pastebin - collaborative debugging

#!/usr/bin/python
# -*- coding: utf-8 -*-
#imports
import os
import sys
import subprocess
from urllib import urlencode

def ivnot():

    # Create output log file
    outFile = os.path.join(os.curdir, "output.log")
    outptr = file(outFile, "w")
    # Create error log file
    errFile = os.path.join(os.curdir, "error.log")
    errptr = file(errFile, "w")

    # pl chars not recognized!
    # leave the b on the ond cause the site reader cuts the last word ;/
    text = "I can read this fluently for you! b"
    url_text = urlencode({'tresc':text})

    # Voices:
    # Jennifer                     | eng fem
    # Ewa                          | pol fem
    # Jacek                        | pol mal
    # Carmen+%28drugie+wydanie%29  | hun fem
    # insert after glos= in line 3 of cmd

    cmd = [\
           'curl '\
           '-d '\
           '"' + url_text + '&glos=Jennifer&IVONA_odczytaj=%20%20%20Odczytaj20%20" '\
           'http://www.ivo.pl/ivonaonline.html '\
           '| '\
           'grep '\
           '-e '\
           'http:\/\/www.ivo.pl\/media\/ivonaonline\/[a-Z0-9]*.mp3 '\
           '-o '\
           '| '\
           'tail '\
           '-n '\
           '1'\
           ]

    #command = str('curl -d "' + url_tresc + '&glos=Ewa&IVONA_odczytaj=%20%20%20Odczytaj20%20" http://www.ivo.pl/ivonaonline.html | grep -e http:\/\/www.ivo.pl\/media\/ivonaonline\/[a-Z0-9]*.mp3 -o | tail -n 1')

    retval = subprocess.call(cmd, 0, None, None, outptr, errptr, None, False, True)

    # Close log handles
    errptr.close()
    outptr.close()

        # Check the process exit code
    if not retval == 0:
        errptr = file(errFile, "r")
        errData = errptr.read()
        errptr.close()
        raise Exception("Error executing command: " + repr(errData))

    # mplayer
    outptr = file(outFile, "r")
    outData = outptr.read()
    outptr.close()
    play = "mplayer " + str(outData.replace("\n",""))
    os.system(play)

if __name__ == '__main__':
    ivnot()