airflow/www/api/experimental/endpoints.py
def get_dag_code(dag_id):
    """Return python code of a given dag_id."""
    try:
        return get_code(dag_id)
    except AirflowException as err:
        _log.info(err)
        response = jsonify(error="{}".format(err))
        response.status_code = err.status_code
        return response
def get_dag_code(dag_id):
    """Return python code of a given dag_id."""
    try:
        return get_code(dag_id)
    except AirflowException as err:
        _log.info(err)
        response = jsonify(error="{}".format(err))
        response.status_code = err.status_code
        return response
Return python code of a given dag_id.