有没有可以输出SQLAlchemy模型的数据库模型设计器？

I am implementing a database model to store the 20+ fields of the iCal calendar format and am faced with tediously typing in all these into an SQLAlchemy model.py file. Is there a smarter approach? I am looking for a GUI or model designer that can create the model.py file for me. I would specify the column names and some attributes, e.g, type, length, etc.I am implementing a database model to store the