e-paper-display/examples/date-diff.py

#!/usr/bin/python
# -*- coding:utf-8 -*-
import sys
import os
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
if os.path.exists(libdir):
    sys.path.append(libdir)

import logging
from waveshare_epd import epd2in13b_V3
import time
from PIL import Image,ImageDraw,ImageFont
import traceback


logging.basicConfig(level=logging.DEBUG)

#Define Display
epd = epd2in13b_V3.EPD()
epd.init()

#Set fonts
font16 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 16)
font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)

#Init Image
HBlackimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126
HRYimage = Image.new('1', (epd.height, epd.width), 255)  # 298*126  ryimage: red or yellow image  
drawblack = ImageDraw.Draw(HBlackimage)
#drawry = ImageDraw.Draw(HRYimage)

import time
import datetime
import locale

loc = locale.getlocale()
print (loc)

from datetime import datetime, timedelta, date
# Zwei datetime-Objekte erstellen
# from datetime import date

start_time = date.today() 
print(start_time.strftime("%d.%m.%Y"))
end_time = date(2025, 6, 10) 
# Zeitdelta berechnen 
duration = end_time - start_time 
print(duration) # Ausgabe: 9 Tage, 2:30:00

def init_monitor():
    
    logging.info("epd2in13b_V3 Demo")

    #epd = epd2in13b_V3.EPD()
    #epd.init()
    #epd.Clear()
    
    # Drawing on the image
    #logging.info("Drawing")    
    #font16 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 16)
    #font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
    
    # Drawing on the Horizontal image
    logging.info("1.Drawing on the Horizontal image...") 
    drawblack.text((4, 0), 'Noch: ' + str(duration) + 'bis', font = font16, fill = 0)
    drawblack.text((4, 16), 'Hausverbrauch', font = font16, fill = 0)
    drawblack.text((4, 32), 'Strom Import', font = font16, fill = 0)
    drawblack.text((4, 48), 'Batterie', font = font16, fill = 0)
    drawblack.text((4, 64), 'Batterie Entladen', font = font16, fill = 0)
    drawblack.text((4, 80), 'Auto Laden', font = font16, fill = 0)
    
    epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))

    #logging.info("Clear...")
    #epd.init()
    #epd.Clear()
    
    print(drawblack)

    logging.info("Goto Sleep...")
    epd.sleep()


def run():
    try:
        init_monitor()

    except IOError as e:
        logging.info(e)

    except KeyboardInterrupt:    
        logging.info("ctrl + c:")
        epd2in13b_V3.epdconfig.module_exit()
        exit()
if __name__ == '__main__':
    run()