Merge pull request #513 from a01200356/wolframalpha

WolframAlpha infobox

searx/engines/wolframalpha_api.py

-# Wolfram Alpha (Maths)
+# Wolfram Alpha (Science)
 #
-# @website     http://www.wolframalpha.com
-# @provide-api yes (http://api.wolframalpha.com/v2/)
+# @website     https://www.wolframalpha.com
+# @provide-api yes (https://api.wolframalpha.com/v2/)
 #
 # @using-api   yes
 # @results     XML
 # @stable      yes
-# @parse       result
+# @parse       url, infobox
 
 from urllib import urlencode
 from lxml import etree
-from re import search
 
 # search-url
-base_url = 'http://api.wolframalpha.com/v2/query'
-search_url = base_url + '?appid={api_key}&{query}&format=plaintext'
-site_url = 'http://www.wolframalpha.com/input/?{query}'
+search_url = 'https://api.wolframalpha.com/v2/query?appid={api_key}&{query}'
+site_url = 'https://www.wolframalpha.com/input/?{query}'
 api_key = ''  # defined in settings.yml
 
 # xpath variables
 failure_xpath = '/queryresult[attribute::success="false"]'
 answer_xpath = '//pod[attribute::primary="true"]/subpod/plaintext'
-input_xpath = '//pod[starts-with(attribute::title, "Input")]/subpod/plaintext'
+input_xpath = '//pod[starts-with(attribute::id, "Input")]/subpod/plaintext'
+pods_xpath = '//pod'
+subpods_xpath = './subpod'
+pod_id_xpath = './@id'
+pod_title_xpath = './@title'
+plaintext_xpath = './plaintext'
+image_xpath = './img'
+img_src_xpath = './@src'
+img_alt_xpath = './@alt'
+
+# pods to display as image in infobox
+# this pods do return a plaintext, but they look better and are more useful as images
+image_pods = {'VisualRepresentation',
+              'Illustration'}
 
 
 # do search-request
 def request(query, params):
     params['url'] = search_url.format(query=urlencode({'input': query}),
                                       api_key=api_key)
+    params['headers']['Referer'] = site_url.format(query=urlencode({'i': query}))
 
     return params
 
 
 # replace private user area characters to make text legible
 def replace_pua_chars(text):
-    pua_chars = {u'\uf74c': 'd',
-                 u'\uf74d': u'\u212f',
-                 u'\uf74e': 'i',
-                 u'\uf7d9': '='}
+    pua_chars = {u'\uf522': u'\u2192',  # rigth arrow
+                 u'\uf7b1': u'\u2115',  # set of natural numbers
+                 u'\uf7b4': u'\u211a',  # set of rational numbers
+                 u'\uf7b5': u'\u211d',  # set of real numbers
+                 u'\uf7bd': u'\u2124',  # set of integer numbers
+                 u'\uf74c': 'd',        # differential
+                 u'\uf74d': u'\u212f',  # euler's number
+                 u'\uf74e': 'i',        # imaginary number
+                 u'\uf7d9': '='}        # equals sign
 
     for k, v in pua_chars.iteritems():
         text = text.replace(k, v)
     if search_results.xpath(failure_xpath):
         return []
 
-    # parse answers
-    answers = search_results.xpath(answer_xpath)
-    if answers:
-        for answer in answers:
-            answer = replace_pua_chars(answer.text)
+    try:
+        infobox_title = search_results.xpath(input_xpath)[0].text
+    except:
+        infobox_title = None
 
-            results.append({'answer': answer})
+    pods = search_results.xpath(pods_xpath)
+    result_chunks = []
+    for pod in pods:
+        pod_id = pod.xpath(pod_id_xpath)[0]
+        pod_title = pod.xpath(pod_title_xpath)[0]
 
