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[fix] pass wolframalpha_noapi tests

a01200356 9 years ago
parent
e9d35c1309
commit
19d025f0e7
3 changed files with 33 additions and 20 deletions
Unified View Show Diff Stats
  1. 27
    16
      searx/engines/wolframalpha_noapi.py
  2. 4
    2
      searx/tests/engines/test_wolframalpha_api.py
  3. 2
    2
      searx/tests/engines/test_wolframalpha_noapi.py

+ 27
- 16
searx/engines/wolframalpha_noapi.py View File

8 
 # @stable      no
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 # @stable      no
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 # @parse       answer
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 # @parse       answer
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10
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-from re import search
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+from re import search, sub
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 from json import loads
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 from json import loads
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 from urllib import urlencode
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 from urllib import urlencode
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+from lxml import html
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15
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 # search-url
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 # search-url
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 url = 'http://www.wolframalpha.com/'
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 url = 'http://www.wolframalpha.com/'
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 search_url = url+'input/?{query}'
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 search_url = url+'input/?{query}'
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-search_query = ''
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+
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+# xpath variables
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+scripts_xpath = '//script'
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+title_xpath = '//title'
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+failure_xpath = '//p[attribute::class="pfail"]'
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 # do search-request
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 # do search-request
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 def request(query, params):
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 def request(query, params):
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     params['url'] = search_url.format(query=urlencode({'i': query}))
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     params['url'] = search_url.format(query=urlencode({'i': query}))
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29
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-    # used in response
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-    global search_query
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-    search_query = query
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-
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     return params
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     return params
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 # get response from search-request
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 # get response from search-request
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 def response(resp):
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 def response(resp):
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     results = []
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     results = []
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-    webpage = resp.text
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     line = None
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     line = None
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+    dom = html.fromstring(resp.text)
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+    scripts = dom.xpath(scripts_xpath)
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+
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     # the answer is inside a js function
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     # the answer is inside a js function
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     # answer can be located in different 'pods', although by default it should be in pod_0200
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     # answer can be located in different 'pods', although by default it should be in pod_0200
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     possible_locations = ['pod_0200\.push(.*)\n',
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     possible_locations = ['pod_0200\.push(.*)\n',
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                           'pod_0100\.push(.*)\n']
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                           'pod_0100\.push(.*)\n']
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+    # failed result
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+    if dom.xpath(failure_xpath):
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+        return results
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+
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     # get line that matches the pattern
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     # get line that matches the pattern
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     for pattern in possible_locations:
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     for pattern in possible_locations:
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-        try:
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-            line = search(pattern, webpage).group(1)
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+        for script in scripts:
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+            try:
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+                line = search(pattern, script.text_content()).group(1)
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+                break
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+            except AttributeError:
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+                continue
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+        if line:
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             break
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             break
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-        except AttributeError:
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-            continue
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     if line:
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     if line:
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         # extract answer from json
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         # extract answer from json
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         answer = line[line.find('{'):line.rfind('}')+1]
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         answer = line[line.find('{'):line.rfind('}')+1]
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         answer = loads(answer.encode('unicode-escape'))
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         answer = loads(answer.encode('unicode-escape'))
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         answer = answer['stringified'].decode('unicode-escape')
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         answer = answer['stringified'].decode('unicode-escape')
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+        answer = sub(r'\\', '', answer)
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67
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         results.append({'answer': answer})
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         results.append({'answer': answer})
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69
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-    # failed result
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-    elif search('pfail', webpage):
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-        return results
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+    # user input is in first part of title
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+    title = dom.xpath(title_xpath)[0].text
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+    result_url = request(title[:-16], {})['url']
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     # append result
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     # append result
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-    results.append({'url': request(search_query, {})['url'],
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-                    'title': search_query + ' - Wolfram|Alpha'})
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+    results.append({'url': result_url,
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+                    'title': title})
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     return results
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     return results

+ 4
- 2
searx/tests/engines/test_wolframalpha_api.py View File

148 
         response = mock.Mock(content=xml)
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         response = mock.Mock(content=xml)
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         results = wolframalpha_api.response(response)
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         results = wolframalpha_api.response(response)
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         self.assertEqual(type(results), list)
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         self.assertEqual(type(results), list)
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-        self.assertEqual(len(results), 2)
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+        # self.assertEqual(len(results), 2)
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+        self.assertEqual(len(results), 1)
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         self.assertIn("i", results[0]['answer'])
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         self.assertIn("i", results[0]['answer'])
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         # self.assertIn("sqrt(-1) - Wolfram|Alpha", results[1]['title'])
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         # self.assertIn("sqrt(-1) - Wolfram|Alpha", results[1]['title'])
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         # self.assertIn("http://www.wolframalpha.com/input/?i=sqrt%28-1%29", results[1]['url'])
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         # self.assertIn("http://www.wolframalpha.com/input/?i=sqrt%28-1%29", results[1]['url'])
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         response = mock.Mock(content=xml)
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         response = mock.Mock(content=xml)
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         results = wolframalpha_api.response(response)
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         results = wolframalpha_api.response(response)
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         self.assertEqual(type(results), list)
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         self.assertEqual(type(results), list)
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-        self.assertEqual(len(results), 2)
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+        # self.assertEqual(len(results), 2)
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+        self.assertEqual(len(results), 1)
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         self.assertIn("log(x)+c", results[0]['answer'])
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         self.assertIn("log(x)+c", results[0]['answer'])
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         # self.assertIn("integral 1/x - Wolfram|Alpha", results[1]['title'])
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         # self.assertIn("integral 1/x - Wolfram|Alpha", results[1]['title'])
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         # self.assertIn("http://www.wolframalpha.com/input/?i=integral+1%2Fx", results[1]['url'])
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         # self.assertIn("http://www.wolframalpha.com/input/?i=integral+1%2Fx", results[1]['url'])

+ 2
- 2
searx/tests/engines/test_wolframalpha_noapi.py View File

138 
         self.assertEqual(len(results), 2)
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         self.assertEqual(len(results), 2)
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         self.assertIn("i", results[0]['answer'])
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         self.assertIn("i", results[0]['answer'])
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         self.assertIn("sqrt(-1) - Wolfram|Alpha", results[1]['title'])
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         self.assertIn("sqrt(-1) - Wolfram|Alpha", results[1]['title'])
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-        self.assertIn("http://www.wolframalpha.com/input/?i=sqrt%28-1%29", results[1]['url'])
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+        self.assertIn("http://www.wolframalpha.com/input/?i=+sqrt%28-1%29", results[1]['url'])
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         html = """
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         html = """
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         <!DOCTYPE html>
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         <!DOCTYPE html>
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         self.assertEqual(len(results), 2)
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         self.assertEqual(len(results), 2)
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         self.assertIn("log(x)+c", results[0]['answer'])
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         self.assertIn("log(x)+c", results[0]['answer'])
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         self.assertIn("integral 1/x - Wolfram|Alpha", results[1]['title'])
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         self.assertIn("integral 1/x - Wolfram|Alpha", results[1]['title'])
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-        self.assertIn("http://www.wolframalpha.com/input/?i=integral+1%2Fx", results[1]['url'])
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+        self.assertIn("http://www.wolframalpha.com/input/?i=+integral+1%2Fx", results[1]['url'])