TerminalProcess.py 文件源码

def __init__(self, cmd, raw_debug = None):
        if os.name == "nt":
            raise RuntimeError, "Windows does not support pseudo-terminal devices"

        if cmd:
            # Spawn the new process in a new PTY
            self.exit_pipe, child_pipe = os.pipe()
            self.exit_callback = None

            pid, fd = pty.fork()
            if pid == 0:
                try:
                    os.environ["TERM"] = "xterm-256color"
                    if "PYTHONPATH" in os.environ:
                        del(os.environ["PYTHONPATH"])
                    if "LD_LIBRARY_PATH" in os.environ:
                        del(os.environ["LD_LIBRARY_PATH"])
                    if sys.platform == "darwin":
                        if "DYLD_LIBRARY_PATH" in os.environ:
                            del(os.environ["DYLD_LIBRARY_PATH"])

                    retval = subprocess.call(cmd, close_fds=True)
                    os.write(2, "\033[01;34mProcess has completed.\033[00m\n")
                    os.write(child_pipe, "t")
                    os._exit(retval)
                except:
                    pass
                os.write(2, "\033[01;31mCommand '" + cmd[0] + "' failed to execute.\033[00m\n")
                os.write(child_pipe, "f")
                os._exit(1)

            os.close(child_pipe)

            self.pid = pid
            self.data_pipe = fd
        else:
            self.exit_pipe = -1
            self.pid = -1
            self.data_pipe = -1

        self.rows = 25
        self.cols = 80
        self.term = TerminalEmulator(self.rows, self.cols)
        self.raw_debug = raw_debug
        self.completed = False

        self.term.response_callback = self.send_input

        if cmd:
            # Initialize terminal settings
            fcntl.ioctl(self.data_pipe, termios.TIOCSWINSZ, struct.pack("hhhh", self.rows, self.cols, 0, 0))
            attribute = termios.tcgetattr(self.data_pipe)
            termios.tcsetattr(self.data_pipe, termios.TCSAFLUSH, attribute)
        else:
            self.process_input("\033[01;33mEnter desired command arguments, then run again.\033[00m\r\n")
            self.completed = True