Parse irc logs with multiple encodings

logparser.py

def decode(line, encodings):
    for encoding in encodings:
        try:
            return line.decode(encoding)
        except UnicodeDecodeError:
            pass
    return line.decode('utf-8', 'ignore')


if __name__ == '__main__':
    encodings = ['utf-8', 'latin1']

    with open('error.log', 'rb') as input, \
         open('error.out', 'a') as output:

        output.writelines(decode(line, encodings) for line in input)