- Download newest core.zip from http://unicode.org/Public/cldr/
- Unzip in cldr_countries directory
- Run the following commands to initialize the cldr_countries application:

./cldr_territories_en_to_py.py > data.py

- Run the following commands to create a swiss german translation:

mkdir locale
django-admin.py makemessages -l de
./cldr_territories_to_po.py de de_CH > locale/de/LC_MESSAGES/django.po
django-admin.py compilemessages