def list(self, prefix=None): return RigorS3Client.list(self, prefix)
def put(self, key, data): return RigorS3Client.put(self, key, data)
def delete(self, key): return RigorS3Client.delete(self, key)
def get(self, key, local_file=None): return RigorS3Client.get(self, key, local_file)