sdserver.py 文件源码

def truncateSession(self, truncateParams, prevSessionName='', prevMsgs=[], rollingOver=False):
        # Truncate session (possibly after rollover)
        sessionName = truncateParams['sessionName']
        sessionPath = getSessionPath(sessionName, site_prefix=True)

        try:
            errMsg = self.uploadSession(truncateParams['uploadType'], truncateParams['sessionNumber'], truncateParams['sessionName']+'.md', truncateParams['sessionText'], truncateParams['fname2'], truncateParams['fbody2'], modify='truncate', rollingOver=rollingOver)

        except Exception, excp:
            if Options['debug']:
                import traceback
                traceback.print_exc()
            raise tornado.web.HTTPError(404, log_message='CUSTOM:Error in truncating rolled over session %s: %s' % (sessionName, excp))

        if errMsg:
            if self.previewState:
                self.discardPreview()
            if prevSessionName:
                self.displayMessage('Error in truncating rolled over session '+sessionName+': '+errMsg, back_url=sessionPath)
            else:
                self.set_header('Content-Type', 'application/json')
                retval = {'result': 'error', 'error': errMsg}
                self.write( json.dumps(retval) )
            return

        self.previewState['modimages'] = 'clear'

        previewPath = '/_preview/index.html'
        if Options['site_name']:
            previewPath = '/'+Options['site_name']+previewPath

        if prevSessionName:
            html_prefix = 'Rolled over %s slides from session %s to session %s. Proceed to preview of truncated session <a href="%s">%s</a>' % (truncateParams['slidesRolled'], sessionName, prevSessionName, previewPath, sessionName)
            self.displayMessage(prevMsgs, html_prefix=html_prefix)
        else:
            self.set_header('Content-Type', 'application/json')
            retval = {'result': 'success'}
            self.write( json.dumps(retval) )