Add Torrentz.eu search engine

searx/engines/nyaa.py

@@ -43,6 +43,19 @@ def int_or_zero(num):
         return int(num)
     return 0
 
+# get multiplier to convert torrent size to bytes
+def get_filesize_mul(suffix):
+    return {
+        'KB': 1024,
+        'MB': 1024 ** 2,
+        'GB': 1024 ** 3,
+        'TB': 1024 ** 4,
+
+        'KIB': 1024,
+        'MIB': 1024 ** 2,
+        'GIB': 1024 ** 3,
+        'TIB': 1024 ** 4
+    }[str(suffix).upper()]
 
 # do search-request
 def request(query, params):
@@ -74,18 +87,7 @@ def response(resp):
         # torrent size
         try:
             file_size, suffix = result.xpath(xpath_filesize)[0].split(' ')
-
-            # convert torrent size to bytes.
-            # if there is no correct index in this dictionary,
-            # the try block fails as it should
-            multiplier = {
-                'KIB': 1024,
-                'MIB': 1024 ** 2,
-                'GIB': 1024 ** 3,
-                'TIB': 1024 ** 4
-            }[suffix.upper()]
-
-            file_size = int(float(file_size) * multiplier)
+            file_size = int(float(file_size) * get_filesize_mul(suffix))
         except Exception as e:
             file_size = None
 

searx/engines/torrentz.py

@@ -0,0 +1,93 @@
+"""
+ Torrentz.eu (BitTorrent meta-search engine)
+
+ @website      https://torrentz.eu/
+ @provide-api  no
+
+ @using-api    no
+ @results      HTML
+ @stable       no (HTML can change, although unlikely,
+                   see https://torrentz.eu/torrentz.btsearch)
+ @parse        url, title, publishedDate, seed, leech, filesize, magnetlink
+"""
+
+import re
+from cgi import escape
+from urllib import urlencode
+from lxml import html
+from searx.engines.xpath import extract_text
+from datetime import datetime
+from searx.engines.nyaa import int_or_zero, get_filesize_mul
+
+# engine dependent config
+categories = ['files', 'videos', 'music']
+paging = True
+
+# search-url
+# https://torrentz.eu/search?f=EXAMPLE&p=6
+base_url = 'https://torrentz.eu/'
+search_url = base_url + 'search?{query}'
+
+
+# do search-request
+def request(query, params):
+    page = params['pageno'] - 1
+    query = urlencode({'q': query, 'p': page})
+    params['url'] = search_url.format(query=query)
+    return params
+
+
+# get response from search-request
+def response(resp):
+    results = []
+
+    dom = html.fromstring(resp.text)
+
+    for result in dom.xpath('//div[@class="results"]/dl'):
+        name_cell = result.xpath('./dt')[0]
+        title = extract_text(name_cell)
+
+        # skip rows that do not contain a link to a torrent
+        links = name_cell.xpath('./a')
+        if len(links) != 1:
+            continue
+
+        # extract url and remove a slash in the beginning
+        link = links[0].attrib.get('href').lstrip('/')
+
+        seed = result.xpath('./dd/span[@class="u"]/text()')[0].replace(',', '')
+        leech = result.xpath('./dd/span[@class="d"]/text()')[0].replace(',', '')
+
+        params = {
+            'url': base_url + link,
+            'title': title,
+            'seed': int_or_zero(seed),
+            'leech': int_or_zero(leech),
+            'template': 'torrent.html'
+        }
+
+        # let's try to calculate the torrent size
+        try:
+            size_str = result.xpath('./dd/span[@class="s"]/text()')[0]
+            size, suffix = size_str.split()
+            params['filesize'] = int(size) * get_filesize_mul(suffix)
+        except Exception as e:
+            pass
+
+        # does our link contain a valid SHA1 sum?
+        if re.compile('[0-9a-fA-F]{40}').match(link):
+            # add a magnet link to the result
+            params['magnetlink'] = 'magnet:?xt=urn:btih:' + link
+
+        # extract and convert creation date
+        try:
+            date_str = result.xpath('./dd/span[@class="a"]/span')[0].attrib.get('title')
+            # Fri, 25 Mar 2016 16:29:01
+            date = datetime.strptime(date_str, '%a, %d %b %Y %H:%M:%S')
+            params['publishedDate'] = date
+        except Exception as e:
+            pass
+
+        results.append(params)
+
+    return results

