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#!/usr/bin/python
# -*- coding:utf-8 -*-
import argparse
import contextlib
import itertools
import logging
import os
import random
import sys
import time
from PIL import Image,ImageDraw,ImageFont
parser = argparse.ArgumentParser()
parser.add_argument("imgdir", help="location of dithered bmps to rotate")
parser.add_argument("--debug", action="store_true")
parser.add_argument("--delay", default=600, type=int)
parser.add_argument("--simulate", action="store_true")
parser.add_argument("--clear", action="store_true", help="clear panel first run")
args = parser.parse_args()
if args.simulate:
import mock_epd as epd7in3f
else:
from waveshare_epd import epd7in3f
log_format = "%(asctime)s %(levelname)s %(name)s: %(message)s"
if args.debug is True:
logging.basicConfig(level=logging.DEBUG, format=log_format)
else:
logging.basicConfig(level=logging.INFO, format=log_format)
logger = logging.getLogger(__name__)
paths = [os.path.join(args.imgdir, f) for f in os.listdir(args.imgdir)
if f.endswith(".bmp")
and os.path.isfile(os.path.join(args.imgdir, f))]
random.shuffle(paths)
if args.simulate is True:
delay = args.delay
else:
delay = max(args.delay, 180)
logger.info("hello!")
logger.info(f"rotating images in {args.imgdir} every {delay}s")
@contextlib.contextmanager
def EPD():
epd = epd7in3f.EPD()
try:
epd.init()
yield epd
finally:
epd.sleep()
try:
iteration = 1
for filename in itertools.cycle(paths):
with EPD() as epd:
if iteration == 1 and args.clear:
epd.Clear()
logger.info(f"displaying {filename}")
Himage = Image.open(filename)
epd.display(epd.getbuffer(Himage))
logger.info(f"sleeping for {delay}s...")
time.sleep(delay)
iteration += 1
except IOError as e:
logger.info(e)
except KeyboardInterrupt:
logger.info("ctrl + c")
logger.info("clearing the screen")
with EPD() as epd:
epd.Clear()
finally:
logger.info("cleaning up")
epd7in3f.epdconfig.module_exit(cleanup=True)
logger.info("bye!")
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