@@ -0,0 +1,48 @@
1+from lxml import etree
2+from requests import get
3+from json import loads
4+
5+
6+def dbpedia(query):
7+ # dbpedia autocompleter
8+ autocomplete_url = 'http://lookup.dbpedia.org/api/search.asmx/KeywordSearch?QueryString={q}' # noqa
9+
10+ response = get(autocomplete_url.format(q=query))
11+
12+ results = []
13+
14+ if response.ok:
15+ dom = etree.fromstring(response.content)
16+ results = dom.xpath('//a:Result/a:Label//text()',
17+ namespaces={'a': 'http://lookup.dbpedia.org/'})
18+
19+ return results
20+
21+
22+def google(query):
23+ # google autocompleter
24+ autocomplete_url = 'http://suggestqueries.google.com/complete/search?client=toolbar&q={q}' # noqa
25+
26+ response = get(autocomplete_url.format(q=query))
27+
28+ results = []
29+
30+ if response.ok:
31+ dom = etree.fromstring(response.content)
32+ results = dom.xpath('//suggestion/@data')
33+
34+ return results
35+
36+
37+def wikipedia(query):
38+ # wikipedia autocompleter
39+ url = 'https://en.wikipedia.org/w/api.php?action=opensearch&search={q}&limit=10&namespace=0&format=json' # noqa
40+
41+ resp = loads(get(url.format(q=query)).text)
42+ return resp[1]
43+
44+
45+backends = {'dbpedia': dbpedia,
46+ 'google': google,
47+ 'wikipedia': wikipedia
48+ }