A small demo of DRF issue 3219 that might cause dataloss in a multipart PATCH request when a nested serializer is present.
The Demo has a "Startup" class because that was the one present in my larger project where I discovered this issue.
The issue itself is described at the link above, and on the code level see: https://github.com/elnygren/drf-issue-3219/blob/master/DRFerror/views.py#L33
Short description of the problem:
- see the
views.pyabove first - validated_data is populated with an empty OrderedDict() object for
admin - serializer.save() is usually implemented in a way that could then null this relationship to
adminas an OrderedDict is not a admin object, but an empty object. - like described at the link, this issue could be present in other DRF Fields.
Dependencies
- Python 3.4.3
- requirements.txt:
- Django 1.7.4
- Django Rest Framework 3.1.3
- Pillow (for file uploads)
Database state:
- create a root user and another user
- see dumpdata for Startup
PATCH request:
