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allow manually specifying a parent if auto resolution won't work #36

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allow manually specifying a parent if auto resolution won't work #36

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16 changes: 10 additions & 6 deletions rest_framework_recursive/fields.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,20 +87,24 @@ def proxied(self):

if hasattr(parent, 'child') and parent.child is self:
# RecursiveField nested inside of a ListField
parent_class = parent.parent.__class__
resolved_parent = parent.parent
else:
# RecursiveField directly inside a Serializer
parent_class = parent.__class__

assert issubclass(parent_class, BaseSerializer)
resolved_parent = parent

if self.to is None:
proxied_class = parent_class
assert isinstance(resolved_parent, BaseSerializer)
proxied_class = resolved_parent.__class__
else:
try:
module_name, class_name = self.to.rsplit('.', 1)
except ValueError:
module_name, class_name = parent_class.__module__, self.to
assert resolved_parent, (
'Could not automatically determine a parent '
'class, specify a dotted to= path'
)
module_name = resolved_parent.__class__.__module__
class_name = self.to

try:
proxied_class = getattr(
Expand Down