message.py 文件源码

def to(self, *args):
        '''
        get/set the 'device' to which messages are sent.

        Valid targets are:

            string filenames:           '/tmp/test.log'
            remote hosts:               'pretoria:1701'
            system devices:             sys.stdout, sys.stderr
            special names:              'stdout'
            file handles:               open('/tmp/test.log')

        '''
        if len(args):
            self._logFile = args[0]
            if self._logHandle and self._logHandle != sys.stdout:
                self._logHandle.close()

            # if type(self._logFile) is types.FileType:
            if isinstance(self._logFile, IOBase):
                self._logHandle = self._logFile
            elif self._logFile == 'stdout':
                self._logHandle = sys.stdout
            elif self.socket_parse(self._logFile):
                self._logHandle = C_dgmsocket(
                                            self._socketRemote,
                                            int(self._socketPort))
            else:
                self._logHandle = open(self._logFile, "a")
            self._sys_stdout      = self._logHandle
        else:
            return self._logFile