-    # if there's no input section in search_results, check if answer has the input embedded (before their "=" sign)
-    try:
-        query_input = search_results.xpath(input_xpath)[0].text
-    except IndexError:
-        query_input = search(u'([^\uf7d9]+)', answers[0].text).group(1)
+        subpods = pod.xpath(subpods_xpath)
+        if not subpods:
+            continue
+
+        # Appends either a text or an image, depending on which one is more suitable
+        for subpod in subpods:
+            content = subpod.xpath(plaintext_xpath)[0].text
+            image = subpod.xpath(image_xpath)
+
+            if content and pod_id not in image_pods:
+
+                # if no input pod was found, title is first plaintext pod
+                if not infobox_title:
+                    infobox_title = content
+
+                content = replace_pua_chars(content)
+                result_chunks.append({'label': pod_title, 'value': content})
+
+            elif image:
+                result_chunks.append({'label': pod_title,
+                                      'image': {'src': image[0].xpath(img_src_xpath)[0],
+                                                'alt': image[0].xpath(img_alt_xpath)[0]}})
+
+    if not result_chunks:
+        return []
+
+    # append infobox
+    results.append({'infobox': infobox_title,
+                    'attributes': result_chunks,
+                    'urls': [{'title': 'Wolfram|Alpha', 'url': resp.request.headers['Referer'].decode('utf8')}]})
 
     # append link to site
-    result_url = site_url.format(query=urlencode({'i': query_input.encode('utf-8')}))
-    results.append({'url': result_url,
-                    'title': query_input + " - Wolfram|Alpha"})
+    results.append({'url': resp.request.headers['Referer'].decode('utf8'),
+                    'title': 'Wolfram|Alpha',
+                    'content': infobox_title})
 
     return results

searx/engines/wolframalpha_noapi.py

-# WolframAlpha (Maths)
+# Wolfram|Alpha (Science)
 #
-# @website     http://www.wolframalpha.com/
-# @provide-api yes (http://api.wolframalpha.com/v2/)
+# @website     https://www.wolframalpha.com/
+# @provide-api yes (https://api.wolframalpha.com/v2/)
 #
 # @using-api   no
-# @results     HTML
+# @results     JSON
 # @stable      no
-# @parse       answer
+# @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
 
 # search-url
 url = 'https://www.wolframalpha.com/'
-search_url = url + 'input/?{query}'
 
 search_url = url + 'input/json.jsp'\
-    '?async=true'\
+    '?async=false'\
     '&banners=raw'\
     '&debuggingdata=false'\
     '&format=image,plaintext,imagemap,minput,moutput'\
     '&sponsorcategories=true'\
     '&statemethod=deploybutton'
 
-# xpath variables
-scripts_xpath = '//script'
-title_xpath = '//title'
-failure_xpath = '//p[attribute::class="pfail"]'
+referer_url = url + 'input/?{query}'
+
 token = {'value': '',
          '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
+image_pods = {'VisualRepresentation',
+              'Illustration',
+              'Symbol'}
+
 
 # seems, wolframalpha resets its token in every hour
 def obtain_token():
     if time() - token['last_updated'] > 3600:
         obtain_token()
     params['url'] = search_url.format(query=urlencode({'input': query}), token=token['value'])
-    params['headers']['Referer'] = 'https://www.wolframalpha.com/input/?i=' + query
+    params['headers']['Referer'] = referer_url.format(query=urlencode({'i': query}))
 
     return params
 
 
 # get response from search-request
 def response(resp):
+    results = []
+
     resp_json = loads(resp.text)
 
     if not resp_json['queryresult']['success']:
 
     # TODO handle resp_json['queryresult']['assumptions']
     result_chunks = []
+    infobox_title = None
     for pod in resp_json['queryresult']['pods']:
+        pod_id = pod.get('id', '')
         pod_title = pod.get('title', '')
+
         if 'subpods' not in pod:
             continue
+
+        if pod_id == 'Input' or not infobox_title:
+            infobox_title = pod['subpods'][0]['plaintext']
+
         for subpod in pod['subpods']:
-            if 'img' in subpod:
-                result_chunks.append(u'<p>{0}<br /><img src="{1}" alt="{2}" /></p>'
-                                     .format(escape(pod_title or subpod['img']['alt']),
-                                             escape(subpod['img']['src']),
-                                             escape(subpod['img']['alt'])))
+            if subpod['plaintext'] != '' and pod_id not in image_pods:
+                # append unless it's not an actual answer
+                if subpod['plaintext'] != '(requires interactivity)':
+                    result_chunks.append({'label': pod_title, 'value': subpod['plaintext']})
+
+            elif 'img' in subpod:
+                result_chunks.append({'label': pod_title, 'image': subpod['img']})
 
     if not result_chunks:
         return []
 
