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Merge pull request #1668 from erdenezul/read_preference_parse

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parse read_preference from conn_host #1665
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erdenezul 2018-09-04 21:58:31 +08:00 committed by GitHub
commit 032ace40d1
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2 changed files with 18 additions and 0 deletions
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12
mongoengine/connection.py
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@ -104,6 +104,18 @@ def register_connection(alias, db=None, name=None, host=None, port=None,
conn_settings['authentication_source'] = uri_options['authsource']
if 'authmechanism' in uri_options:
conn_settings['authentication_mechanism'] = uri_options['authmechanism']
if IS_PYMONGO_3 and 'readpreference' in uri_options:
read_preferences = (
ReadPreference.NEAREST,
ReadPreference.PRIMARY,
ReadPreference.PRIMARY_PREFERRED,
ReadPreference.SECONDARY,
ReadPreference.SECONDARY_PREFERRED)
read_pf_mode = uri_options['readpreference'].lower()
for preference in read_preferences:
if preference.name.lower() == read_pf_mode:
conn_settings['read_preference'] = preference
break
else:
resolved_hosts.append(entity)
conn_settings['host'] = resolved_hosts

6
tests/test_connection.py
View File

@ -364,6 +364,12 @@ class ConnectionTest(unittest.TestCase):
date_doc = DateDoc.objects.first()
self.assertEqual(d, date_doc.the_date)
def test_read_preference_from_parse(self):
if IS_PYMONGO_3:
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):
connect('mongoenginetest', alias='t1', host="localhost")