Method state_forward

tortoise/migrations/operations.py:170–196

(self, app_label: str, state: State)

        return self._model

    def state_forward(self, app_label: str, state: State) -> None:
        model_state = ModelState.make_from_model(app_label, self.model)
        state.models[(app_label, self.name)] = model_state

        models_to_reload = {(app_label, self.name)}

        for field in model_state.fields.values():
            if not isinstance(field, DIRECT_RELATION_FIELDS):
                continue

            related_key = state.apps.split_reference(field.model_name)
            if related_key in state.models:
                models_to_reload.add(related_key)

        # Also find existing models that reference the newly created model.
        # This handles the case where a model with a FK was created before its
        # target (e.g. alphabetical ordering: Alert before Warehouse).
        new_model_ref = f"{app_label}.{self.name}"
        for key, existing_state in state.models.items():
            if key == (app_label, self.name):
                continue
            for field in existing_state.fields.values():
                if isinstance(field, DIRECT_RELATION_FIELDS) and field.model_name == new_model_ref:
                    models_to_reload.add(key)
                    break

        state.reload_models(models_to_reload)

    async def database_forward(
        self,