ClockThread.py

#!/usr/bin/python

import time
import datetime
import pytz
import threading
from Adafruit_7Segment import SevenSegment


class ClockThread(threading.Thread):
    def __init__(self):
        threading.Thread.__init__(self)
        self.segment = SevenSegment(address=0x70)
        self.stopping = False

    def stop(self):
        self.segment.disp.clear()
        self.stopping = True

    def run(self):
        while not self.stopping:
            now = datetime.datetime.now(pytz.timezone('Africa/Johannesburg'))
            hour = now.hour

            minute = now.minute
            second = now.second

            # Set hours
            self.segment.writeDigit(0, int(hour / 10))     # Tens
            self.segment.writeDigit(1, hour % 10)          # Ones
            # Set minutes
            self.segment.writeDigit(3, int(minute / 10))   # Tens
            self.segment.writeDigit(4, minute % 10)        # Ones
            # Toggle colon
            # self.segment.set_colon(second % 2)


            time.sleep(1)