Fix for reversed first and last names in an address book.

fix_names_in_vcards.py

#! /usr/bin/python

import vobject

"""
Fix for reversed first and last names in an address book.

This script go through all contacts in a vCard file, and for
each entry ask you if the first and last names should be
reversed.
"""

def fix_names(infile, ofile):
    for o in vobject.readComponents(infile):
        print o.getChildValue(u'n', default="ERROR")
        choice = raw_input("switch? y/[n]: ")
        if choice == 'y':
            for child in o.getChildren():
                if child.name == 'N':
                    n = child
                    n.value.given, n.value.family = n.value.family, n.value.given
                if child.name == 'FN':
                    name_parts = child.value.split(' ')
                    if len(name_parts) == 2:
                        child.value = ' '.join(reversed(name_parts))
                    else:
                        print "not fixing full name!"
        ofile.write(o.serialize())


def main():
    import argparse
    description = """
    This script go through all contacts in a vCard file, and for
    each entry ask you if the first and last names should be
    reversed.
    """

    parser = argparse.ArgumentParser(description=description)
    parser.add_argument('input_file', type=file)
    parser.add_argument('output_file', type=argparse.FileType('w'))
    args = parser.parse_args()
    fix_names(args.input_file, args.output_file)


if __name__ == '__main__':
    main()