anysh


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#!/bin/python3


class Main(object):

    def _parse_command_line(self):
        import argparse

        parser = argparse.ArgumentParser()

        parser.add_argument("command", nargs=argparse.REMAINDER)
        parser.add_argument("-p", "--prompt", help="Command ran to build prompt")
        parser.add_argument("-pt", "--prompt_text", help="Fixed text to use on prompt")
        parser.add_argument("--quit-command", default="quit", help="Internal command will quit anysh (default: quit)")

        return parser.parse_args()

    def run(self):
        args = self._parse_command_line()

        command = ""

        import subprocess

        while command != args.quit_command:
            if args.prompt:
                process = subprocess.run(args.prompt, stdout=subprocess.PIPE)

                print(process.stdout.decode())

            prompt = args.prompt_text if args.prompt_text else " ".join(args.command) + ": "
            print()
            print(prompt, end="")

            try:
              command = input()
            except EOFError:
              command = args.quit_command

            if command != args.quit_command:
                # FIXME No way to escape spaces in parameters
                subprocess.run(args.command + command.split(" "))


if __name__ == "__main__":
    main = Main()

    main.run()