gistfile1.py

# Vamos haciendo este programa compatible con python 3.

from urllib.request import urlopen
import zipfile
import sys
numeros = dict()
MELATE_ZIP_URL = "http://www.pronosticos.gob.mx/pago/Files/melate.zip"
REVANCHA_ZIP_URL = "http://www.pronosticos.gob.mx/pago/Files/revancha.zip"
MELATE_FILE = "MELATE.CSV"
REVANCHA_FILE = "REVANCHA.CSV"
sorteo = 2289
sorteo_actual = 0
try:
        sorteo = int(sys.argv[1])
except:
        pass

for localfile, url in ((MELATE_FILE, MELATE_ZIP_URL),(REVANCHA_FILE, REVANCHA_ZIP_URL)):
        with open("PROVISIONAL.zip", "wb") as f:
                f.write(urlopen(url).read())

        file = zipfile.ZipFile("PROVISIONAL.zip","r")

        with open(localfile,"wb") as f:
                f.write(file.read(localfile))

for localfile in ( MELATE_FILE, REVANCHA_FILE ):
        with open(localfile) as f:
                for line in f:
                        campos = line.split(",")
                        try:
                                xsorteo = int(campos[1])
                                sorteo_actual = max( xsorteo, sorteo_actual )
                                if xsorteo >= sorteo:
                                        for x in range(2,9):
                                                numeros[int(campos[x])] = True
                        except:
                                pass

print("El sorteo mas reciente es {0}".format(sorteo_actual))
print( "A partir del sorteo {0}".format(sorteo))
print( [x for x in range(1,57) if x not in numeros])