Markov: add a permission for importing from a log

markov/models.py

@@ -49,6 +49,9 @@ class MarkovState(models.Model):
     context = models.ForeignKey(MarkovContext)
 
     class Meta:
+        permissions = {
+            ('import_log_file', "Can import states from a log file"),
+        }
         unique_together = ('context', 'k1', 'k2', 'v')
 
     def __unicode__(self):

markov/views.py

@@ -5,6 +5,7 @@ markov/views.py --- manipulate markov data
 
 import logging
 
+from django.contrib.auth.decorators import permission_required
 from django.http import HttpResponse
 from django.shortcuts import render
 
@@ -21,6 +22,7 @@ def index(request):
     return HttpResponse()
 
 
+@permission_required('import_log_file', raise_exception=True)
 def import_file(request):
     """Accept a file upload and turn it into markov stuff.