Initialer Commit

hints.txt

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+gtk+3.0 py3-gobject3

qr.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GdkPixbuf', '2.0')
+from gi.repository import Gtk,GdkPixbuf
+from io import BytesIO
+import argparse
+import threading
+import time
+from datetime import date
+
+import requests
+
+DEFAULT_BASE = "https://www.agp8x.org/temp/new/pchart/"
+
+def today():
+	return date.today().strftime("temp_%d.%m.%Y.png")
+
+class Updater(threading.Thread):
+	def __init__(self, target):
+		threading.Thread.__init__(self)
+		self.target = target
+	
+	def run(self):
+		while True:
+			self.target.update()
+			try:
+				time.sleep(10*60)
+			except Exception as e:
+				print(e, e.args)
+			
+
+class Window(object):
+	def __init__(self, args):
+		self.window = Gtk.Window()
+		self.window.set_title("weather")
+		#self.window.set_default_size(150, 150)
+		self.window.connect("destroy", self.destroy)
+		self.window.connect("key-press-event", self.on_key)
+		self.window.fullscreen()
+		self.args = args
+		self.image = Gtk.Image()
+		self.window.add(self.image)
+		self.image.show()
+		self.window.show()
+		
+	def destroy(self, data=None):
+		Gtk.main_quit()
+	def main(self):
+		self.updater = Updater(self)
+		self.updater.start()
+		Gtk.main()
+	def on_key(self, event, data=None):
+		self.destroy()
+	def update(self):
+		filename = today()
+		url = self.args.base_url + "/" + filename
+		new_image = self.fetch_image(url)
+		self.image.set_from_pixbuf(new_image)
+	def fetch_image(self, url):
+		response = requests.get(url)
+		with BytesIO(response.content) as buff:
+			loader = GdkPixbuf.PixbufLoader.new_with_type('png')
+			loader.write(buff.getvalue())
+			pixbuf = loader.get_pixbuf()
+			loader.close()
+		return pixbuf
+		
+	def image2pixbuf(self, im):
+		buff = BytesIO()
+		im.save(buff, 'ppm')
+		contents = buff.getvalue()
+		buff.close()
+		loader = GdkPixbuf.PixbufLoader.new_with_type('png')
+		loader.write(contents)
+		pixbuf = loader.get_pixbuf()
+		loader.close()
+		return pixbuf
+
+if __name__=="__main__":
+	parser = argparse.ArgumentParser()
+	parser.add_argument("base_url", nargs="?", default=DEFAULT_BASE)
+	args = parser.parse_args()
+	window = Window(args)
+	window.main()

requirements.txt

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+requests