run-multiple-lines-of-shell.py

#!/usr/bin/env python3
# coding: utf-8
"""
Author       : weaming
Created Time : 2019-04-24 12:41:48
"""
import subprocess
import sys
import os


def run_shell(command):
    return subprocess.run([os.getenv("SHELL") or "bash", "-c", command]).returncode


def read_lines():
    rv = []
    for x in sys.stdin:
        x = x.rstrip("\n")
        x = x.lstrip("$ ")
        if x == "DONE":
            break
        rv.append(x)
    return rv


commands = "; ".join(read_lines())
sys.eixt(run_shell(commands))