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Issue #373 : Fix bug with get_real_instances on empty base_result_objects

fix_request_path_info
gtors 2019-01-30 14:36:21 +03:00 committed by Diederik van der Boor
parent 26fac56e31
commit f06a02a3d0
2 changed files with 9 additions and 1 deletions
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2
polymorphic/query.py
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@ -474,7 +474,7 @@ class PolymorphicQuerySet(QuerySet):
:rtype: PolymorphicQuerySet :rtype: PolymorphicQuerySet
""" """
"same as _get_real_instances, but make sure that __repr__ for ShowField... creates correct output" "same as _get_real_instances, but make sure that __repr__ for ShowField... creates correct output"
if not base_result_objects: if base_result_objects is None:
base_result_objects = self base_result_objects = self
olist = self._get_real_instances(base_result_objects) olist = self._get_real_instances(base_result_objects)
if not self.model.polymorphic_query_multiline_output: if not self.model.polymorphic_query_multiline_output:

8
polymorphic/tests/test_orm.py
View File

@ -332,6 +332,14 @@ class PolymorphicTests(TransactionTestCase):
transform=lambda o: o.__class__, transform=lambda o: o.__class__,
) )
# from empty list
objects = Model2A.objects.get_real_instances([])
self.assertQuerysetEqual(
objects,
[],
transform=lambda o: o.__class__,
)
def test_translate_polymorphic_q_object(self): def test_translate_polymorphic_q_object(self):
self.create_model2abcd() self.create_model2abcd()