[fix] yahoo_news engine

searx/engines/yahoo_news.py

 language_support = True
 
 # search-url
-search_url = 'https://news.search.yahoo.com/search?{query}&b={offset}&fl=1&vl=lang_{lang}'  # noqa
+search_url = 'https://news.search.yahoo.com/search?{query}&b={offset}&{lang}=uh3_news_web_gs_1&pz=10&xargs=0&vl=lang_{lang}'  # noqa
 
 # specific xpath variables
-results_xpath = '//div[@class="res"]'
+results_xpath = '//ol[contains(@class,"searchCenterMiddle")]//li'
 url_xpath = './/h3/a/@href'
 title_xpath = './/h3/a'
-content_xpath = './/div[@class="abstr"]'
-publishedDate_xpath = './/span[@class="timestamp"]'
-suggestion_xpath = '//div[@id="satat"]//a'
+content_xpath = './/div[@class="compText"]'
+publishedDate_xpath = './/span[contains(@class,"tri")]'
+suggestion_xpath = '//div[contains(@class,"VerALSOTRY")]//a'
 
 
 # do search-request
                                       lang=language)
 
     # TODO required?
-    params['cookies']['sB'] = 'fl=1&vl=lang_{lang}&sh=1&rw=new&v=1'\
+    params['cookies']['sB'] = '"v=1&vm=p&fl=1&vl=lang_{lang}&sh=1&pn=10&rw=new'\
         .format(lang=language)
     return params
 
 
+def sanitize_url(url):
+    if ".yahoo.com/" in url:
+        return re.sub(u"\;\_ylt\=.+$", "", url)
+    else:
+        return url
+
+
 # get response from search-request
 def response(resp):
     results = []
 
     # parse results
     for result in dom.xpath(results_xpath):
-        url = parse_url(extract_url(result.xpath(url_xpath), search_url))
+        urls = result.xpath(url_xpath)
+        if len(urls) != 1:
+            continue
+        url = sanitize_url(parse_url(extract_url(urls, search_url)))
         title = extract_text(result.xpath(title_xpath)[0])
         content = extract_text(result.xpath(content_xpath)[0])
 
         # parse publishedDate
         publishedDate = extract_text(result.xpath(publishedDate_xpath)[0])
 
+        # still useful ?
         if re.match("^[0-9]+ minute(s|) ago$", publishedDate):
             publishedDate = datetime.now() - timedelta(minutes=int(re.match(r'\d+', publishedDate).group()))  # noqa
         else:

searx/tests/engines/test_yahoo_news.py

         self.assertEqual(yahoo_news.response(response), [])
 
         html = """
-        <div class="res">
-            <div>
-                <h3>
-                    <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
-                        This is
-                        the <b>title</b>...
-                    </a>
-                </h3>
-            </div>
-            <span class="url">Business via Yahoo! Finance</span> &nbsp; <span class="timestamp">Feb 03 09:45am</span>
-            <div class="abstr">
-                This is the content
-            </div>
+        <ol class=" reg searchCenterMiddle">
+            <li class="first">
+                <div class="compTitle">
+                    <h3>
+                        <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
+                           This is
+                           the <b>title</b>...
+                        </a>
+                    </h3>
+                </div>
+                <div>
+                    <span class="cite">Business via Yahoo!</span>
+                    <span class="tri fc-2nd ml-10">May 01 10:00 AM</span>
+                </div>
+                <div class="compText">
+                   This is the content
+               </div>
+            </li>
         </div>
         """
         response = mock.Mock(text=html)
         self.assertEqual(results[0]['content'], 'This is the content')
 
         html = """
-        <div class="res">
-            <div>
-                <h3>
-                    <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
-                        This is
-                        the <b>title</b>...
-                    </a>
-                </h3>
-            </div>
-            <span class="url">Business via Yahoo!</span> &nbsp; <span class="timestamp">2 hours, 22 minutes ago</span>
-            <div class="abstr">
-                This is the content
-            </div>
-        </div>
-        <div class="res">
-            <div>
-                <h3>
-                    <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
-                        This is
-                        the <b>title</b>...
-                    </a>
-                </h3>
-            </div>
-            <span class="url">Business via Yahoo!</span> &nbsp; <span class="timestamp">22 minutes ago</span>
-            <div class="abstr">
-                This is the content
-            </div>
-        </div>
-        <div class="res">
-            <div>
-                <h3>
-                    <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
-                        This is
-                        the <b>title</b>...
-                    </a>
-                </h3>
-            </div>
-            <span class="url">Business via Yahoo!</span> &nbsp; <span class="timestamp">Feb 03 09:45am 1900</span>
-            <div class="abstr">
-                This is the content
-            </div>
-        </div>
+        <ol class=" reg searchCenterMiddle">
+            <li class="first">
+                <div class="compTitle">
+                    <h3>
+                        <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
+                            This is
+                            the <b>title</b>...
+                        </a>
+                    </h3>
+                </div>
+                <div>
+                    <span class="cite">Business via Yahoo!</span>
+                    <span class="tri fc-2nd ml-10">2 hours, 22 minutes ago</span>
+                </div>
+                <div class="compText">
+                    This is the content
+                </div>
+            </li>
+            <li>
+                <div class="compTitle">
+                    <h3>
+                        <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
+                            This is
+                            the <b>title</b>...
+                        </a>
+                    </h3>
+                </div>
+                <div>
+                    <span class="cite">Business via Yahoo!</span>
+                    <span class="tri fc-2nd ml-10">22 minutes ago</span>
+                </div>
+                <div class="compText">
+                    This is the content
+                </div>
+            </li>
+            <li>
+                <div class="compTitle">
+                    <h3>
+                        <a class="yschttl spt" href="http://this.is.the.url" target="_blank">
+                            This is
+                            the <b>title</b>...
+                        </a>
+                    </h3>
+                </div>
+                <div>
+                    <span class="cite">Business via Yahoo!</span>
+                    <span class="tri fc-2nd ml-10">Feb 03 09:45AM 1900</span>
+                </div>
+                <div class="compText">
+                    This is the content
+                </div>
+            </li>
+        </ol>
         """
         response = mock.Mock(text=html)
         results = yahoo_news.response(response)
         self.assertEqual(results[0]['url'], 'http://this.is.the.url/')
         self.assertEqual(results[0]['content'], 'This is the content')
         self.assertEqual(results[2]['publishedDate'].year, datetime.now().year)
-
-        html = """
-        <li class="b_algo" u="0|5109|4755453613245655|UAGjXgIrPH5yh-o5oNHRx_3Zta87f_QO">
-            <div Class="sa_mc">
-                <div class="sb_tlst">
-                    <h2>
-                        <a href="http://this.should.be.the.link/" h="ID=SERP,5124.1">
-                        <strong>This</strong> should be the title</a>
-                    </h2>
-                </div>
-                <div class="sb_meta">
-                <cite>
-                <strong>this</strong>.meta.com</cite>
-                    <span class="c_tlbxTrg">
-                        <span class="c_tlbxH" H="BASE:CACHEDPAGEDEFAULT" K="SERP,5125.1">
-                        </span>
-                    </span>
-                </div>
-                <p>
-                <strong>This</strong> should be the content.</p>
-            </div>
-        </li>
-        """
-        response = mock.Mock(text=html)
-        results = yahoo_news.response(response)
-        self.assertEqual(type(results), list)
-        self.assertEqual(len(results), 0)