[enh] new engine: openstreetmap

searx/engines/openstreetmap.py

+## OpenStreetMap (Map)
+#
+# @website     https://openstreetmap.org/
+# @provide-api yes (http://wiki.openstreetmap.org/wiki/Nominatim)
+#
+# @using-api   yes
+# @results     JSON
+# @stable      yes
+# @parse       url, title
+
+from json import loads
+
+# engine dependent config
+categories = ['map']
+paging = False
+
+# search-url
+url = 'https://nominatim.openstreetmap.org/search/{query}?format=json'
+
+result_base_url = 'https://openstreetmap.org/{osm_type}/{osm_id}'
+
+
+# do search-request
+def request(query, params):
+    params['url'] = url.format(query=query)
+
+    return params
+
+
+# get response from search-request
+def response(resp):
+    results = []
+    json = loads(resp.text)
+
+    # parse results
+    for r in json:
+        title = r['display_name']
+        osm_type = r.get('osm_type', r.get('type'))
+        url = result_base_url.format(osm_type=osm_type,
+                                     osm_id=r['osm_id'])
+        # append result
+        results.append({'title': title,
+                        'content': '',
+                        'url': url})
+
+    # return results
+    return results