text: import datetime
  import sqlalchemy
  from my_site.data.modelbase import SqlAlchemyBase
  
  
  class Download(SqlAlchemyBase):
      __tablename__ = 'downloads'
  
      id = sqlalchemy.Column(sqlalchemy.BigInteger, primary_key=True, autoincrement=True)
      created_date = sqlalchemy.Column(sqlalchemy.DateTime, default=datetime.datetime.now, index=True)
  
      package_id = sqlalchemy.Column(sqlalchemy.String, index=True)
      release_id = sqlalchemy.Column(sqlalchemy.BigInteger, index=True)
  
      ip_address = sqlalchemy.Column(sqlalchemy.String)
      user_agent = sqlalchemy.Column(sqlalchemy.String)
  