1 files changed, 99 insertions, 0 deletions
diff --git a/searx/engines/yacy.py b/searx/engines/yacy.py
new file mode 100644
index 0000000..a62a129
--- /dev/null
+++ b/searx/engines/yacy.py
@@ -0,0 +1,99 @@
+# Yacy (Web, Images, Videos, Music, Files)
+#
+# @website     http://yacy.net
+# @provide-api yes
+#              (http://www.yacy-websuche.de/wiki/index.php/Dev:APIyacysearch)
+#
+# @using-api   yes
+# @results     JSON
+# @stable      yes
+# @parse       (general)    url, title, content, publishedDate
+# @parse       (images)     url, title, img_src
+#
+# @todo        parse video, audio and file results
+
+from json import loads
+from dateutil import parser
+from searx.url_utils import urlencode
+
+from searx.utils import html_to_text
+
+# engine dependent config
+categories = ['general', 'images']  # TODO , 'music', 'videos', 'files'
+paging = True
+language_support = True
+number_of_results = 5
+
+# search-url
+base_url = 'http://localhost:8090'
+search_url = '/yacysearch.json?{query}'\
+             '&startRecord={offset}'\
+             '&maximumRecords={limit}'\
+             '&contentdom={search_type}'\
+             '&resource=global'
+
+# yacy specific type-definitions
+search_types = {'general': 'text',
+                'images': 'image',
+                'files': 'app',
+                'music': 'audio',
+                'videos': 'video'}
+
+
+# do search-request
+def request(query, params):
+    offset = (params['pageno'] - 1) * number_of_results
+    search_type = search_types.get(params.get('category'), '0')
+
+    params['url'] = base_url +\
+        search_url.format(query=urlencode({'query': query}),
+                          offset=offset,
+                          limit=number_of_results,
+                          search_type=search_type)
+
+    # add language tag if specified
+    if params['language'] != 'all':
+        params['url'] += '&lr=lang_' + params['language'].split('-')[0]
+
+    return params
+
+
+# get response from search-request
+def response(resp):
+    results = []
+
+    raw_search_results = loads(resp.text)
+
+    # return empty array if there are no results
+    if not raw_search_results:
+        return []
+
+    search_results = raw_search_results.get('channels', [])
+
+    if len(search_results) == 0:
+        return []
+
+    for result in search_results[0].get('items', []):
+        # parse image results
+        if result.get('image'):
+            # append result
+            results.append({'url': result['url'],
+                            'title': result['title'],
+                            'content': '',
+                            'img_src': result['image'],
+                            'template': 'images.html'})
+
+        # parse general results
+        else:
+            publishedDate = parser.parse(result['pubDate'])
+
+            # append result
+            results.append({'url': result['link'],
+                            'title': result['title'],
+                            'content': html_to_text(result['description']),
+                            'publishedDate': publishedDate})
+
+        # TODO parse video, audio and file results
+
+    # return results
+    return results