#!/usr/bin/python3
# -*- coding: utf-8 -*-

import re
from time import localtime, strftime
from urllib.request import urlopen

htmloutput = urlopen("http://libinklevel.sourceforge.net/index.html").read()
htmloutputlist_bytes = htmloutput.split(b"\n")
htmloutputlist = [x.decode('UTF-8') for x in htmloutputlist_bytes]

i = 0
startsup = None
for line in htmloutputlist:
	if re.match(r'^<h2>Printers supported</h2>$',line.strip()):
		startsup = i + 5
	if re.match(r'^</ul>',line.strip()) and startsup != None:
		endsup = i
		break
	i = i + 1

j = 0
startunsup = None
for line in htmloutputlist:
	if re.match(r'<h2>Printers not supported</h2>$',line.strip()):
		startunsup = j + 5
	if re.match(r'^</ul>',line.strip()) and startunsup != None:
		endunsup = j
		break
	j = j + 1

print("libinklevel for Debian\n----------------------\n")

print("Supported printer:")
for line in htmloutputlist[startsup:endsup]:
	print("  "+line.strip().strip('<li>').strip('</li>'))

print("\nUnsupported printer:")
for line in htmloutputlist[startunsup:endunsup]:
	print("  "+line.strip().strip('<li>').strip('</li>'))

print("\nA note about Canon printers:")
print("  Some Canon printers transmit their ink levels as a binary value.")
print("  They report only that there is enough ink or not enough ink for a")
print("  particular cartridge. Libinklevel then reports 100% or 20% ")
print("  respectively.")

print("\nA note about Epson printers:")
print("  Under some circumstances, especially when one ink catridge is")
print("  completely empty, it may take about 20 to 30 seconds to detect the ink")
print("  level. Please take this into account before submitting a bug report.")
print("  When you query the ink levels before the printer is fully initialized")
print("  a sheet of paper will be drawn in. But nothing will be printed. To avoid")
print("  this do not query the ink levels before the printer is fully initialized.")

print("\n -- Boyuan Yang <byang@debian.org>, "+strftime("%a, %d %b %Y %H:%M:%S -0500", localtime()))