Parse messages from a Facebook data archive.

parse_messages.py

def main():
    inpath = 'messages.txt'
    outpath = 'parsed.txt'
    name = 'First Last'

    marker = '%s:' % name
    with open(inpath, 'r') as fin, open(outpath, 'w') as fout:
        for line in fin.readlines():
            if marker in line:
                message = line.split(marker)[1].strip()
                if message:
                    fout.write('%s\n' % message)
                    
                    
if __name__ == '__main__':
    main()