from peewee import * from playhouse.migrate import SqliteMigrator, migrate from spiderweb.db import SpiderwebModel db = SqliteDatabase("people.db") migrator = SqliteMigrator(db) class Person(SpiderwebModel): name = CharField() birthday = DateField() class Meta: database = db # This model uses the "people.db" database. class Pet(SpiderwebModel): owner = ForeignKeyField(Person, backref="pets") name = CharField(max_length=40) animal_type = CharField() age = IntegerField(null=True) favorite_color = CharField(null=True) class Meta: database = db # this model uses the "people.db" database if __name__ == "__main__": db.connect() Pet.check_for_needed_migration() # try: # Pet.check_for_needed_migration() # except: # migrate( # migrator.add_column( # Pet._meta.table_name, 'favorite_color', CharField(null=True) # ), # ) db.create_tables([Person, Pet])