Python IDLE（shell清屏配置方法）

具體操作如下：

1.複製下面**：

"""

clear window extension
version: 0.2
author: roger d. serwy
[email protected]
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="""
class
clearwindow
:    menudefs =[(
'options',[
none,(
'clear shell window'
,'<>'),
]),]
def__init__
(self, editwin)
:        self.editwin = editwin
self.text = self.editwin.text
self.text.bind(
"<>"
, self.clear_window2)
self.text.bind(
"<>"
, self.undo_event)
# add="+" doesn't work
defundo_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)

3.找到python的安裝路徑：

電腦找到idle（python ），滑鼠右鍵->屬性

之後進入我的電腦，按照上面的路徑，找到：

開啟lib:

開啟idlelib:

將clearwindow.py檔案放進來

4.用記事本開啟config-extensions.def:

在檔案末尾加上：

[clearwindow]

enable=1
enable_editor=0
enable_shell=1
[clearwindow_cfgbindings]
clear-window=

開啟python shell,

options下如果出現：clear shell window ctrl + l則配置成功

這時shell清屏就可以用 ctrl + l了

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