A tool for reversing title values for fastlane frameit when using RTL languages

reverse_titles.py

import re
from argparse import ArgumentParser

LINE_PATTERN = re.compile(r'"(.+)"\s*=\s*"(.+)"$')


def _parse_args():
    parser = ArgumentParser(description='Reverse titles for frameit RTL')
    parser.add_argument('--before', action='store', type=str, default='title.strings.before')
    parser.add_argument('--output', action='store', type=str, default='title.strings')
    parser.add_argument('--dry-run', action='store_true', default=False)
    return parser.parse_args()


def _reverse_value(match):
    return f'"{match.group(1)}" = "{match.group(2)[::-1]}"'


def _reverse_lines(before, output=None):
    print('Output:')
    for line in before:
        line = line.strip()
        converted = LINE_PATTERN.sub(_reverse_value, line)
        print(converted)
        if output:
            output.write(f"{converted}\n")


def _prepare_titles(before, output, dry_run):
    with open(before, 'r') as before:
        if not dry_run:
            with open(output, 'w') as output:
                _reverse_lines(before, output)
        else:
            _reverse_lines(before)


if __name__ == '__main__':
    args = _parse_args()
    _prepare_titles(before=args.before, output=args.output, dry_run=args.dry_run)