Makemigration command now works

django/db/migrations/operations/base.py

@@ -54,3 +54,9 @@ class Operation(object):
         drop the model's table.
         """
         raise NotImplementedError()
+
+    def describe(self):
+        """
+        Outputs a brief summary of what the action does.
+        """
+        return "%s: %s" % (self.__class__.__name__, self._constructor_args)

django/db/migrations/operations/fields.py

@@ -23,6 +23,9 @@ class AddField(Operation):
         from_model = from_state.render().get_model(app_label, self.model_name)
         schema_editor.remove_field(from_model, from_model._meta.get_field_by_name(self.name)[0])
 
+    def describe(self):
+        return "Add field %s to %s" % (self.name, self.model_name)
+
 
 class RemoveField(Operation):
     """
@@ -48,3 +51,6 @@ class RemoveField(Operation):
         from_model = from_state.render().get_model(app_label, self.model_name)
         to_model = to_state.render().get_model(app_label, self.model_name)
         schema_editor.add_field(from_model, to_model._meta.get_field_by_name(self.name)[0])
+
+    def describe(self):
+        return "Remove field %s from %s" % (self.name, self.model_name)

django/db/migrations/operations/models.py

@@ -25,6 +25,9 @@ class CreateModel(Operation):
         app_cache = from_state.render()
         schema_editor.delete_model(app_cache.get_model(app, self.name))
 
+    def describe(self):
+        return "Create model %s" % (self.name, )
+
 
 class DeleteModel(Operation):
     """
@@ -44,3 +47,6 @@ class DeleteModel(Operation):
     def database_backwards(self, app_label, schema_editor, from_state, to_state):
         app_cache = to_state.render()
         schema_editor.create_model(app_cache.get_model(app_label, self.name))
+
+    def describe(self):
+        return "Delete model %s" % (self.name, )