code: def vcf2abook():
      
      from argparse import ArgumentParser, FileType
      from sys import stdin
  
      parser = ArgumentParser(description='Converter from vCard to Abook syntax.')
      parser.add_argument('infile', nargs='?', type=FileType('r'), default=stdin,
                          help='Input vCard file (default: stdin)')
      parser.add_argument('outfile', nargs='?', default=expanduser('~/.abook/addressbook'),
                          help='Output Abook file (default: ~/.abook/addressbook)')
      args = parser.parse_args()
  
      Abook.abook_file(args.infile, args.outfile)
docs: Command line tool to convert from vCard to Abook