merge-mutt-contacts.py

#!/usr/bin/env python3

__author__ = ['[Brandon Amos](http://bamos.github.io)']
__date__ = '2014.01.08'

"""
Merges two mutt contact files.
"""

import argparse
from collections import defaultdict
import re


def merge_files(contacts_filenames):
    contents = defaultdict(list)
    for filename in contacts_filenames:
        with open(filename, 'r') as f:
            group = None
            for line in f.readlines():
                line = line.strip()
                r = re.search("^# (.*)$", line)
                if r:
                    group = r.group(1)
                elif len(line) != 0:
                    contents[group].append(line)
    for group in sorted(contents):
        print("# {}".format(group))
        print("\n".join(sorted(set(contents[group]))) + "\n")

if __name__ == '__main__':
    parser = argparse.ArgumentParser()
    parser.add_argument('contacts_filenames', type=str, nargs='+')
    args = parser.parse_args()

    merge_files(args.contacts_filenames)