url': href,
                         'title': title,
                         'leech': leech,
                         'magnetlink': magnetlink.attrib['href'],
                         'template': 'torrent.html'})
-    return sorted(results, key=lambda x: get_int('seed'), reversed=True)
 
-def get_int(field):
-    try:
-        return int(field)
-    except TypeError:
-        return 0
+    return sorted(results, key=itemgetter('seed'), reverse=True)