shorten_path

shorten_path.py

#!/usr/bin/env python3

import argparse
import sys
import pathlib

def cut_path(path, limit):
    if len(path)>limit:
      parts = list(pathlib.PurePath(path).parts)
      # print(parts)
      #if len(parts) >= 4:
      #    parts [2:-1] = ['...']
      new_parts = []
      for part in parts[:-1]:
        if len(part)>4:
          new_parts.append(part[:4] + "..")
        else:
          new_parts.append(part)
      new_parts.append(parts[-1])
      #print(new_parts)
      new_path = str(pathlib.PurePath(*new_parts))
      #print(len(new_path))
      if len(new_path) > limit:
        parts[2:-1] = ['...']
        return pathlib.PurePath(*parts)
      return new_path
    else:
      return path


def main():
    parser = argparse.ArgumentParser(
      prog=sys.argv[0],
    )
    parser.add_argument('-l', '--limit', type=int, default=76)
    parser.add_argument('filename')

    args = parser.parse_args()

    print(cut_path(args.filename, args.limit))


if __name__ == "__main__":
    main()