-    return [{'url': resp.request.headers['Referer'].decode('utf-8'),
-             'title': 'Wolframalpha',
-             'content': ''.join(result_chunks)}]
+    results.append({'infobox': infobox_title,
+                    'attributes': result_chunks,
+                    '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})
+
+    return results

searx/settings.yml

     shortcut : wa
     # You can use the engine using the official stable API, but you need an API key
     # See : http://products.wolframalpha.com/api/
-    #    engine : wolframalpha_api
-    #    api_key: 'apikey' # required!
+    # engine : wolframalpha_api
+    # api_key: '' # required!
     engine : wolframalpha_noapi
     timeout: 6.0
     categories : science

searx/static/themes/default/less/style.less

 	   margin: 0px 2px 5px 5px;
 	   padding: 0px 2px 2px;
 	   max-width: 21em;
+       word-wrap: break-word;
 
 	   .infobox {
 	   	    margin: 10px 0 10px;
                     /* box-shadow: 0px 0px 5px #CCC; */
 
 	   	    img {
-		    	max-width: 20em;
+		    	max-width: 90%;
 			max-heigt: 12em;
 			display: block;
 			margin: 5px;
 		    }
 
 		    table {
-		    	  width: auto;
+                  table-layout: fixed;
 
 			  td {
 		       	     vertical-align: top;

searx/static/themes/oscar/css/oscar.min.css

 .result_download{margin-right:5px}
 #pagination{margin-top:30px;padding-bottom:50px}
 .label-default{color:#aaa;background:#fff}
-.infobox .infobox_part{margin-bottom:20px;word-wrap:break-word}
+.infobox .infobox_part{margin-bottom:20px;word-wrap:break-word;table-layout:fixed}
 .infobox .infobox_part:last-child{margin-bottom:0}
 .search_categories{margin:10px 0;text-transform:capitalize}
 .cursor-text{cursor:text !important}

searx/static/themes/oscar/less/oscar/infobox.less

 .infobox {
     .infobox_part {
         margin-bottom: 20px;
-         word-wrap: break-word;
+        word-wrap: break-word;
+        table-layout: fixed;
     }
     
     .infobox_part:last-child {

searx/templates/default/infobox.html

     <div class="attributes">
         <table>
             {% for attribute in infobox.attributes %}
-            <tr><td>{{ attribute.label }}</td><td>{{ attribute.value }}</td></tr>
+            <tr>
+                <td>{{ attribute.label }}</td>
+                {% if attribute.image %}
+                <td><img src="{{ image_proxify(attribute.image.src) }}" alt="{{ attribute.image.alt }}" /></td>
+                {% else %}
+                <td>{{ attribute.value }}</td>
+                {% endif %}
+            </tr>
             {% endfor %}
         </table>
     </div>

searx/templates/oscar/infobox.html

 <div class="panel panel-default infobox">
     <div class="panel-heading">
-        <h4 class="panel-title">{{ infobox.infobox }}</h4>
+        <h4 class="panel-title infobox_part">{{ infobox.infobox }}</h4>
     </div>
     <div class="panel-body">
         {% if infobox.img_src %}<img class="img-responsive center-block infobox_part" src="{{ image_proxify(infobox.img_src) }}" alt="{{ infobox.infobox }}" />{% endif %}
             {% for attribute in infobox.attributes %}
             <tr>
                 <td>{{ attribute.label }}</td>
+                {% if attribute.image %}
+                <td><img class="img-responsive" src="{{ image_proxify(attribute.image.src) }}" alt="{{ attribute.image.alt }}" /></td>
+                {% else %}
                 <td>{{ attribute.value }}</td>
+                {% endif %}
             </tr>
             {% endfor %}
         </table>

tests/unit/engines/test_wolframalpha_api.py

 # -*- coding: utf-8 -*-
 from collections import defaultdict
 import mock
+from requests import Request
 from searx.engines import wolframalpha_api
 from searx.testing import SearxTestCase
 
 
     def test_request(self):
         query = 'test_query'
-        api_key = 'XXXXXX-XXXXXXXXXX'
         dicto = defaultdict(dict)
-        dicto['api_key'] = api_key
         params = wolframalpha_api.request(query, dicto)
 
