Rosbag1 example needs update

Your Environment

Thank you for taking the time to report an issue.

To more efficiently resolve this issue, we'd like to know some basic information about your system and setup.

1. Your operating system: windows 11
2. Version of python you are running (python --version): Python 3.9.13
3. How did you install rosbags? Did you use pip to install from PyPI or a repository checkout or something else? pip
4. Version of rosbags you have installed (pip show rosbags | grep Version): 0.9.23

If you're having issues with (de)serialization of custom message types please include a copy of the following:

• Message definition files (msg or idl)
• The bytes of an example message

The Issue

i tried reading CompressedImage messages from a rosbag according to the example. it failed, until i replaced:

# Create a typestore and get the string class.
typestore = get_typestore(Stores.LATEST)

with:

# Create a typestore and get the string class.
typestore = get_typestore(Stores.ROS1_NOETIC)

"latest" loads ROS2 typestore, and one should use a ROS1 typestore.

please update the documentation. thanks!

Steps to Reproduce

reading a rosbag recorded in ROS Noetic

assigned to @chaoflow

@matan.nurick Thank you for the feedback - we'll fix the docs with the next release.

@matan.nurick You're on a quite old rosbags version, the latest available is 0.10.7 and a lot has happened since 0.9.23.

For reading bags please take a look at the highlevel AnyReader https://ternaris.gitlab.io/rosbags/topics/highlevel.html as it handles the typestore for you.

thanks.

this is what pip delivers on my setup, and as it works and i have to deploy tomorrow, i'm not going to fix that :)

This has landed in version 0.10.8

closed