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add QuerySet case in ListSerializer.to_representation method

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This commit is contained in:
Luis Saavedra 2022-09-01 18:09:09 -04:00
parent 54d52c66fd
commit d74d206bc4
1 changed files with 12 additions and 3 deletions
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15
rest_framework/serializers.py
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@ -679,9 +679,18 @@ class ListSerializer(BaseSerializer):
"""
List of object instances -> List of dicts of primitive datatypes.
"""
# Dealing with nested relationships, data can be a Manager,
# so, first get a queryset from the Manager if needed
iterable = data.all() if isinstance(data, models.Manager) else data
# check for additional instance attributes
reload_queryset_class = (models.Manager,)
if isinstance(data, models.QuerySet):
for qs_first in data:
if qs_first.__class__().__dict__.keys() == qs_first.__dict__.keys():
reload_queryset_class.append(models.QuerySet)
break
# Dealing with nested relationships, data can be a Manager or a QuerySet,
# so, first get a queryset from the Manager/QuerySet if needed
iterable = data.all() if isinstance(data, reload_queryset_class) else data
return [
self.child.to_representation(item) for item in iterable