openpilot/selfdrive/timezoned.py

89 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python3
import json
import os
import time
import subprocess
import requests
from timezonefinder import TimezoneFinder
from common.params import Params
from selfdrive.hardware import TICI
from selfdrive.swaglog import cloudlog
def set_timezone(valid_timezones, timezone):
if timezone not in valid_timezones:
cloudlog.error(f"Timezone not supported {timezone}")
return
cloudlog.info(f"Setting timezone to {timezone}")
try:
if TICI:
tzpath = os.path.join("/usr/share/zoneinfo/", timezone)
subprocess.check_call(f'sudo su -c "ln -snf {tzpath} /data/etc/tmptime && \
mv /data/etc/tmptime /data/etc/localtime"', shell=True)
subprocess.check_call(f'sudo su -c "echo \"{timezone}\" > /data/etc/timezone"', shell=True)
else:
subprocess.check_call(f'sudo timedatectl set-timezone {timezone}', shell=True)
except subprocess.CalledProcessError:
cloudlog.exception(f"Error setting timezone to {timezone}")
def main():
params = Params()
tf = TimezoneFinder()
# Get allowed timezones
valid_timezones = subprocess.check_output('timedatectl list-timezones', shell=True, encoding='utf8').strip().split('\n')
while True:
time.sleep(60)
is_onroad = not params.get_bool("IsOffroad")
if is_onroad:
continue
# Set based on param
timezone = params.get("Timezone", encoding='utf8')
if timezone is not None:
cloudlog.info("Setting timezone based on param")
set_timezone(valid_timezones, timezone)
continue
location = params.get("LastGPSPosition", encoding='utf8')
# Find timezone based on IP geolocation if no gps location is available
if location is None:
cloudlog.info("Setting timezone based on IP lookup")
try:
r = requests.get("https://ipapi.co/timezone", timeout=10)
if r.status_code == 200:
set_timezone(valid_timezones, r.text)
else:
cloudlog.error(f"Unexpected status code from api {r.status_code}")
time.sleep(3600) # Don't make too many API requests
except requests.exceptions.RequestException:
cloudlog.exception("Error getting timezone based on IP")
continue
# Find timezone by reverse geocoding the last known gps location
else:
cloudlog.info("Setting timezone based on GPS location")
try:
location = json.loads(location)
except Exception:
cloudlog.exception("Error parsing location")
continue
timezone = tf.timezone_at(lng=location['longitude'], lat=location['latitude'])
if timezone is None:
cloudlog.error(f"No timezone found based on location, {location}")
continue
set_timezone(valid_timezones, timezone)
if __name__ == "__main__":
main()