Python

Debugging in Jupyter notebook

What: Debugging directly in a Jupyter notebook while it is executed
Why: Faster/more secure development
How: Using ipythons build-in debug functionality

Note: The following is a modified version of the following blog entry: https://kawahara.ca/how-to-debug-a-jupyter-ipython-notebook/.

Insert debug statement

The following line needs to be inserted at the location in a cell where you want to start debugging:

from IPython.core.debugger import Pdb; Pdb().set_trace()

Start debugging

Execute the cell. You will get a debug prompt. It behaves like an ipython shell. The following commands can be used to operate the debugger:

  • q: Quit and stops the programm execution
  • c: Continue to the next breakpoint
  • n: Go to the next line

Happy debugging!