add bing_images

searx/engines/bing_images.py

@@ -0,0 +1,81 @@
+## Bing (Images)
+# 
+# @website     https://www.bing.com/images
+# @provide-api yes (http://datamarket.azure.com/dataset/bing/search), max. 5000 query/month
+# 
+# @using-api   no (because of query limit)
+# @results     HTML (using search portal)
+# @stable      no (HTML can change)
+# @parse       url, title, img_src
+#
+# @todo        currently there are up to 35 images receive per page, because bing does not parse count=10. limited response to 10 images
+
+from urllib import urlencode
+from cgi import escape
+from lxml import html
+from yaml import load
+import re
+
+# engine dependent config
+categories = ['images']
+paging = True
+
+# search-url
+base_url = 'https://www.bing.com/'
+search_string = 'images/search?{query}&count=10&first={offset}'
+
+# do search-request
+def request(query, params):
+    offset = (params['pageno'] - 1) * 10 + 1
+
+    # required for cookie
+    language = 'en-US'
+
+    search_path = search_string.format(
+        query=urlencode({'q': query}),
+        offset=offset)
+
+    params['cookies']['SRCHHPGUSR'] = \
+        'NEWWND=0&NRSLT=-1&SRCHLANG=' + language.split('-')[0]
+
+    params['url'] = base_url + search_path
+
+    print(params['url'])
+
+    return params
+
+
+# get response from search-request
+def response(resp):
+    results = []
+
+    dom = html.fromstring(resp.content)
+
+    # init regex for yaml-parsing
+    p = re.compile( '({|,)([a-z]+):(")')
+
+    # parse results
+    for result in dom.xpath('//div[@class="dg_u"]'):
+        link = result.xpath('./a')[0]
+
+        # parse yaml-data (it is required to add a space, to make it parsable)
+        yaml_data = load(p.sub( r'\1\2: \3', link.attrib.get('m')))
+ 
+        title = link.attrib.get('t1')
+        #url = 'http://' + link.attrib.get('t3')
+        url = yaml_data.get('surl')
+        img_src = yaml_data.get('imgurl')
+
+        # append result
+        results.append({'template': 'images.html',
+                        'url': url,
+                        'title': title,
+                        'content': '',  
+                        'img_src': img_src})
+
+        # TODO stop parsing if 10 images are found
+        if len(results) >= 10:
+            break
+
+    # return results
+    return results

searx/settings.yml

@@ -20,6 +20,11 @@ engines:
     locale : en-US
     shortcut : bi
 
+  - name : bing images
+    engine : bing_images
+    locale : en-US
+    shortcut : bii
+
   - name : bing news
     engine : bing_news
     locale : en-US