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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#!/usr/bin/env python
# simple service that waits for network access and tries to update every 3 hours
import os
import time
import subprocess
from common.basedir import BASEDIR
from selfdrive.swaglog import cloudlog
from selfdrive.version import dirty
def main(gctx=None):
while True:
# try network
r = subprocess.call(["ping", "-W", "4", "-c", "1", "8.8.8.8"])
if r:
time.sleep(60)
continue
# If there are modifications we want to full history
# otherwise only store head to save space
if dirty:
r = subprocess.call(["nice", "-n", "19", "git", "fetch", "--unshallow"])
else:
r = subprocess.call(["nice", "-n", "19", "git", "fetch", "--depth=1"])
cloudlog.info("git fetch: %r", r)
if r:
time.sleep(60)
continue
# download apks
r = subprocess.call(["nice", "-n", "19", os.path.join(BASEDIR, "apk/external/patcher.py"), "download"])
cloudlog.info("patcher download: %r", r)
time.sleep(60*60*3)
if __name__ == "__main__":
main()