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Refactor read_preference to accept a dictionary instead of a ReadPreference instance.

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This commit is contained in:
Agustin Barto 2020-03-17 21:28:08 -03:00
parent 4c62a060f0
commit af35b25d15
1 changed files with 5 additions and 3 deletions
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8
mongoengine/queryset/base.py
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@ -5,6 +5,8 @@ import itertools
import re
import warnings
from collections.abc import Mapping
from bson import SON, json_util
from bson.code import Code
import pymongo
@ -1221,11 +1223,11 @@ class BaseQuerySet(object):
:param read_concern: override ReplicaSetConnection-level
preference.
"""
if read_concern is not None and not isinstance(read_concern, ReadConcern):
raise TypeError("%r is not a read concern." % (read_concern,))
if read_concern is not None and not isinstance(read_concern, Mapping):
raise TypeError("%r is not a valid read concern." % (read_concern,))
queryset = self.clone()
queryset._read_concern = read_concern
queryset._read_concern = ReadConcern(**read_concern)
queryset._cursor_obj = None # we need to re-create the cursor object whenever we apply read_concern
return queryset