dialog.py 文件源码

def _write_command_to_file(self, env, arglist):
        envvar_settings_list = []

        if "DIALOGRC" in env:
            envvar_settings_list.append(
                "DIALOGRC={0}".format(_shell_quote(env["DIALOGRC"])))

        for var in self._lowlevel_exit_code_varnames:
            varname = "DIALOG_" + var
            envvar_settings_list.append(
                "{0}={1}".format(varname, _shell_quote(env[varname])))

        command_str = ' '.join(envvar_settings_list +
                               list(imap(_shell_quote, arglist)))
        s = "{separator}{cmd}\n\nArgs: {args!r}\n".format(
            separator="" if self._debug_first_output else ("-" * 79) + "\n",
            cmd=command_str, args=arglist)

        self._debug_logfile.write(s)
        if self._debug_always_flush:
            self._debug_logfile.flush()

        self._debug_first_output = False