Ghetto file sorting script

pysort

#!/usr/bin/env python3

import sys
import re

class fileSort:

    def __init__(self):
        self.delim = "\n"
        self.string_list = list()

        if not sys.stdin.isatty():
            self.read_pipe()
        else:
            self.read_files()

    def read_files(self):
        file_input = sys.argv[1:]
        for arg in file_input:
            with open(arg, 'r') as stream_in:
                self.string_list += [i.strip() for i in stream_in.readlines()]

    def read_pipe(self):
        if len(sys.argv) == 3:
            if sys.argv[1] == "-d":
                self.delim = sys.argv[2]
        pipe_input = sys.stdin.readlines()
        if len(pipe_input) == 1 and self.delim and self.delim != "\n":
            pipe_input = [item for item in pipe_input[0].split(self.delim) if item.strip()]
        self.string_list = [i.strip() for i in pipe_input]

    def __enter__(self):
        return self

    def __exit__(self, _ex_type, _ex_val, _tb):
        pass

    @staticmethod
    def sort(key):
        return [int(i) if i.isdigit() else i for i in re.split(r"(\d+)", key)]

    def sort_and_print(self):
        for i in sorted(self.string_list, key=self.sort):
            print(i, end=self.delim)
        print(end="", flush=True)

if __name__ == "__main__":
    with fileSort() as fs:
        fs.sort_and_print()

I made this to be mainly used for sorting files of videos/songs that have numbers in them (TV series or music albums). It will prioritize files with numbers. Its natural sorting with the focus on numbers.

Script accepts list of files or input from an unix pipe.