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When trying to debug Python nodes, I can’t get Vscode-ROS to attach to a running node.

I did what is suggested here:
https://github.com/ms-iot/vscode-ros/blob/master/doc/debug-support.md

  • Start roscore in one terminal
  • Start my node in another terminal via rosrun beginner_tutorials talker.py (just the publisher from this tutorial: http://wiki.ros.org/ROS/Tutorials/ExaminingPublisherSubscriber)
  • Select a break point in the file I want to debug
  • Create a simple launch configuration in VSCode and run it

Then, nothing more happens. I’ve also set the -DCMAKE_BUILD_TYPE=Debug flag when building with catkin_make, but I assume that’s just for C++?

2

Answers


  1. While you can use the ROS: attach command from the command pallet (ctrl-shift-p), "F5" debugging in VSCode ROS extension is designed to work with ROS launch files.

    Here’s a video on how to work with VSCode ROS extension and Python – https://www.youtube.com/watch?v=A6ABRdL0ckg&list=PL2dJBq8ig-vihvDVw-D5zAYOArTMIX0FA&index=6.

    Hope that helps!

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  2. I had the same issue, so I was forced to use a "launch" request.

        {
            "name": "ROS: some_node",
            "type": "ros",
            "request": "launch",
            "target": "/path/to/launch/file"
        },
    

    I know this is not convenient, but if you can write your nodes in a way that can be started and stopped at any moment, you should be OK with this approach.

    On the other hand, attaching the C++ node is working fine.

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