Python - how do I make a program run forever, no matter what exceptions occur?

Question

So I've got something of the form:

def func():
  while True:
    do_stuff()

try:
  func()
except:
  func()

I had expected that if anything happened to my func loop, it would start again, however in actual fact errors cause it to crash. How can I make it just restart if anything goes wrong?

Answer 1

You can try placing the try-except inside a while loop and use pass in the except block.

Ex:

def func():
  while True:
    do_stuff()

while True:
    try:
        func()
    except:
        pass

Answer 2

What are you trying to achieve? Keeping a program run is generally not the responsibility of the program itself. If you are on a UNIX-like operating system, you can use Supervisord to automatically run processes and let them restart if they fail. If you are on Windows, this answer may help you out!