Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use watchdog_loop method in autotest

Best Python code snippet using autotest_python

main.py

Source:main.py

1import atexit2import time34from char_lcd_output import CharLcdOutput5from gstreamer_wrapper import GStreamerWrapper6from led_light_output import LedLightOutput7from nav_button_loop import NavButtonLoop8from process_manager import ProcessManager9from remote_monitor_loop import RemoteMonitorLoop10from screen_navigator import ScreenNavigator11from voice_output import VoiceOutput12from watchdog_loop import WatchdogLoop1314def main():15    print("Starting")1617    proc_manager = ProcessManager()1819    lcd_output = CharLcdOutput()20    light_output = LedLightOutput()21    voice_output = VoiceOutput()2223    gst = GStreamerWrapper()24    gst.play_wall()2526    nav = ScreenNavigator(gst, lcd_output)2728    temp_loop = RemoteMonitorLoop(proc_manager, lcd_output, light_output, voice_output)29    btn_loop = NavButtonLoop(proc_manager, nav, lcd_output)30    watchdog_loop = WatchdogLoop()3132    print("Initialized")33    try:34        print("Starting Char LCD Output")35        lcd_output.display_text(text_line1="Starting", priority=CharLcdOutput.TextPriorityEnum.Normal, timeout=10)3637        print("Starting TempLoop")38        temp_loop.start()3940        print("Starting SoundMonitorLoop")41        # soundMonitorLoop.start()4243        print("Starting NavButtonLoop")44        btn_loop.start()4546        print("Starting WatchdogLoop")47        watchdog_loop.start()4849        # Continuously monitor child processes for any that have exited / raised an error50        # Once one is detected end app51        # Child processes are daemonized so they will exit with the parent52        # Shell script loop will restart the whole Python script at that point53        while not proc_manager.hasAnyErrors():54            time.sleep(1)55    finally:56        lcd_output.display_text(text_line1='Exiting', text_line2 = '', priority = CharLcdOutput.TextPriorityEnum.System)57        time.sleep(1)58        lcd_output.display_text(text_line1='', text_line2='', priority=CharLcdOutput.TextPriorityEnum.System)596061if __name__ == '__main__':
...

apt-watchdog

Source:apt-watchdog

...10import sys11import time12# default kill time 60min13WAKEUP_INTERVAL = 60*6014def watchdog_loop():15    watch_files = ["/var/log/apt/term.log",16                   "/var/log/dist-upgrade/apt-term.log"]17    mtime = 018    while True:19        for f in watch_files:20            if os.path.exists(f):21                mtime = max(mtime, os.path.getmtime(f))22        time.sleep(WAKEUP_INTERVAL)23        for f in watch_files:24            if os.path.exists(f):25                if os.path.getmtime(f) > mtime:26                    break27        else:28            print "no mtime change for %s seconds, sending SIGINT" % WAKEUP_INTERVAL29            subprocess.call(["killall","-INT","apt-get"])30        31if __name__ == "__main__":32    print "Starting apt watchdog daemon for the auto-install-tester"33    if len(sys.argv) > 1 and sys.argv[1] == "--no-daemon":34        watchdog_loop()35    # do the daemon thing36    pid = os.fork()37    if pid == 0:38        os.setsid()39        signal.signal(signal.SIGHUP, signal.SIG_IGN)40        watchdog_loop()41    else:42        # add a little sleep to ensure child is setup43        time.sleep(10)...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.