Rename lecture notes files for physik511.

rename-physik511-lecture-notes

#!/usr/bin/python3
# -*- coding: utf-8 -*-

# Copyright © 2013-2014 Martin Ueding <dev@martin-ueding.de>
# Licensed under The GNU Public License Version 2 (or later)

import argparse
import re
import shutil

__docformat__ = "restructuredtext en"

pattern = re.compile(r'Vlsg_?(\d{1,2})(\w{3})(\d{4})\.pdf')

month_names = {
    'Okt': 10,
    'Ok1': 10,
    'Nov': 11,
    'N0v': 11,
    'Dez': 12,
    'Jan': 1,
    'Feb': 2,
}

def main():
    options = _parse_args()

    for filename in options.infile:
        rename_file(filename)

def rename_file(filename):
    print(filename)

    m = pattern.match(filename)
    if m:
        year = int(m.group(3))
        month_word = m.group(2)
        day = int(m.group(1))

        month = month_names[month_word]

        new_name = 'Vorlesung_{:04d}-{:02d}-{:02d}.pdf'.format(year, month, day)
        shutil.move(filename, new_name)

def _parse_args():
    """
    Parses the command line arguments.

    :return: Namespace with arguments.
    :rtype: Namespace
    """
    parser = argparse.ArgumentParser(description="")
    parser.add_argument("infile", type=str, nargs="+", help="Files with original name")

    return parser.parse_args()

if __name__ == "__main__":
    main()