[fix] fixes google play engines and adds thumbnails to their results (#1612)

fix google play apps, google play apps, google play music engines

xpath engine: thumbnail_xpath can define an optional thumbnail

1 files changed, 16 insertions, 2 deletions

diff --git a/searx/engines/xpath.py b/searx/engines/xpath.py
index 50f98d935..a5f30d86d 100644
--- a/searx/engines/xpath.py
+++ b/searx/engines/xpath.py
@@ -7,6 +7,7 @@ search_url = None
 url_xpath = None
 content_xpath = None
 title_xpath = None
+thumbnail_xpath = False
 paging = False
 suggestion_xpath = ''
 results_xpath = ''
@@ -40,7 +41,9 @@ def extract_text(xpath_results):
         return ''.join(xpath_results)
     else:
         # it's a element
-        text = html.tostring(xpath_results, encoding='unicode', method='text', with_tail=False)
+        text = html.tostring(
+            xpath_results, encoding='unicode', method='text', with_tail=False
+        )
         text = text.strip().replace('\n', ' ')
         return ' '.join(text.split())
 
@@ -105,7 +108,18 @@ def response(resp):
             url = extract_url(result.xpath(url_xpath), search_url)
             title = extract_text(result.xpath(title_xpath))
             content = extract_text(result.xpath(content_xpath))
-            results.append({'url': url, 'title': title, 'content': content})
+            tmp_result = {'url': url, 'title': title, 'content': content}
+
+            # add thumbnail if available
+            thumbnail = None
+            if thumbnail_xpath:
+                thumbnail = extract_url(
+                    result.xpath(thumbnail_xpath), search_url
+                )
+            if thumbnail:
+                tmp_result['img_src'] = thumbnail
+
+            results.append(tmp_result)
     else:
         for url, title, content in zip(
             (extract_url(x, search_url) for