2021-05-13 21:40:25 +02:00
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# SPDX-License-Identifier: AGPL-3.0-or-later
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"""
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SQLite database (Offline)
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"""
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2021-05-13 21:47:38 +02:00
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# pylint: disable=missing-function-docstring
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2021-05-13 21:40:25 +02:00
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import sqlite3
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engine_type = 'offline'
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database = ""
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query_str = ""
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limit = 10
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paging = True
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result_template = 'key-value.html'
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def init(engine_settings):
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if 'query_str' not in engine_settings:
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raise ValueError('query_str cannot be empty')
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if not engine_settings['query_str'].lower().startswith('select '):
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raise ValueError('only SELECT query is supported')
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def search(query, params):
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query_params = {'query': query}
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query_to_run = query_str + ' LIMIT {0} OFFSET {1}'.format(limit, (params['pageno'] - 1) * limit)
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connection = sqlite3.connect(database)
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cur = connection.cursor()
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cur.execute(query_to_run, query_params)
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results = _fetch_results(cur)
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cur.close()
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connection.close()
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return results
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def _fetch_results(cur):
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results = []
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titles = [name for (name, _, _, _, _, _, _) in cur.description]
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res = cur.fetchone()
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while res:
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result = dict(zip(titles, map(str, res)))
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result['template'] = result_template
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results.append(result)
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res = cur.fetchone()
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return results
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