Script to reencode iso-8859-1subtitles to UTF-8r

reencode.py

import sys, getopt
import codecs
BLOCKSIZE = 1048576

def main(argv):
    inputfile = ''
    outputfile = ''
    try:
        opts, args = getopt.getopt(argv,"hi:o:",["ifile=","ofile="])
    except getopt.GetoptError:
        print 'test.py -i <inputfile> -o <outputfile>'
        sys.exit(2)
    for opt, arg in opts:
        if opt == '-h':
            print 'reencode.py -i <inputfile> -o <outputfile>'
            sys.exit()
        elif opt in ("-i", "--ifile"):
            inputfile = arg
        elif opt in ("-o", "--ofile"):
            outputfile = arg
        
    with codecs.open(inputfile, 'r', "iso-8859-1") as sourceFile:
        with codecs.open(outputfile, "w", "utf-8") as targetFile:
            while True:
                contents = sourceFile.read(BLOCKSIZE)
                if not contents:
                    break
                targetFile.write(contents)
                

if __name__ == "__main__":
     main(sys.argv[1:])