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#!/usr/bin/env python3
from dbpl import Playlist
from argparse import ArgumentParser
from pprint import pprint


if __name__ == '__main__':
    parser = ArgumentParser()
    parser.add_argument('--input', required=True,
                        help='input file')
    parser.add_argument('--output',
                        help='output file')
    parser.add_argument('--dump', action='store_true',
                        help='dump track info')
    parser.add_argument('--replace-path', nargs=2, type=str, metavar=('SEARCH', 'REPLACE'),
                        help='change path to files (merely performs str.replace(SEARCH, REPLACE) on each track)')
    args = parser.parse_args()

    # read playlist
    pl = Playlist(args.input)

    # loop through tracks
    for t in pl.tracks:
        if args.dump:
            pprint(t.__dict__)
            print()

        if args.replace_path:
            uri = t.get_uri()
            uri = uri.replace(args.replace_path[0], args.replace_path[1])
            t.set_uri(uri)

    # save playlist
    if args.output:
        pl.save(args.output)