Debug on interrupt

example

$ python3 interrupt-debug.py 
0
1
2
3
^C--Return--
> /home/takluyver/scratch/interrupt-debug.py(6)handle_sigint()->None
-> pdb.set_trace()
(Pdb) p a
4
(Pdb) 

interrupt-debug.py

import signal
import time
import pdb

def handle_sigint(signo, frame):
    pdb.set_trace()

signal.signal(signal.SIGINT, handle_sigint)

for a in range(10000):
    time.sleep(0.5)
    print(a)