zoukankan      html  css  js  c++  java
  • python3 shell 中添加清屏

    在windows中:

      安装目录 Lib(  D:Python37Lib) 中添加 ClearWindow.py 文件,文件内容:

    """
    
    Clear Window Extension
    
    Version: 0.2
    
    Author: Roger D. Serwy
    
            roger.serwy@gmail.com
    
    Date: 2009-06-14
    
    It provides "Clear Shell Window" under "Options"
    
    with ability to undo.
    
    Add these lines to config-extensions.def
    
    [ClearWindow]
    
    enable=1
    
    enable_editor=0
    
    enable_shell=1
    
    [ClearWindow_cfgBindings]
    
    clear-window=<Control-Key-l>
    
    """
    
    class ClearWindow:
    
        menudefs = [
    
            ('options', [None,
    
                   ('Clear Shell Window', '<<clear-window>>'),
    
           ]),]
    
        def __init__(self, editwin):
    
            self.editwin = editwin
    
            self.text = self.editwin.text
    
            self.text.bind("<<clear-window>>", self.clear_window2)
    
            self.text.bind("<<undo>>", self.undo_event)  # add="+" doesn't work
    
        def undo_event(self, event):
    
            text = self.text
    
            
    
            text.mark_set("iomark2", "iomark")
    
            text.mark_set("insert2", "insert")
    
            self.editwin.undo.undo_event(event)
    
            # fix iomark and insert
    
            text.mark_set("iomark", "iomark2")
    
            text.mark_set("insert", "insert2")
    
            text.mark_unset("iomark2")
    
            text.mark_unset("insert2")
    
            
    
        def clear_window2(self, event): # Alternative method
    
            # work around the ModifiedUndoDelegator
    
            text = self.text
    
            text.undo_block_start()
    
            text.mark_set("iomark2", "iomark")
    
            text.mark_set("iomark", 1.0)
    
            text.delete(1.0, "iomark2 linestart")
    
            text.mark_set("iomark", "iomark2")
    
            text.mark_unset("iomark2")
    
            text.undo_block_stop()
    
            if self.text.compare('insert', '<', 'iomark'):
    
                self.text.mark_set('insert', 'end-1c')
    
            self.editwin.set_line_and_column()
    
        def clear_window(self, event):
    
            # remove undo delegator
    
            undo = self.editwin.undo
    
            self.editwin.per.removefilter(undo)
    
            # clear the window, but preserve current command
    
            self.text.delete(1.0, "iomark linestart")
    
            if self.text.compare('insert', '<', 'iomark'):
    
                self.text.mark_set('insert', 'end-1c')
    
            self.editwin.set_line_and_column()
    
            # restore undo delegator
    
            self.editwin.per.insertfilter(undo)

    复制文件 ClearWindow.py 文件D:Python37Libidlelib 目录中,在当前目录下有 config-extensions.def ,在文件末添加代码:

    [ClearWindow]
    enable=1
    enable_editor=0
    enable_shell=1
    [ClearWindow_cfgBindings]
    clear-window=<Control-Key-;>

  • 相关阅读:
    递归--练习5--noi1751分解因数
    递归--练习4--noi666放苹果
    递归--练习3--noi7592求最大公约数问题
    递归--练习2--noi6261汉诺塔
    递归--练习1--noi3089爬楼梯
    JavaScript--语法4--函数1
    JavaScript--语法3--数组
    JavaScript--练习1--99乘法表
    应用排行榜第一名脸萌仅仅是刹那的烟火
    Readprocessmemory使用方法
  • 原文地址:https://www.cnblogs.com/a-dong/p/10452872.html
Copyright © 2011-2022 走看看