Screens_mainloop

Screens_mainloop.py

import tahoma, utils, logging, datetime

CONFIG_FILE = 'systems.cred'
STATUS_FILE = "status_screens.dat"
COUNT_FILE = "status_screens_count.dat"
COUNT_FILE_OPENNOW = "status_screens_count_opennow.dat"

DELAY_MINUTES = 7

def run(config=None):
    logger = logging.getLogger('home automation')
    logger.debug("Script: Control screens")
    screens = tahoma.Screens(config.get('ifttt_key'))

    sunrise, sunset = utils.get_sunrise_and_sunset()
    # Replace sunrise and sunset placeholders with correct time
    for s in config['screens']:
        if s['close'] == 'sunrise':
            s['close'] = sunrise.strftime("%H:%M")
        elif s['open'] == 'sunset':
            s['open'] = sunset.strftime("%H:%M")

    # Get status indicating a forced opening of screens is underway. REset during night
    force_opened = False if utils.is_now("04:00") else utils.get_current_status(STATUS_FILE)
    utils.save_current_state(STATUS_FILE, force_opened)

    pred_temp, pred_clouds, _ = utils.get_weather_forecast()
    t, h, press, wb, wind_speed, uv, radiation, precip, cloudperc, cloudperc2, \
        raining, thunderstorm, _ = utils.get_current_weather()
    close_today = determine_close_today(pred_clouds, pred_temp)
    open_now, no_delay = determine_open_now(t, h, cloudperc, cloudperc2, raining, thunderstorm, 
                                            wind_speed, radiation, precip, press, logger)
    open_now = delay(open_now, no_delay, DELAY_MINUTES, COUNT_FILE_OPENNOW)
    else:
        open_now = False
        
    if close_today:
        if open_now and not force_opened:
            logger.info('Condition: Open due to weather')
            # Force open due to weather conditions
            screens.open_all()
            utils.save_current_state(STATUS_FILE, True)
            utils.save_current_count(COUNT_FILE, 0)
        elif force_opened and not open_now:
            logger.debug('Conditions improved, checking to reclose')
            cnt = utils.get_current_count(COUNT_FILE)
            if cnt > DELAY_MINUTES:
                logger.debug('Condition: Re close due to weather')
                # Reclose screens according to schedule
                utils.save_current_state(STATUS_FILE, False)
                for s in config['screens']:
                    if utils.is_after_or_equal(s['close']) & utils.is_before(s['open']):
                        logger.info('Re closing screen : ' + s['screen'])
                        screens.dicht_by_name(s['screen'])
            else:
                logger.debug('Waiting ... ' + str(cnt))
                utils.save_current_count(COUNT_FILE, cnt+1)
        elif open_now:
            logger.debug('Keeping open due to weather circumstances')
            utils.save_current_count(COUNT_FILE, 0)
        elif not open_now and not force_opened:
            logger.debug('Condition: Following schedule')
            # Follow schedule from settings
            for s in config['screens']:
                logger.debug(s)
                if utils.is_now(s['close']):
                    logger.info('Closing screen : ' + s['screen'] + ' at ' + s['close'])
                    screens.dicht_by_name(s['screen'])
                elif utils.is_now(s['open']):
                    logger.info('Opening screen : ' + s['screen'] + ' at ' + s['open'])
                    screens.open_by_name(s['screen'])