__init__.py 文件源码

def load_controllers():
    controllers = []
    path = os.path.split(__file__)[0]
    for fname in os.listdir(path):
        mod, ext = os.path.splitext(fname)
        fname = os.path.join(path, fname)
        if os.path.isfile(fname) and ext == '.py' and not mod.startswith('_'):
            try:
                exec "import " + mod + " as controller"
            except:
                import traceback
                logger.error(traceback.format_exc())

            for c in dir(controller):
                cls = getattr(controller, c)

                if not c.startswith('_') and isclass(cls) and issubclass(cls, Controller) and Controller != cls:
                    controllers.append(cls)
    return controllers