add minimal working example of django-guardian

network_inventory/inventory/models.py

@@ -190,7 +190,9 @@ class Computer(Device):
 
     class Meta:
         ordering = ['ip']
-
+        permissions = (
+            ('view_computer', 'Can view computer'),
+        )
 
 class ComputerDiskRelation(models.Model):
     disk = models.ForeignKey(Disk, on_delete=models.CASCADE)

network_inventory/inventory/views.py

@@ -1,5 +1,6 @@
 from django.shortcuts import get_object_or_404, render
 from django.views.generic import ListView
+from guardian.shortcuts import get_objects_for_user
 from .models import (GeneralDevice, Computer, CronJob,
                      ComputerRamRelation,
                      ComputerDiskRelation,
@@ -36,6 +37,12 @@ class ComputerList(ListView):
     model = Computer
     template_name = 'inventory/computer_list.html'
 
+    def get_queryset(self):
+        queryset = get_objects_for_user(self.request.user, 'inventory.view_computer', klass=Computer)
+        #return super().get_queryset()
+        return queryset
+
+
 
 class CronJobList(ListView):
     model = CronJob

network_inventory/network_inventory/settings.py

@@ -40,7 +40,8 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
-    'inventory.apps.InventoryConfig'
+    'inventory.apps.InventoryConfig',
+    'guardian',
 ]
 
 MIDDLEWARE = [
@@ -102,6 +103,10 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
+AUTHENTICATION_BACKENDS = (
+    'django.contrib.auth.backends.ModelBackend', # this is default
+    'guardian.backends.ObjectPermissionBackend',
+)
 
 # Internationalization
 # https://docs.djangoproject.com/en/2.0/topics/i18n/

requirements.txt

@@ -3,3 +3,4 @@ Django==2.0
 pyaml
 pytz
 psycopg2
+django-guardian