Chaos-West Fahrplan quick overview/clock

clock.py

import requests
import time
import icalendar
import datetime
import pytz
from colored import fg, bg, attr

def loopme():
    r = requests.get('https://fahrplan.chaos-west.de/35c3chaoswest/schedule/export/schedule.ics')

    cal = icalendar.Calendar.from_ical(r.text)

    events = []
    tz = pytz.timezone('Europe/Berlin')
    now = datetime.datetime.now(tz=tz)

    for i, component in enumerate(cal.walk('vevent')):
        start = component.get('dtstart').dt.astimezone(tz)
        if start > now:
            prev = cal.walk('vevent')[i-2]
            curr = cal.walk('vevent')[i-1]
            next = cal.walk('vevent')[i]

            if (next.get('dtstart').dt.astimezone(tz)-now).seconds/60 < 15:
                blinky = attr('blink') + attr('bold')
                color = fg('light_red')
            else:
                blinky = ""
                color = fg('light_yellow')
            print("%sprev[%d]: %s-%s '%.40s'%s" % (fg('dark_gray'), i-2, prev.get('dtstart').dt.astimezone(tz).strftime('%H:%M'), prev.get('dtend').dt.astimezone(tz).strftime('%H:%M'), prev.get('summary'), attr('reset')))
            print("%scurr[%d]: %s-%s '%.40s'%s" % (fg('light_green'), i-1, curr.get('dtstart').dt.astimezone(tz).strftime('%H:%M'), curr.get('dtend').dt.astimezone(tz).strftime('%H:%M'), curr.get('summary'), attr('reset')))
            print("%s%snext[%d]: %s-%s '%.40s'%s" % (color, blinky, i, next.get('dtstart').dt.astimezone(tz).strftime('%H:%M'), next.get('dtend').dt.astimezone(tz).strftime('%H:%M'), next.get('summary'), attr('reset')))
            break


while True:
    loopme()
    time.sleep(60)