FilesExpand file tree

 main

/

lesson07_exception.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

37 lines (34 loc) · 1 KB

 main

/

lesson07_exception.py

Top

File metadata and controls

• Code
• Blame

37 lines (34 loc) · 1 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

# SuperFastPython.com

# example of a thread closing itself via an exception

from random import random

from time import sleep

from threading import Thread

import threading

# handle exceptions in new thread

def handler(args):

print(f'Got: {args.exc_value}')

# custom function to be executed in a new thread

def task():

# loop forever

while True:

# generate a random value between 0 and 1

value = random()

print(f'.{value}')

# block

sleep(value)

# check if we should close the thread

if value > 0.9:

print('Closing thread')

raise Exception('Stop now!')

# protect the entry point

if __name__ == '__main__':

# register a handler for exception in a new thread

threading.excepthook = handler

# create and configure the new thread

thread = Thread(target=task)

# start the new thread

thread.start()

# wait for the thread to terminate

thread.join()

# main continues on

print('Main continuing on...')