0.0.15 block plugin

GeneralApp/validators.py

@@ -0,0 +1,8 @@
+import os
+from django.core.exceptions import ValidationError
+
+def validate_file_extension(value):
+    ext = os.path.splitext(value.name)[1]
+    valid_extensions = ['.jpg', '.jpeg', '.png', '.svg']
+    if not ext.lower() in valid_extensions:
+        raise ValidationError('Unsupported file extension.')