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