def handle(self, *args, **kwargs):
     importer = Importer(
         uri='https://%s:%[email protected]/tools/ws/sms/patients/server.php' % (
             Setting.objects.get(name='THERAPYEDGE_USERNAME').value,
             Setting.objects.get(name='THERAPYEDGE_PASSWORD').value
         ),
         verbose=settings.DEBUG
     )
     for clinic in Clinic.objects.filter(active=True):
         # from midnight
         midnight = datetime.now().replace(
             hour=0,
             minute=0,
             second=0,
             microsecond=0
         )
         since = midnight - timedelta(days=1)
         # until 30 days later
         until = midnight + timedelta(days=30)
         print clinic.name, 'from', since, 'until', until
         try:
             for key, value in importer.import_all_changes(
                     User.objects.get(username='******'),
                     clinic, 
                     since=since,
                     until=until
                 ).items():
                 print "\t%s: %s" % (key, len(value))
         except ExpatError, e:
             print "Exception during processing XML for clinic ", clinic
             traceback.print_exc()