Method _get_app

celery/canvas.py:2351–2362

(self, body=None)

        return self._get_app(self.body)

    def _get_app(self, body=None):
        app = self._app
        if app is None:
            try:
                tasks = self.tasks.tasks  # is a group
            except AttributeError:
                tasks = self.tasks
            if tasks:
                app = tasks[0]._app
            if app is None and body is not None:
                app = body._app
        return app if app is not None else current_app

    tasks = getitem_property('kwargs.header', 'Tasks in chord header.')
    body = getitem_property('kwargs.body', 'Body task of chord.')