backend.py 文件源码

def exists(self, name):
        name = self._normalize_name(name)
        try:
            self.bucket.stat_object(name)
        except Error, e:
            if e[0] == 404:
                return False
            raise
        return True

    #def listdir(self, path):
    #    path = self._normalize_name(path)
    #    try:
    #        result = self.bucket.list(path=path)
    #        return [i.name for i in result]
    #    except Error, e:
    #        raise IOError('Storage Error: %s' % e.args)