+        # TODO: test api_key
         self.assertIn('url', params)
+        self.assertIn('https://api.wolframalpha.com/v2/query?', params['url'])
         self.assertIn(query, params['url'])
-        self.assertIn('wolframalpha.com', params['url'])
+        self.assertEqual('https://www.wolframalpha.com/input/?i=test_query', params['headers']['Referer'])
 
-        self.assertIn('api_key', params)
-        self.assertIn(api_key, params['api_key'])
+    def test_replace_pua_chars(self):
+        self.assertEqual('i', wolframalpha_api.replace_pua_chars(u'\uf74e'))
 
     def test_response(self):
         self.assertRaises(AttributeError, wolframalpha_api.response, None)
         self.assertRaises(AttributeError, wolframalpha_api.response, '')
         self.assertRaises(AttributeError, wolframalpha_api.response, '[]')
 
+        referer_url = 'referer_url'
+        request = Request(headers={'Referer': referer_url})
+
+        # test failure
         xml = '''<?xml version='1.0' encoding='UTF-8'?>
         <queryresult success='false' error='false' />
         '''
-        # test failure
         response = mock.Mock(content=xml)
         self.assertEqual(wolframalpha_api.response(response), [])
 
+        # test basic case
         xml = """<?xml version='1.0' encoding='UTF-8'?>
         <queryresult success='true'
             error='false'
-            numpods='6'
-            datatypes=''
-            timedout=''
-            timedoutpods=''
-            timing='0.684'
-            parsetiming='0.138'
-            parsetimedout='false'
-            recalculate=''
-            id='MSPa416020a7966dachc463600000f9c66cc21444cfg'
-            host='http://www3.wolframalpha.com'
-            server='6'
-            related='http://www3.wolframalpha.com/api/v2/relatedQueries.jsp?...'
+            numpods='3'
+            datatypes='Math'
+            id='queryresult_id'
+            host='http://www4c.wolframalpha.com'
+            related='related_url'
             version='2.6'>
-         <pod title='Input'
-             scanner='Identity'
-             id='Input'
-             position='100'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext>sqrt(-1)</plaintext>
-          </subpod>
-         </pod>
-         <pod title='Result'
-             scanner='Simplification'
-             id='Result'
-             position='200'
-             error='false'
-             numsubpods='1'
-             primary='true'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-          <states count='1'>
-           <state name='Step-by-step solution'
-               input='Result__Step-by-step solution' />
-          </states>
-         </pod>
-         <pod title='Polar coordinates'
-             scanner='Numeric'
-             id='PolarCoordinates'
-             position='300'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext>r1 (radius), θ90° (angle)</plaintext>
-          </subpod>
-         </pod>
-         <pod title='Position in the complex plane'
-             scanner='Numeric'
-             id='PositionInTheComplexPlane'
-             position='400'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-         </pod>
-         <pod title='All 2nd roots of -1'
-             scanner='RootsOfUnity'
-             id=''
-             position='500'
-             error='false'
-             numsubpods='2'>
-          <subpod title=''>
-           <plaintext>  (principal root)</plaintext>
-          </subpod>
-          <subpod title=''>
-           <plaintext>-</plaintext>
-          </subpod>
-         </pod>
-         <pod title='Plot of all roots in the complex plane'
-             scanner='RootsOfUnity'
-             id='PlotOfAllRootsInTheComplexPlane'
-             position='600'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-         </pod>
-        </queryresult>
-        """
-        # test private user area char in response
-        response = mock.Mock(content=xml)
-        results = wolframalpha_api.response(response)
-        self.assertEqual(type(results), list)
-        self.assertEqual(len(results), 2)
-        self.assertIn('i', results[0]['answer'])
-        self.assertIn('sqrt(-1) - Wolfram|Alpha', results[1]['title'])
-        self.assertEquals('http://www.wolframalpha.com/input/?i=sqrt%28-1%29', results[1]['url'])
-
-        xml = """<?xml version='1.0' encoding='UTF-8'?>
-            <queryresult success='true'
-                error='false'
-                numpods='2'
-                datatypes=''
-                timedout=''
-                timedoutpods=''
-                timing='1.286'
-                parsetiming='0.255'
-                parsetimedout='false'
-                recalculate=''
-                id='MSPa195222ad740ede5214h30000480ca61h003d3gd6'
-                host='http://www3.wolframalpha.com'
-                server='20'
-                related='http://www3.wolframalpha.com/api/v2/relatedQueries.jsp?id=...'
-                version='2.6'>
-             <pod title='Indefinite integral'
-                 scanner='Integral'
-                 id='IndefiniteIntegral'
-                 position='100'
-                 error='false'
+            <pod title='Input'
+                 scanner='Identity'
+                 id='Input'
+                 numsubpods='1'>
+                  <subpod title=''>
+                       <img src='input_img_src.gif'
