util.py 文件源码

def import_func(path):
    i = path.rfind('.')
    module, attr = path[:i], path[i+1:]
    try:
        mod = import_module(module)
    except ImportError, e:
        raise ImproperlyConfigured('Error importing module %s: "%s"'
                                   % (module, e))
    try:
        func = getattr(mod, attr)
    except AttributeError:
        raise ImproperlyConfigured(
            'Module "%s" does not define a "%s" callable function'
            % (module, attr))

    return func