db.py 文件源码

def init(path):
    """Initialize the database, create missing tables."""
    db.init(path)

    try:
        migrator = playhouse.migrate.SqliteMigrator(db)
        playhouse.migrate.migrate(
            migrator.add_column(
                'ChannelConfig', 'gibber', peewee.BooleanField(null=True)))
    except peewee.OperationalError:
        pass

    db.connect()
    db.create_tables([
        Tell, Message, Quote, Memo,
        Subscriber, Restricted, Alert, ChannelConfig], safe=True)