openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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30 lines
800 B

import time
import functools
def retry(attempts=3, delay=1.0, ignore_failure=False):
def decorator(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
for _ in range(attempts):
try:
return func(*args, **kwargs)
except Exception:
from openpilot.common.swaglog import cloudlog
cloudlog.exception(f"{func.__name__} failed, trying again")
time.sleep(delay)
if ignore_failure:
from openpilot.common.swaglog import cloudlog
cloudlog.error(f"{func.__name__} failed after retry")
else:
raise Exception(f"{func.__name__} failed after retry")
return wrapper
return decorator
if __name__ == "__main__":
@retry(attempts=10)
def abc():
raise ValueError("abc failed :(")
abc()