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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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# pylint: disable=missing-function-docstring
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"""MongoDB engine (Offline)
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"""
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import re
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from pymongo import MongoClient # pylint: disable=import-error
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engine_type = 'offline'
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# mongodb connection variables
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host = '127.0.0.1'
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port = 27017
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username = ''
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password = ''
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database = None
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collection = None
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key = None
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# engine specific variables
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paging = True
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results_per_page = 20
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exact_match_only = False
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result_template = 'key-value.html'
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_client = None
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def init(_):
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connect()
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def connect():
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global _client # pylint: disable=global-statement
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kwargs = { 'port': port }
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if username:
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kwargs['username'] = username
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if password:
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kwargs['password'] = password
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_client = MongoClient(host, **kwargs)[database][collection]
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def search(query, params):
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results = []
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if exact_match_only:
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q = { '$eq': query }
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else:
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_re = re.compile('.*{0}.*'.format(re.escape(query)), re.I | re.M )
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q = { '$regex': _re }
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query = _client.find(
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{key: q}
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).skip(
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( params['pageno'] -1 ) * results_per_page
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).limit(
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results_per_page
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)
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results.append({ 'number_of_results': query.count() })
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for r in query:
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del r['_id']
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r = { str(k):str(v) for k,v in r.items() }
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r['template'] = result_template
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results.append(r)
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return results
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