clock.py

"""Clock"""
from datetime import datetime
from time import sleep

import psutil

from vfd import COLS, VFD

vfd = VFD(0, 0)
welcome = "Starting Clock"


def clock() -> str:
    """Get the time."""
    now = datetime.now()
    return now.strftime("%H:%M:%S")

def cpu_state() -> str:
    """Get CPU data."""
    cpu_temp = psutil.sensors_temperatures()['cpu-thermal'][0].current
    return f'{int(psutil.cpu_freq().current)} MHz {cpu_temp:.1f} C'

def main():

    print(welcome)
    vfd.home()
    vfd.text(welcome.center(COLS))
    sleep(3)
    try:
        while True:
            vfd.home()
            vfd.text(clock().center(COLS))
            vfd.setCursor(0, 1)
            vfd.text(cpu_state().center(COLS))
            sleep(0.5)
    except KeyboardInterrupt:
        print("Stopping..")
        vfd.clear()
        vfd.text("User interrupted".center(COLS))
        sleep(2)
        vfd.clear()
        print("Stopped")
    finally:
        vfd.clear()


if __name__ == "__main__":
    main()