searx/settings.yml

@@ -271,6 +271,11 @@ engines:
     shortcut : sw
     disabled : True
 
+  - name : torrentz
+    engine : torrentz
+    timeout : 5.0
+    shortcut : to
+
   - name : twitter
     engine : twitter
     shortcut : tw

tests/unit/engines/test_torrentz.py

@@ -0,0 +1,91 @@
+import mock
+from collections import defaultdict
+from searx.engines import torrentz
+from searx.testing import SearxTestCase
+from datetime import datetime
+
+
+class TestTorrentzEngine(SearxTestCase):
+
+    def test_request(self):
+        query = 'test_query'
+        dic = defaultdict(dict)
+        dic['pageno'] = 1
+        params = torrentz.request(query, dic)
+        self.assertTrue('url' in params)
+        self.assertTrue(query in params['url'])
+        self.assertTrue('torrentz.eu' in params['url'])
+
+    def test_response(self):
+        resp = mock.Mock(text='<html></html>')
+        self.assertEqual(torrentz.response(resp), [])
+
+        html = """
+        <div class="results">
+          <dl>
+            <dt>
+              <a href="/4362e08b1d80e1820fb2550b752f9f3126fe76d6">
+                Completely valid info
+              </a>
+              books ebooks
+            </dt>
+            <dd>
+              <span class="v">1</span>
+              <span class="a">
+                <span title="Sun, 22 Nov 2015 03:01:42">4 months</span>
+              </span>
+              <span class="s">30 MB</span>
+              <span class="u">14</span>
+              <span class="d">1</span>
+            </dd>
+          </dl>
+
+          <dl>
+            <dt>
+              <a href="/poaskdpokaspod">
+                Invalid hash and date and filesize
+              </a>
+              books ebooks
+            </dt>
+            <dd>
+              <span class="v">1</span>
+              <span class="a">
+                <span title="Sun, 2124091j0j190gm42">4 months</span>
+              </span>
+              <span class="s">30MB</span>
+              <span class="u">5,555</span>
+              <span class="d">1,234,567</span>
+            </dd>
+          </dl>
+        </div>
+        """
+
+        resp = mock.Mock(text=html)
+        results = torrentz.response(resp)
+
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 2)
+
+        # testing against the first result
+        r = results[0]
+        self.assertEqual(r['url'], 'https://torrentz.eu/4362e08b1d80e1820fb2550b752f9f3126fe76d6')
+        self.assertEqual(r['title'], 'Completely valid info books ebooks')
+        # 22 Nov 2015 03:01:42
+        self.assertEqual(r['publishedDate'], datetime(2015, 11, 22, 3, 1, 42))
+        self.assertEqual(r['seed'], 14)
+        self.assertEqual(r['leech'], 1)
+        self.assertEqual(r['filesize'], 30 * 1024 * 1024)
+        self.assertEqual(r['magnetlink'], 'magnet:?xt=urn:btih:4362e08b1d80e1820fb2550b752f9f3126fe76d6')
+
+        # testing against the second result
+        r = results[1]
+        self.assertEqual(r['url'], 'https://torrentz.eu/poaskdpokaspod')
+        self.assertEqual(r['title'], 'Invalid hash and date and filesize books ebooks')
+        self.assertEqual(r['seed'], 5555)
+        self.assertEqual(r['leech'], 1234567)
+
+        # in the second result we have invalid hash, creation date & torrent size,
+        # so these tests should fail
+        self.assertFalse('magnetlink' in r)
+        self.assertFalse('filesize' in r)
+        self.assertFalse('publishedDate' in r)