Is there an extension that adds debugger capability to Jupyter Lab 4.0.11? I read about a Xeus kernel that has to be used but the documentation there says it can cause conflicts if you have the full Anaconda distribution installed.

I have the debugger working with my program now! I found this kernel configuration JSON file: C:\Users\miket\anaconda3\share\jupyter\kernels\python3\kernel.json and it had: “metadata”: { “debugger”: false } I changed it to ‘true’ and now the debugger is working. (I like the way it adds new v…

See the bottom of my post here covering that the visual debugger is built in to JupyterLab now and that ipykernel, the typical Python kernel everyone uses, works with it now. There’s links there to resources supporting this.

I entered the following commands to enable debugging. Now in Jupyter Lab the debugger icon is seen (at the upper right next to “ipykernel” ) but it is greyed out: conda create -n jupyterlab-debugger -c conda-forge jupyterlab=4 “ipykernel>=6” xeus-python conda activate jupyterlab-debugger conda i…

I’m not seeing anything obvious. When you click on it, does the panel come up on the right? Did you clear all the old installations out of your system before doing this? Someone had a thread here trying to get help with a situation that sounds somewhat like yours. You can probably work through what …

I have just started using the Jupyter tools for the first time. I will delete the 2 environments I have already created and make a new env. This time I will skip the xeus-python and nb_extensions. Plus I will play close attention to which extensions are installed.

I deleted the 2 environments which I had made: conda env remove --name env1 conda env remove --name jupyterlab-debugger And created a new environment: conda create -n jupyterlab-debugger -c conda-forge jupyterlab=4 “ipykernel>=6” conda activate jupyterlab-debugger conda install jupyterlab dask…

I tried the example debugging session you provided and the debugger worked correctly. I noticed there were no extensions installed. I tried to uninstall the extensions which I listed above. Each time it says “You will need to refresh the web page to apply the changes.” Is that referring to the r…

[image] matadyshak: Is that referring to the refresh icon next to the back arrow in the browser? Whenever you see that and you are having issues, it means ideally restart everything, the browser and Jupyter. Maybe even reboot your system. Refresh everything as much as you can when troubleshoo…

Which internet browser works best with Jupyter Lab. I have tried Edge and Chrome.

I use Chrome and haven’t seen any issues recently.

[image] matadyshak: So this should all work without any extensions? Yes. Zero extensions needed these days. It is built in to the JupyterLab and will work as long as the kernel supports it. ipykernel supports it, and so it should work with the typical Python kernel. Thanks for reporting the …

How to add debugger to Jupyter Lab

JupyterLab

Alan_Waterman May 4, 2024, 5:05pm 18

This worked for me too. Apparently of all the millions of things I tried to get the debugger enabled, THIS was the solution if you’re already running stock Juypterlab 4.x.

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How to add debugger to Jupyter Lab

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