+                           alt='input_img_alt'
+                           title='input_img_title' />
+                       <plaintext>input_plaintext</plaintext>
+                  </subpod>
+             </pod>
+             <pod title='Result'
+                 scanner='Simplification'
+                 id='Result'
                  numsubpods='1'
                  primary='true'>
-              <subpod title=''>
-               <plaintext>∫1/xxlog(x)+constant</plaintext>
-              </subpod>
-              <states count='1'>
-               <state name='Step-by-step solution'
-                   input='IndefiniteIntegral__Step-by-step solution' />
-              </states>
-              <infos count='1'>
-               <info text='log(x) is the natural logarithm'>
-                <link url='http://reference.wolfram.com/mathematica/ref/Log.html'
-                    text='Documentation'
-                    title='Mathematica' />
-                <link url='http://functions.wolfram.com/ElementaryFunctions/Log'
-                    text='Properties'
-                    title='Wolfram Functions Site' />
-                <link url='http://mathworld.wolfram.com/NaturalLogarithm.html'
-                    text='Definition'
-                    title='MathWorld' />
-               </info>
-              </infos>
+                  <subpod title=''>
+                       <img src='result_img_src.gif'
+                           alt='result_img_alt'
+                           title='result_img_title' />
+                       <plaintext>result_plaintext</plaintext>
+                  </subpod>
              </pod>
-             <pod title='Plots of the integral'
-                 scanner='Integral'
-                 id='Plot'
-                 position='200'
-                 error='false'
-                 numsubpods='2'>
-              <subpod title=''>
-               <plaintext></plaintext>
-               <states count='1'>
-                <statelist count='2'
-                    value='Complex-valued plot'
-                    delimiters=''>
-                 <state name='Complex-valued plot'
-                     input='Plot__1_Complex-valued plot' />
-                 <state name='Real-valued plot'
-                     input='Plot__1_Real-valued plot' />
-                </statelist>
-               </states>
-              </subpod>
-              <subpod title=''>
-               <plaintext></plaintext>
-               <states count='1'>
-                <statelist count='2'
-                    value='Complex-valued plot'
-                    delimiters=''>
-                 <state name='Complex-valued plot'
-                     input='Plot__2_Complex-valued plot' />
-                 <state name='Real-valued plot'
-                     input='Plot__2_Real-valued plot' />
-                </statelist>
-               </states>
-              </subpod>
+             <pod title='Manipulatives illustration'
+                 scanner='Arithmetic'
+                 id='Illustration'
+                 numsubpods='1'>
+                  <subpod title=''>
+                       <img src='illustration_img_src.gif'
+                           alt='illustration_img_alt' />
+                       <plaintext>illustration_plaintext</plaintext>
+                  </subpod>
              </pod>
-             <assumptions count='1'>
-              <assumption type='Clash'
-                  word='integral'
-                  template='Assuming &quot;${word}&quot; is ${desc1}. Use as ${desc2} instead'
-                  count='2'>
-               <value name='IntegralsWord'
-                   desc='an integral'
-                   input='*C.integral-_*IntegralsWord-' />
-               <value name='MathematicalFunctionIdentityPropertyClass'
-                   desc='a function property'
-                   input='*C.integral-_*MathematicalFunctionIdentityPropertyClass-' />
-              </assumption>
-             </assumptions>
-            </queryresult>
+        </queryresult>
         """
-        # test integral
-        response = mock.Mock(content=xml)
+        response = mock.Mock(content=xml, request=request)
         results = wolframalpha_api.response(response)
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 2)
-        self.assertIn('log(x)+c', results[0]['answer'])
-        self.assertIn('∫1/xx - Wolfram|Alpha'.decode('utf-8'), results[1]['title'])
-        self.assertEquals('http://www.wolframalpha.com/input/?i=%E2%88%AB1%2Fx%EF%9D%8Cx', results[1]['url'])
+        self.assertEqual('input_plaintext', results[0]['infobox'])
+
+        self.assertEqual(len(results[0]['attributes']), 3)
+        self.assertEqual('Input', results[0]['attributes'][0]['label'])
+        self.assertEqual('input_plaintext', results[0]['attributes'][0]['value'])
+        self.assertEqual('Result', results[0]['attributes'][1]['label'])
+        self.assertEqual('result_plaintext', results[0]['attributes'][1]['value'])
+        self.assertEqual('Manipulatives illustration', results[0]['attributes'][2]['label'])
+        self.assertEqual('illustration_img_src.gif', results[0]['attributes'][2]['image']['src'])
+        self.assertEqual('illustration_img_alt', results[0]['attributes'][2]['image']['alt'])
+
+        self.assertEqual(len(results[0]['urls']), 1)
 
