mmengine.fileio.generate_presigned_url¶

mmengine.fileio.generate_presigned_url(url, client_method='get_object', expires_in=3600, backend_args=None)[source]¶

Generate the presigned url of video stream which can be passed to mmcv.VideoReader. Now only work on Petrel backend.

Note

Now only work on Petrel backend.

Parameters

url (str) – Url of video stream.
client_method (str) – Method of client, ‘get_object’ or ‘put_object’. Defaults to ‘get_object’.
expires_in (int) – expires, in seconds. Defaults to 3600.
backend_args (dict, optional) – Arguments to instantiate the corresponding backend. Defaults to None.

Returns

Generated presigned url.

Return type

str