def info(request, message, extra_tags='', fail_silently=False):
    add_message(request, constants.INFO, message, extra_tags=extra_tags,
                fail_silently=fail_silently)
Override create_db since there is no database just an XML file
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/contrib/messages/api.py/info--crossover with--dataset/ETHPy150Open weecology/retriever/engines/xmlengine.py/engine.create_db