+        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'])
+
+        # test calc
         xml = """<?xml version='1.0' encoding='UTF-8'?>
         <queryresult success='true'
             error='false'
-            numpods='4'
-            datatypes='Solve'
-            timedout=''
-            timedoutpods=''
-            timing='0.79'
-            parsetiming='0.338'
+            numpods='2'
+            datatypes=''
             parsetimedout='false'
-            recalculate=''
-            id='MSPa7481f7i06d25h3deh2900004810i3a78d9b4fdc'
+            id='queryresult_id'
             host='http://www5b.wolframalpha.com'
-            server='23'
-            related='http://www5b.wolframalpha.com/api/v2/relatedQueries.jsp?id=...'
-            version='2.6'>
-         <pod title='Input interpretation'
-             scanner='Identity'
-             id='Input'
-             position='100'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext>solve x^2+x0</plaintext>
-          </subpod>
-         </pod>
-         <pod title='Results'
-             scanner='Solve'
-             id='Result'
-             position='200'
-             error='false'
-             numsubpods='2'
-             primary='true'>
-          <subpod title=''>
-           <plaintext>x-1</plaintext>
-          </subpod>
-          <subpod title=''>
-           <plaintext>x0</plaintext>
-          </subpod>
-          <states count='1'>
-           <state name='Step-by-step solution'
-               input='Result__Step-by-step solution' />
-          </states>
-         </pod>
-         <pod title='Root plot'
-             scanner='Solve'
-             id='RootPlot'
-             position='300'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-         </pod>
-         <pod title='Number line'
-             scanner='Solve'
-             id='NumberLine'
-             position='400'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-         </pod>
+            related='related_url'
+            version='2.6' >
+            <pod title='Indefinite integral'
+                scanner='Integral'
+                id='IndefiniteIntegral'
+                error='false'
+                numsubpods='1'
+                primary='true'>
+                <subpod title=''>
+                    <img src='integral_image.gif'
+                        alt='integral_img_alt'
+                        title='integral_img_title' />
+                    <plaintext>integral_plaintext</plaintext>
+                </subpod>
+            </pod>
+            <pod title='Plot of the integral'
+                scanner='Integral'
+                id='Plot'
+                error='false'
+                numsubpods='1'>
+                <subpod title=''>
+                    <img src='plot.gif'
+                        alt='plot_alt'
+                        title='' />
+                    <plaintext></plaintext>
+                </subpod>
+            </pod>
         </queryresult>
         """
-        # test ecuation with multiple answers
-        response = mock.Mock(content=xml)
+        response = mock.Mock(content=xml, request=request)
         results = wolframalpha_api.response(response)
         self.assertEqual(type(results), list)
-        self.assertEqual(len(results), 3)
-        self.assertIn('x=-1', results[0]['answer'])
-        self.assertIn('x=0', results[1]['answer'])
-        self.assertIn('solve x^2+x0 - Wolfram|Alpha'.decode('utf-8'), results[2]['title'])
-        self.assertEquals('http://www.wolframalpha.com/input/?i=solve+x%5E2%2Bx%EF%9F%990', results[2]['url'])
+        self.assertEqual(len(results), 2)
+        self.assertEqual('integral_plaintext', results[0]['infobox'])
+
+        self.assertEqual(len(results[0]['attributes']), 2)
+        self.assertEqual('Indefinite integral', results[0]['attributes'][0]['label'])
+        self.assertEqual('integral_plaintext', results[0]['attributes'][0]['value'])
+        self.assertEqual('Plot of the integral', results[0]['attributes'][1]['label'])
+        self.assertEqual('plot.gif', results[0]['attributes'][1]['image']['src'])
+        self.assertEqual('plot_alt', results[0]['attributes'][1]['image']['alt'])
+
+        self.assertEqual(len(results[0]['urls']), 1)
+
+        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'])

