@@ -0,0 +1,50 @@
1+# SPDX-License-Identifier: AGPL-3.0-or-later
2+"""
3+ SQLite database (Offline)
4+"""
5+
6+import sqlite3
7+
8+engine_type = 'offline'
9+database = ""
10+query_str = ""
11+limit = 10
12+paging = True
13+result_template = 'key-value.html'
14+
15+
16+def init(engine_settings):
17+ if 'query_str' not in engine_settings:
18+ raise ValueError('query_str cannot be empty')
19+
20+ if not engine_settings['query_str'].lower().startswith('select '):
21+ raise ValueError('only SELECT query is supported')
22+
23+
24+def search(query, params):
25+ query_params = {'query': query}
26+ query_to_run = query_str + ' LIMIT {0} OFFSET {1}'.format(limit, (params['pageno'] - 1) * limit)
27+
28+ connection = sqlite3.connect(database)
29+ cur = connection.cursor()
30+ cur.execute(query_to_run, query_params)
31+ results = _fetch_results(cur)
32+ cur.close()
33+ connection.close()
34+
35+ return results
36+
37+
38+def _fetch_results(cur):
39+ results = []
40+ titles = [name for (name, _, _, _, _, _, _) in cur.description]
41+
42+ res = cur.fetchone()
43+ while res:
44+ result = dict(zip(titles, map(str, res)))
45+ result['template'] = result_template
46+ results.append(result)
47+ res = cur.fetchone()
48+
49+ return results
50+