How to use the active state recipe for debugging?

Question

I came across this active state recipe on seeing this answer on 'How to find where a running python program is getting hung?'. I admit I am a noob at python. How to make use of this?

Answer 1

I am assuming that you have saved the active state recipe as 'hung.py' in the same folder as the original hung program.

• Get the process id (pid) of the hung python program. say 123 (Hint: Use htop)
• Go to a terminal and type python hung.py 123 (Use the correct pid instead of 123 )
• You are done.