tests/unit/engines/test_wolframalpha_noapi.py

 # -*- coding: utf-8 -*-
 from collections import defaultdict
+import mock
+from requests import Request
 from searx.engines import wolframalpha_noapi
 from searx.testing import SearxTestCase
 
     def test_request(self):
         query = 'test_query'
         dicto = defaultdict(dict)
-        dicto['pageno'] = 1
         params = wolframalpha_noapi.request(query, dicto)
+
         self.assertIn('url', params)
+        self.assertIn('https://www.wolframalpha.com/input/json.jsp', params['url'])
         self.assertIn(query, params['url'])
-        self.assertIn('wolframalpha.com', params['url'])
+        self.assertEqual('https://www.wolframalpha.com/input/?i=test_query', params['headers']['Referer'])
 
     def test_response(self):
         self.assertRaises(AttributeError, wolframalpha_noapi.response, None)
         self.assertRaises(AttributeError, wolframalpha_noapi.response, [])
         self.assertRaises(AttributeError, wolframalpha_noapi.response, '')
         self.assertRaises(AttributeError, wolframalpha_noapi.response, '[]')
-        # TODO
+
+        referer_url = 'referer_url'
+        request = Request(headers={'Referer': referer_url})
+
+        # test failure
+        json = '''
+        {"queryresult" : {
+            "success" : false,
+            "error" : false,
+            "numpods" : 0,
+            "id" : "",
+            "host" : "https:\/\/www5a.wolframalpha.com",
+            "didyoumeans" : {}
+        }}
+        '''
+        response = mock.Mock(text=json, request=request)
+        self.assertEqual(wolframalpha_noapi.response(response), [])
+
+        # test basic case
+        json = '''
+        {"queryresult" : {
+            "success" : true,
+            "error" : false,
+            "numpods" : 6,
+            "datatypes" : "Math",
+            "id" : "queryresult_id",
+            "host" : "https:\/\/www5b.wolframalpha.com",
+            "related" : "related_url",
+            "version" : "2.6",
+            "pods" : [
+                {
+                    "title" : "Input",
+                    "scanners" : [
+                        "Identity"
+                    ],
+                    "id" : "Input",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "img" : {
+                                "src" : "input_img_src.gif",
+                                "alt" : "input_img_alt",
+                                "title" : "input_img_title"
+                            },
+                            "plaintext" : "input_plaintext",
+                            "minput" : "input_minput"
+                        }
+                    ]
+                },
+                {
+                    "title" : "Result",
+                    "scanners" : [
+                        "Simplification"
+                    ],
+                    "id" : "Result",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "primary" : true,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "img" : {
+                                "src" : "result_img_src.gif",
+                                "alt" : "result_img_alt",
+                                "title" : "result_img_title"
+                            },
+                            "plaintext" : "result_plaintext",
+                            "moutput" : "result_moutput"
+                        }
+                    ]
+                },
+                {
+                    "title" : "Manipulatives illustration",
+                    "scanners" : [
+                        "Arithmetic"
+                    ],
+                    "id" : "Illustration",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "CDFcontent" : "Resizeable",
+                            "img" : {
+                                "src" : "illustration_img_src.gif",
+                                "alt" : "illustration_img_alt",
+                                "title" : "illustration_img_title"
