check for allow migrate

Author: jcarbaugh

django_add_default_value/add_default_value.py

@@ -72,6 +72,10 @@ def database_forwards(self, app_label, schema_editor, from_state, to_state):
         if not self.is_supported_vendor(schema_editor.connection.vendor):
             return
 
+        to_model = to_state.apps.get_model(app_label, self.model_name)
+        if not self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            return
+
         self.initialize_vendor_state(schema_editor)
 
         to_model = to_state.apps.get_model(app_label, self.model_name)
@@ -107,6 +111,10 @@ def database_backwards(self, app_label, schema_editor, from_state, to_state):
         if not self.is_supported_vendor(schema_editor.connection.vendor):
             return
 
+        to_model = to_state.apps.get_model(app_label, self.model_name)
+        if not self.allow_migrate_model(schema_editor.connection.alias, to_model):
+            return
+
         self.initialize_vendor_state(schema_editor)
 
         to_model = to_state.apps.get_model(app_label, self.model_name)