A simple airport-style departures system. Hacked together in an hour

departures.py

import os
import time
import datetime
from datetime import timedelta

from terminaltables import SingleTable
from colorclass import Color

FIVE_MINS = timedelta(minutes=5)


def t(h, m):
    """
    Convert hours and minutes to today, at that time.
    """
    now = datetime.datetime.now()
    return datetime.datetime(now.year, now.month, now.day, h, m)


def GREEN(text):
    return Color('{autobggreen}{autowhite}%s{/black}{/bggreen} ' % text)


def RED(text):
    return Color('{autobgred}{autowhite}%s{/black}{/bgred} ' % text)


def gate(h, m):
    """
    Returns a tuple of (time, gate_status)
    """
    departure = t(h, m)
    departure_minus_five = departure - FIVE_MINS
    if departure_minus_five > datetime.datetime.now():
        status = 'ON TIME'
    elif departure < datetime.datetime.now():
        status = RED('CLOSED')
    else:
        status = GREEN('GO TO GATE')
    return [departure.time(), status]


def table():
    table_data = [
        ['Departure', 'Gate Status', 'Departure', 'Gate Status'],
        gate(19, 30) + gate(21, 10),
        gate(19, 40) + gate(21, 20),
        gate(19, 50) + gate(21, 30),
        gate(20, 00) + gate(21, 40),
        gate(20, 10) + gate(21, 50),
        gate(20, 20) + gate(22, 00),
        gate(20, 30) + gate(22, 10),
        gate(20, 40) + gate(22, 20),
        gate(20, 50) + gate(22, 30),
        gate(21, 00) + gate(22, 40),
    ]
    return SingleTable(table_data).table


while True:
    os.system('clear')
    print('Current Time: ', datetime.datetime.now().time())
    print(table(), end='')
    time.sleep(1)

cat requrements.txt

terminaltables
colorclass