Python flask_migrate 模块，MigrateCommand() 实例源码

def run():
    """Run the CLI manager for the web application

    .. todo:: allow extension add options & commands,
              separate create and run part of function
              command for checking config
    """
    manager = flask_script.Manager(create_app)
    manager.add_option('-c', '--config', dest='cfg_files',
                       required=False, action='append',
                       default=['DEFAULT'])
    manager.add_option('-v', '--version', action='version',
                       version='{} v{}'.format(PROG_NAME, VERSION))

    manager.add_command('db', flask_migrate.MigrateCommand)
    manager.add_command('db-create', DbCreateCommand)
    manager.add_command('repocheck', RepocheckCommand)
    manager.add_command('assign-role', AssignRoleCommand)
    manager.add_command('check-config', CheckConfigCommand)

    manager.run()

def init_app(self, app):
        self.app = app
        self.add_command('db', MigrateCommand)
        self.add_option('-e', '--env', dest='app_config', required=False)

def configure_manager():
    Migrate(app, db)
    manager.add_command('db', MigrateCommand)

def configure_manager():
    Migrate(app, db)
    manager.add_command('db', MigrateCommand)

def configure_manager():
    """
    ?????????????
    """
    Migrate(app, db)
    manager.add_command('db', MigrateCommand)