code-4 - master - Androsik/Config-workVerse

code-4
67 строк2 KB
Androsik
code-4
05 окт 2025, 17:42
05 окт 2025, 17:42de814f3
import os
import subprocess
import sys

class Shell:
    def __init__(self):
        self.current_dir = '/'

    def ls(self, args):
        try:
            subprocess.run(['ls', *args], check=True)
        except subprocess.CalledProcessError as e:
            print(f"Ошибка: {e}", file=sys.stderr)

    def cd(self, args):
        if len(args) != 1:
            print("Ошибка: укажите путь для перехода.", file=sys.stderr)
            return
        new_dir = args[0]
        if new_dir == '..':
            self.current_dir = os.path.dirname(self.current_dir)
        elif new_dir == '.':
            pass
        else:
            self.current_dir = os.path.join(self.current_dir, new_dir)
        try:
            os.chdir(self.current_dir)
        except FileNotFoundError:
            print(f"Ошибка: каталог {self.current_dir} не найден.", file=sys.stderr)
            self.current_dir = os.getcwd()

    def cal(self, args):
        try:
            subprocess.run(['cal', *args], check=True)
        except subprocess.CalledProcessError as e:
            print(f"Ошибка: {e}", file=sys.stderr)

    def clear(self, args):
        os.system('clear')

    def run_command(self, command, args):
        if command == 'ls':
            self.ls(args)
        elif command == 'cd':
            self.cd(args)
        elif command == 'cal':
            self.cal(args)
        elif command == 'clear':
            self.clear(args)
        else:
            print(f"Ошибка: неизвестная команда '{command}'.", file=sys.stderr)

def main():
    shell = Shell()
    while True:
        try:
            command = input(f"{shell.current_dir} $ ").strip()
            if not command:
                continue
            parts = command.split()
            shell.run_command(parts[0], parts[1:])
        except KeyboardInterrupt:
            print("\nЗавершение работы.")
            break

if __name__ == '__main__':
    main()