Refactor

As all points from the epic refactor issue are closed #47 (closed) I am merging this in to master in order to unblock development.

backend/delbert.py

 import argparse
 import csv
+import json
 import os
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'grady.settings')
 import secrets
 import sys
-import json
 
 import django
-django.setup()
-
 from django.contrib.auth.models import User
 
-from core.models import Student, Submission
 import util.importer
+from core.models import Student, Submission
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'grady.settings')
+
+django.setup()
+
 
 def parseme():
     parser      = argparse.ArgumentParser()
@@ -81,7 +83,7 @@ def parseme():
     return parser.parse_args()
 
 
-def handle_passwordlist(output=sys.stdout, instance="", **kwargs):
+def handle_passwordlist(output=sys.stdout, instance=""):
     with open('/usr/share/dict/words') as words:
         choose_from = list({word.strip().lower()
                             for word in words if 5 < len(word) < 8})
@@ -99,7 +101,7 @@ def handle_passwordlist(output=sys.stdout, instance="", **kwargs):
                          student.user.username, password, instance])
 
 
-def handle_enableusers(switch, exclude, include, **kwargs):
+def handle_enableusers(switch, exclude, include):
 
     if include:
         for user in User.objects.filter(username__in=include):
@@ -111,7 +113,7 @@ def handle_enableusers(switch, exclude, include, **kwargs):
             user.save()
 
 
-def handle_replaceusernames(matno2username_dict, **kwargs):
+def handle_replaceusernames(matno2username_dict):
     matno2username = json.JSONDecoder().decode(matno2username_dict.read())
     for student in Student.objects.all():
         if student.matrikel_no in matno2username:
@@ -120,12 +122,12 @@ def handle_replaceusernames(matno2username_dict, **kwargs):
             student.user.save()
 
 
-def handle_extractsubmissions(output, **kwargs):
+def handle_extractsubmissions():
     for submission in Submission.objects.filter(feedback__isnull=False).order_by('type'):
         print(submission.feedback.score, repr(submission.text), file=open(str(submission.type).replace(' ', '_'), 'a'))
 
 
-def handle_importer(**kwargs):
+def handle_importer():
     util.importer.start()
 
 def main():