Handle more caching exception pathways (#6678)

InvenTree/common/models.py

@@ -226,9 +226,12 @@ class BaseInvenTreeSetting(models.Model):
         """
         cache_key = f'BUILD_DEFAULT_VALUES:{str(cls.__name__)}'
 
+        try:
             if InvenTree.helpers.str2bool(cache.get(cache_key, False)):
                 # Already built default values
                 return
+        except Exception:
+            pass
 
         try:
             existing_keys = cls.objects.filter(**kwargs).values_list('key', flat=True)
@@ -251,7 +254,10 @@ class BaseInvenTreeSetting(models.Model):
             )
             pass
 
+        try:
             cache.set(cache_key, True, timeout=3600)
+        except Exception:
+            pass
 
     def _call_settings_function(self, reference: str, args, kwargs):
         """Call a function associated with a particular setting.

InvenTree/common/settings.py

@@ -34,7 +34,10 @@ def currency_code_default():
         code = 'USD'  # pragma: no cover
 
     # Cache the value for a short amount of time
+    try:
         cache.set('currency_code_default', code, 30)
+    except Exception:
+        pass
 
     return code
 

InvenTree/users/models.py

@@ -748,7 +748,11 @@ def check_user_role(user, role, permission):
                     break
 
     # Save result to cache
+    try:
         cache.set(key, result, timeout=3600)
+    except Exception:
+        pass
+
     return result