visual.py 文件源码

def autoscroll(threshhold):
    if threshhold==0:  # alway scroll !not good
        javastring = '''
        IPython.OutputArea.prototype._should_scroll = function(lines) {
            return true;
        }
        '''
    elif threshhold==-1:  # never scroll !not good
        javastring = '''
        IPython.OutputArea.prototype._should_scroll = function(lines) {
            return false;
        }
        '''
    else:
        javastring = 'IPython.OutputArea.auto_scroll_threshold = ' + str(threshhold)
    display(Javascript(javastring))