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Can send image through HTTP

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nemunaire 2023-08-29 11:25:21 +02:00
parent 1a0377ad5d
commit 1c2f08f5aa
1 changed files with 41 additions and 11 deletions
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52
main.py
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@ -28,6 +28,7 @@ from datetime import datetime, timedelta
import io import io
import locale import locale
import logging import logging
import math
import os.path import os.path
import time import time
@ -46,8 +47,13 @@ class WidgetPlacement:
self.position = position self.position = position
self.kwargs = kwargs self.kwargs = kwargs
def byteToStr(v):
return chr((v & 0xF) + 97) + chr(((v >> 4) & 0xF) + 97)
def main(only_on_coming_evt=False, ignore_module=[], force_coming_event=True, expand_alerts=False, **config_args): def wordToStr(v):
return byteToStr(v & 0xFF) + byteToStr((v >> 8) & 0xFF)
def main(only_on_coming_evt=False, ignore_module=[], force_coming_event=True, expand_alerts=False, send_to=None, **config_args):
image = Image.new('1', (480, 800), 255) image = Image.new('1', (480, 800), 255)
#image = Image.new('L', (480, 800), 'white') #image = Image.new('L', (480, 800), 'white')
draw = ImageDraw.Draw(image) draw = ImageDraw.Draw(image)
@ -188,20 +194,42 @@ def main(only_on_coming_evt=False, ignore_module=[], force_coming_event=True, ex
) )
logging.info("image generated") logging.info("image generated")
try: if send_to is not None:
import epd7in5 import urllib.request
epd = epd7in5.EPD() def do_req(url):
epd.init() with urllib.request.urlopen(url, b""):
logging.info("initialized") pass
epd.display(epd.getbuffer(image)) do_req(send_to + "EPDw_")
pixels = image.load()
width, height = image.size
buf = [0xFF] * (int(width/8) * height)
for y in range(height):
for x in range(width):
if pixels[x, y] == 0:
buf[int((y + (width - x - 1) * height) / 8)] &= ~(0x80 >> (y % 8))
for i in range(math.ceil(len(buf) / 500)):
data = ''.join([byteToStr(b) for b in buf[500*i:500*(i+1)]])
size = wordToStr(len(data))
do_req(send_to + data + size + "LOAD_")
do_req(send_to + "SHOW_")
logging.info("time to sleep") else:
epd.sleep() try:
import epd7in5
except: epd = epd7in5.EPD()
image.save("screen.png") epd.init()
logging.info("initialized")
epd.display(epd.getbuffer(image))
logging.info("time to sleep")
epd.sleep()
except:
image.save("screen.png")
if __name__ == '__main__': if __name__ == '__main__':
import argparse import argparse
@ -220,6 +248,7 @@ if __name__ == '__main__':
help='How many minutes to keep the infos in cache') help='How many minutes to keep the infos in cache')
parser.add_argument('--max-cache-timeout', type=int, default=120, parser.add_argument('--max-cache-timeout', type=int, default=120,
help='Maximum time to serve the infos in cache in case of issue') help='Maximum time to serve the infos in cache in case of issue')
parser.add_argument('--send-to', help='Send the request to a HTTP server')
args = parser.parse_args() args = parser.parse_args()
@ -230,4 +259,5 @@ if __name__ == '__main__':
args.expand_alerts, args.expand_alerts,
cache_timeout=args.cache_timeout, cache_timeout=args.cache_timeout,
max_cache_timeout=args.max_cache_timeout, max_cache_timeout=args.max_cache_timeout,
send_to=args.send_to,
) )