os.system(执行的命令)

# 源码

def system(*args, **kwargs): # real signature unknown

    """ Execute the command in a subshell. """

    pass

os.popen(执行的命令)

# 源码

def popen(cmd, mode="r", buffering=-1):

    if not isinstance(cmd, str):

        raise TypeError("invalid cmd type (%s, expected string)" % type(cmd))

    if mode not in ("r", "w"):

        raise ValueError("invalid mode %r" % mode)

    if buffering == 0 or buffering is None:

        raise ValueError("popen() does not support unbuffered streams")

    import subprocess, io

    if mode == "r":

        proc = subprocess.Popen(cmd,

                                shell=True,

                                stdout=subprocess.PIPE,

                                bufsize=buffering)

        return _wrap_close(io.TextIOWrapper(proc.stdout), proc)

    else:

        proc = subprocess.Popen(cmd,

                                shell=True,

                                stdin=subprocess.PIPE,

                                bufsize=buffering)

        return _wrap_close(io.TextIOWrapper(proc.stdin), proc)