Rename images

rename_files.py

#! /usr/bin/env python
# vim:fenc=utf-8
#
# Copyright © 2024 fred <[email protected]>
#
# Distributed under terms of the BSD 3-Clause license.

"""
Rename all the DXCC image with the new date format
"""

import pathlib
import re
import sys
from datetime import datetime, timezone
from typing import Any

R_DATE = re.compile(r'(?P<name>.*)-(?P<dte>\d+)\.(png|svgz)').match


def parse_file(name: str) -> tuple[str, str] | None:
  if match := R_DATE(name):
    date = datetime.strptime(match.group('dte'), '%Y%m%d%H%M')
    date = date.replace(tzinfo=timezone.utc)
    return date.strftime('%Y%m%dT%H%M%S'), match.group('name')
  return None


def rename_files(path: pathlib.Path) -> None:
  for filename in path.iterdir():
    match = parse_file(filename.name)
    if match is None:
      continue
    date, name = match[0], match[1]
    ext = filename.suffix
    target = filename.parent.joinpath(f"{name}-{date}{ext}")
    if not target.exists():
      filename.rename(target)
      print(f'{filename} -> {target} ')


def main() -> None:
  if len(sys.argv) < 2:
    print(f"{__file__} path ...")
    raise SystemExit('Missing path')
  for _path in sys.argv[1:]:
    path = pathlib.Path(_path)
    rename_files(path)


if __name__ == "__main__":
  main()