def net_copy_back(self, source_file, dest_file):
        """ Copies files or directories to a remote computer. """
        print "Start copying files " + source_file +  " back from " + self.ip
        if self.username == '':
            shutil.copy(source_file, dest_file)
        else:
            self._wnet_connect()
            source_unc =  self._covert_unc(source_file)
            shutil.copyfile(source_unc, dest_file)
 Copies files or directories to a remote computer. 
recipes/Python/577945_Execute_remote_commands_windows_like/recipe-577945.py