safe_popen.py 文件源码

def __init__(self, cmdline, bufsize=None, stdin=None, stdout=PIPE):
        popen_args = dict(
            args = safe_popen_args(cmdline),
            shell = False,
            stdin = stdin,
            stdout = stdout,
            preexec_fn = lambda: signal(SIGPIPE, SIG_DFL),
        )
        if bufsize != None:
            popen_args['bufsize'] = bufsize
        super(SafePopen, self).__init__(**popen_args)
        self.__cmdline = cmdline