pyledriver/main.py

93 lines
1.8 KiB
Python
Executable File

#! /bin/python
import sys, os, time, signal, traceback
import RPi.GPIO as GPIO
from queue import Queue
from multiprocessing.managers import BaseManager
from auxilary import fallbackLogger
def printTrace(t):
fallbackLogger(__name__, 'CRITICAL', t)
def clean():
GPIO.cleanup()
try:
stateMachine.__del__()
except NameError:
pass
# TODO: this part is really wordy and makes me sad
try:
logger.info('Terminated root process - PID: %s', os.getpid())
logger.stop()
except NameError:
pass
except Exception:
printTrace(traceback.format_exc())
try:
manager.__del__() # kill process 2
except NameError:
pass
except Exception:
printTrace(traceback.format_exc())
def sigtermHandler(signum, stackFrame):
logger.info('Caught SIGTERM')
exit()
class ResourceManager(BaseManager):
def __init__(self):
super().__init__()
self.register('Queue', Queue)
def __del__(self):
self.shutdown()
if __name__ == '__main__':
try:
os.chdir(os.path.dirname(os.path.realpath(__file__)))
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
manager = ResourceManager()
manager.start() # Child process 1
loggerQueue = manager.Queue() # used to buffer logs
ttsQueue = manager.Queue() # used as buffer for TTS Engine
from sharedLogging import MasterLogger
logger = MasterLogger(__name__, 'DEBUG', loggerQueue)
from notifier import criticalError
from stateMachine import StateMachine
stateMachine = StateMachine()
# TODO: segfaults are annoying :(
#~ signal.signal(signal.SIGSEGV, sig_handler)
signal.signal(signal.SIGTERM, sigtermHandler)
while 1:
time.sleep(31536000)
except Exception:
t = traceback.format_exc()
try:
criticalError(t)
except NameError:
pass
try:
logger.critical(t)
except NameError:
printTrace(t)
finally:
clean()