+                            },
+                            "plaintext" : "illustration_img_plaintext"
+                        }
+                    ]
+                }
+            ]
+        }}
+        '''
+        response = mock.Mock(text=json, request=request)
+        results = wolframalpha_noapi.response(response)
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 2)
+        self.assertEqual('input_plaintext', results[0]['infobox'])
+
+        self.assertEqual(len(results[0]['attributes']), 3)
+        self.assertEqual('Input', results[0]['attributes'][0]['label'])
+        self.assertEqual('input_plaintext', results[0]['attributes'][0]['value'])
+        self.assertEqual('Result', results[0]['attributes'][1]['label'])
+        self.assertEqual('result_plaintext', results[0]['attributes'][1]['value'])
+        self.assertEqual('Manipulatives illustration', results[0]['attributes'][2]['label'])
+        self.assertEqual('illustration_img_src.gif', results[0]['attributes'][2]['image']['src'])
+        self.assertEqual('illustration_img_alt', results[0]['attributes'][2]['image']['alt'])
+
+        self.assertEqual(len(results[0]['urls']), 1)
+
+        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'])
+
+        # test calc
+        json = """
+        {"queryresult" : {
+            "success" : true,
+            "error" : false,
+            "numpods" : 2,
+            "datatypes" : "",
+            "id" : "queryresult_id",
+            "host" : "https:\/\/www4b.wolframalpha.com",
+            "related" : "related_url",
+            "version" : "2.6",
+            "pods" : [
+                {
+                    "title" : "Indefinite integral",
+                    "scanners" : [
+                        "Integral"
+                    ],
+                    "id" : "IndefiniteIntegral",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "primary" : true,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "img" : {
+                                "src" : "integral_img_src.gif",
+                                "alt" : "integral_img_alt",
+                                "title" : "integral_img_title"
+                            },
+                            "plaintext" : "integral_plaintext",
+                            "minput" : "integral_minput",
+                            "moutput" : "integral_moutput"
+                        }
+                    ]
+                },
+                {
+                    "title" : "Plot of the integral",
+                    "scanners" : [
+                        "Integral"
+                    ],
+                    "id" : "Plot",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "img" : {
+                                "src" : "plot.gif",
+                                "alt" : "plot_alt",
+                                "title" : "plot_title"
+                            },
+                            "plaintext" : "",
+                            "minput" : "plot_minput"
+                        }
+                    ]
+                }
+            ]
+        }}
+        """
+        response = mock.Mock(text=json, request=request)
+        results = wolframalpha_noapi.response(response)
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 2)
+        self.assertEqual('integral_plaintext', results[0]['infobox'])
+
+        self.assertEqual(len(results[0]['attributes']), 2)
+        self.assertEqual('Indefinite integral', results[0]['attributes'][0]['label'])
+        self.assertEqual('integral_plaintext', results[0]['attributes'][0]['value'])
+        self.assertEqual('Plot of the integral', results[0]['attributes'][1]['label'])
+        self.assertEqual('plot.gif', results[0]['attributes'][1]['image']['src'])
+        self.assertEqual('plot_alt', results[0]['attributes'][1]['image']['alt'])
+
+        self.assertEqual(len(results[0]['urls']), 1)
+
+        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'])