Files
sunnypilot/common/timeout.py
T
Jason Wen 2f33f13f8b sunnypilot v2024.08.11-1662
version: sunnypilot v0.9.7.0 release
  date: 2024-08-11T04:16:15
  master commit: c0df551c5bbd296a1e272c1878535dec14b4e7ad
2024-08-11 04:16:15 +00:00

28 lines
699 B
Python

import signal
class TimeoutException(Exception):
pass
class Timeout:
"""
Timeout context manager.
For example this code will raise a TimeoutException:
with Timeout(seconds=5, error_msg="Sleep was too long"):
time.sleep(10)
"""
def __init__(self, seconds, error_msg=None):
if error_msg is None:
error_msg = f'Timed out after {seconds} seconds'
self.seconds = seconds
self.error_msg = error_msg
def handle_timeout(self, signume, frame):
raise TimeoutException(self.error_msg)
def __enter__(self):
signal.signal(signal.SIGALRM, self.handle_timeout)
signal.alarm(self.seconds)
def __exit__(self, exc_type, exc_val, exc_tb):
signal.alarm(0)