Bugfixing: Always allow all operations when an empty recordset is passed

web_access_rule_buttons/models/models.py

@@ -22,7 +22,7 @@ class Base(models.AbstractModel):
             operations = ['read', 'create', 'write', 'unlink']
         result = {}
         for operation in operations:
-            if self.is_transient() and not self.ids:
+            if self.is_transient() or not self.ids:
                 # If we call check_access_rule() without id, it will try to
                 # run a SELECT without ID which will crash, so we just blindly
                 # allow the operations