Refactor "ready" state into a function

InvenTree/users/apps.py

@@ -5,21 +5,25 @@ from django.db.utils import OperationalError, ProgrammingError
 
 from django.apps import AppConfig
 
+from InvenTree.ready import canAppAccessDatabase
+
 
 class UsersConfig(AppConfig):
     name = 'users'
 
     def ready(self):
 
-        try:
-            self.assign_permissions()
-        except (OperationalError, ProgrammingError):
-            pass
+        if canAppAccessDatabase():
 
-        try:
-            self.update_owners()
-        except (OperationalError, ProgrammingError):
-            pass
+            try:
+                self.assign_permissions()
+            except (OperationalError, ProgrammingError):
+                pass
+
+            try:
+                self.update_owners()
+            except (OperationalError, ProgrammingError):
+                pass
 
     def assign_permissions(self):
 

InvenTree/users/models.py

@@ -13,7 +13,8 @@ from django.dispatch import receiver
 from django.db.models.signals import post_save, post_delete
 
 import logging
-import sys
+
+from InvenTree.ready import canAppAccessDatabase
 
 
 logger = logging.getLogger("inventree")
@@ -271,12 +272,7 @@ def update_group_roles(group, debug=False):
 
     """
 
-    if 'loaddata' in sys.argv:
-        """
-        In the case that we are importing records,
-        *do not* update group roles:
-        This will cause conflicts in the database!
-        """
+    if not canAppAccessDatabase():
         return
 
     # List of permissions already associated with this group