def rapid_upload(self):
        '''快速上传.

        如果失败, 就自动调用分片上传.
        '''
        info = pcs.rapid_upload(self.cookie, self.tokens,
                                self.row[SOURCEPATH_COL], self.row[PATH_COL],
                                self.upload_mode)
        if info and info['md5'] and info['fs_id']:
            self.emit('uploaded', self.row[FID_COL])
        else:
            self.slice_upload()
快速上传.

        如果失败, 就自动调用分片上传.