Add management command for import.

biscuit/apps/untis/management/commands/untis_import.py

+from django.core.management.base import BaseCommand
+from django.utils.translation import gettext as _
+
+from ...util import untis_import_xml
+
+
+class Command(BaseCommand):
+    def add_arguments(self, parser):
+        parser.add_argument('untis_xml_path', help=_(
+            'Path to Untis XML export file'))
+
+    def handle(self, *args, **options):
+        untis_xml = open(options['untis_xml_path'], 'rb')
+
+        untis_import_xml(None, untis_xml)

biscuit/apps/untis/util.py

 from datetime import date, time
 from xml.dom import minidom
 
-from django.contrib import messages
 from django.utils.translation import ugettext_lazy as _
 
 from biscuit.apps.cambro.models import Room
 from biscuit.apps.chronos.models import Subject, TimePeriod, Lesson
 from biscuit.core.models import Group, Person
+from biscuit.core.util import messages
 
 
 def get_child_node_text(node, tag):

setup.py

@@ -9,7 +9,8 @@ setup(
     author="Teckids e.V.",
     author_email="verein@teckids.org",
     packages=[
-        'biscuit.apps.untis'
+        'biscuit.apps.untis',
+        'biscuit.apps.untis.management.commands'
     ],
     namespace_packages=[
         'biscuit',