PHOTO SATELLITE AVEC ARCHIVAGE

from os       import system
from os.path  import isfile
from urllib2  import urlopen
from datetime import datetime

DirDay = 'CurrentDay/'
DirArchive = 'Archive/'
system('mkdir -p ' + DirDay[:-1])
system('mkdir -p ' + DirArchive[:-1])

print "Start satellite screen"
now = datetime.now()
minute = "%02d" % (now.minute / 15 * 15,)
date = now.strftime("%Y%m%d%H") + minute
filepath = DirDay + date + '.gif'
print "Last print is at "+ now.strftime("%H") + ":" + minute

if isfile(filepath):
	print "Already update"
else:
	url = "http://www.sat24.com/image.ashx?country=eu&type=last&time=" + date
	print "Get the lastest file:\n", url
	data = urlopen(url).read()
	if data[0] == "\x00":
	    data = data[1:]
	if data[:3] != 'GIF':
		print "Not actually accessible.. but u may retry in some instant and be happy :-)\n\n"
		print "The sat pic is take every quarter (00,15,30,45), \n normaly less than 5 min latency are observed\n to get the output public pic file. \nplease be patient"
	else:
		file(filepath, 'w').write(data)
		system("cp " + filepath + ' screen.gif') #if u wanna screen saver
		if now.hour == 23 and minute == "45":
			print "DoClean"
			system("zip -r " + DirArchive + date + ".zip " + DirDay)
			system("rm " + DirDay + "*.gif")
		print "local disk filename:", date