bagsy 0.14.0

A cli tool to help in the creation, conversion and sharing of rosbags

bagSy

bagSy (pronounced [bagzi]) is a python cli tool to help in the creation, conversion and sharing of rosbags.

It was created and is maintained by the SyRRo team at the U2IS Laboratory (ENSTA, Paris campus).

Installation

It is recommended to use pipx. With pipx, to install do pipx install bagsy.

Otherwise, you can install it in a python virtual environment.

Usage

• bagsy info [PATH ...] (alias: baginfo): Same as rosbag info without requiring installing ros on the system.
• bagsy convert PATH [-t topic_name ...] [-o output_folder] (alias: bagconvert): Convert rosbag to csv or raw files depending on the message type.
• bagsy config (alias: bagconfig): Get or set bagsy configuration values.
• bagsy record (alias: bagrecord): Record a bag with better monitor and metadata handling.
• bagsy login (alias: baglogin): Log in to a bagSyHub instance.
• bagsy push PATH (alias: bagpush): Push a bag to a bagSyHub instance.

Benchmarks

Computing checksums

Few checksum algorithms were benchmarked on a 72.9GiB bag file:

Algorithm	Time (s)	Speed (MB/s)
MD5	150.2	497.21
SHA-256	93.0	802.82
Blake2	145.7	512.41
Blake3	69.8	1070.22
Blake3 (with progress bar)	70.7	1056.76

[!NOTE]
This was benchmarked on computer with an i7 13th Gen CPU and an M.2 SSD.

Contributions & License

Contributions are welcomed, consider submitting issues and/or merge requests.

See LICENSE.