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parse read_preference from conn_host #1665

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This commit is contained in:
Erdenezul Batmunkh 2017-10-02 22:46:27 +08:00
parent a1494c4c93
commit 2f075be6f8
2 changed files with 16 additions and 0 deletions
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11
mongoengine/connection.py
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@ -103,6 +103,17 @@ def register_connection(alias, name=None, host=None, port=None,
conn_settings['authentication_source'] = uri_options['authsource'] conn_settings['authentication_source'] = uri_options['authsource']
if 'authmechanism' in uri_options: if 'authmechanism' in uri_options:
conn_settings['authentication_mechanism'] = uri_options['authmechanism'] conn_settings['authentication_mechanism'] = uri_options['authmechanism']
if 'readpreference' in uri_options:
read_preferences = (ReadPreference.NEAREST,
ReadPreference.PRIMARY,
ReadPreference.PRIMARY_PREFERRED,
ReadPreference.SECONDARY,
ReadPreference.SECONDARY_PREFERRED)
read_pf_mode = uri_options['readpreference']
for preference in read_preferences:
if preference.mode == read_pf_mode:
conn_settings['read_preference'] = preference
break
else: else:
resolved_hosts.append(entity) resolved_hosts.append(entity)
conn_settings['host'] = resolved_hosts conn_settings['host'] = resolved_hosts

5
tests/test_connection.py
View File

@ -364,6 +364,11 @@ class ConnectionTest(unittest.TestCase):
date_doc = DateDoc.objects.first() date_doc = DateDoc.objects.first()
self.assertEqual(d, date_doc.the_date) self.assertEqual(d, date_doc.the_date)
def test_read_preference_from_parse(self):
from pymongo import ReadPreference
conn = connect(host="mongodb://a1.vpc,a2.vpc,a3.vpc/prod?readPreference=secondaryPreferred")
self.assertEqual(conn.read_preference, ReadPreference.SECONDARY_PREFERRED)
def test_multiple_connection_settings(self): def test_multiple_connection_settings(self):
connect('mongoenginetest', alias='t1', host="localhost") connect('mongoenginetest', alias='t1', host="localhost")