migrate existing data from Django to GeoNode

[pieterprovoost]

Options

• dumpdata and loaddata: https://docs.djangoproject.com/en/3.2/ref/django-admin/#dumpdata
• REST API: https://docs.geonode.org/en/master/devel/api/V2/index.html
• importlayers: https://docs.geonode.org/en/master/admin/mgmt_commands/index.html#management-command-importlayers

Test with importlayers

python manage.py importlayers import
System check identified some issues:

WARNINGS:
?: (urls.W005) URL namespace 'rest_framework' isn't unique. You may not be able to reverse all URLs in this namespace
/usr/local/lib/python3.8/site-packages/owslib/iso.py:118: FutureWarning: the .identification and .serviceidentification properties will merge into .identification being a list of properties.  This is currently implemented in .identificationinfo.  Please see https://github.com/geopython/OWSLib/issues/38 for more information
  warnings.warn(
/usr/local/lib/python3.8/site-packages/owslib/iso.py:561: FutureWarning: The .keywords and .keywords2 properties will merge into the .keywords property in the future, with .keywords becoming a list of MD_Keywords instances. This is currently implemented in .keywords2. Please see https://github.com/geopython/OWSLib/issues/301 for more information
  warnings.warn(
[created] Layer for 'import/belwind_concession/Belwind_concession_wgs84.shp' (1/1)

Finished processing 1 layers in 3.52 seconds.

1 Created layers
0 Updated layers
0 Skipped layers
0 Failed layers
3.518197 seconds per layer

To check

• Amend layers with custom commands: https://docs.djangoproject.com/en/3.2/howto/custom-management-commands/