add_owner.py

from geonode.maps.models import Map, Layer
from django.contrib.auth.models import User

default_user = User.objects.all()[0]

for m in Map.objects.all():
    m.owner = default_user
    m.save()

for l in Layer.objects.all():
    l.owner = default_user
    m.save()

gistfile1.sh

source bin/activate
mv development.db src/GeoNode/capra
cd src/GeoNode/capra
./manage.py dumpdata maps --indent=4 >> mymaps.json
./manage.py reset maps
./manage.py shell
>>>import add_owner