Merge pull request #609 from LuccoJ/betterwolfram

Improving Wolfram Alpha search hit content

searx/engines/wolframalpha_api.py

 
 # xpath variables
 failure_xpath = '/queryresult[attribute::success="false"]'
-answer_xpath = '//pod[attribute::primary="true"]/subpod/plaintext'
 input_xpath = '//pod[starts-with(attribute::id, "Input")]/subpod/plaintext'
 pods_xpath = '//pod'
 subpods_xpath = './subpod'
+pod_primary_xpath = './@primary'
 pod_id_xpath = './@id'
 pod_title_xpath = './@title'
 plaintext_xpath = './plaintext'
     try:
         infobox_title = search_results.xpath(input_xpath)[0].text
     except:
-        infobox_title = None
+        infobox_title = ""
 
     pods = search_results.xpath(pods_xpath)
     result_chunks = []
+    result_content = ""
     for pod in pods:
         pod_id = pod.xpath(pod_id_xpath)[0]
         pod_title = pod.xpath(pod_title_xpath)[0]
+        pod_is_result = pod.xpath(pod_primary_xpath)
 
         subpods = pod.xpath(subpods_xpath)
         if not subpods:
 
             if content and pod_id not in image_pods:
 
+                if pod_is_result or not result_content:
+                    if pod_id != "Input":
+                        result_content = "%s: %s" % (pod_title, content)
+
                 # if no input pod was found, title is first plaintext pod
                 if not infobox_title:
                     infobox_title = content
     if not result_chunks:
         return []
 
+    title = "Wolfram|Alpha (%s)" % infobox_title
+
     # append infobox
     results.append({'infobox': infobox_title,
                     'attributes': result_chunks,
 
     # append link to site
     results.append({'url': resp.request.headers['Referer'].decode('utf8'),
-                    'title': 'Wolfram|Alpha',
-                    'content': infobox_title})
+                    'title': title,
+                    'content': result_content})
 
     return results

searx/engines/wolframalpha_noapi.py

 # @stable      no
 # @parse       url, infobox
 
+from cgi import escape
 from json import loads
 from time import time
 from urllib import urlencode
+from lxml.etree import XML
 
 from searx.poolrequests import get as http_get
 
 referer_url = url + 'input/?{query}'
 
 token = {'value': '',
-         'last_updated': 0}
+         'last_updated': None}
 
 # pods to display as image in infobox
 # this pods do return a plaintext, but they look better and are more useful as images
 
     # TODO handle resp_json['queryresult']['assumptions']
     result_chunks = []
-    infobox_title = None
+    infobox_title = ""
+    result_content = ""
     for pod in resp_json['queryresult']['pods']:
         pod_id = pod.get('id', '')
         pod_title = pod.get('title', '')
+        pod_is_result = pod.get('primary', None)
 
         if 'subpods' not in pod:
             continue
                 if subpod['plaintext'] != '(requires interactivity)':
                     result_chunks.append({'label': pod_title, 'value': subpod['plaintext']})
 
+                if pod_is_result or not result_content:
+                    if pod_id != "Input":
+                        result_content = pod_title + ': ' + subpod['plaintext']
+
             elif 'img' in subpod:
                 result_chunks.append({'label': pod_title, 'image': subpod['img']})
 
                     'urls': [{'title': 'Wolfram|Alpha', 'url': resp.request.headers['Referer'].decode('utf8')}]})
 
     results.append({'url': resp.request.headers['Referer'].decode('utf8'),
-                    'title': 'Wolfram|Alpha',
-                    'content': infobox_title})
+                    'title': 'Wolfram|Alpha (' + infobox_title + ')',
+                    'content': result_content})
 
     return results

tests/unit/engines/test_wolframalpha_api.py

         self.assertEqual(referer_url, results[0]['urls'][0]['url'])
         self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
         self.assertEqual(referer_url, results[1]['url'])
-        self.assertEqual('Wolfram|Alpha', results[1]['title'])
+        self.assertEqual('Wolfram|Alpha (input_plaintext)', results[1]['title'])
+        self.assertIn('result_plaintext', results[1]['content'])
 
         # test calc
         xml = """<?xml version='1.0' encoding='UTF-8'?>
         self.assertEqual(referer_url, results[0]['urls'][0]['url'])
         self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
         self.assertEqual(referer_url, results[1]['url'])
-        self.assertEqual('Wolfram|Alpha', results[1]['title'])
+        self.assertEqual('Wolfram|Alpha (integral_plaintext)', results[1]['title'])
+        self.assertIn('integral_plaintext', results[1]['content'])

tests/unit/engines/test_wolframalpha_noapi.py

         self.assertEqual(referer_url, results[0]['urls'][0]['url'])
         self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
         self.assertEqual(referer_url, results[1]['url'])
-        self.assertEqual('Wolfram|Alpha', results[1]['title'])
+        self.assertEqual('Wolfram|Alpha (input_plaintext)', results[1]['title'])
+        self.assertIn('result_plaintext', results[1]['content'])
 
         # test calc
         json = r"""
         self.assertEqual(referer_url, results[0]['urls'][0]['url'])
         self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
         self.assertEqual(referer_url, results[1]['url'])
-        self.assertEqual('Wolfram|Alpha', results[1]['title'])
+        self.assertEqual('Wolfram|Alpha (integral_plaintext)', results[1]['title'])
+        self.assertIn('integral_plaintext', results[1]['content'])