Any way to clear python s IDLE window

Question

I know there s a similar topic about python console  but I do not know if they are the same  I tried system  clear   and it didn t work here   How do I clear python s IDLE window

User · Answer

This works for me in Windows   print chr 12

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It seems like there is no direct way for clearing the IDLE console   One way I do it is use of exit   as the last command in my python script   py   When I run the script  it always opens up a new console and prompt before exiting   Upside   Console is launched fresh each time the script is executed  Downside   Console is launched fresh each time the script is executed

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You can make an AutoHotKey script   To set ctrl-r to a hotkey to clear the shell    r  SendInput print   n    50  Enter    Just install AutoHotKey  put the above in a file called idle clear ahk  run the file  and your hotkey is active

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An extension for clearing the shell can be found in Issue6143 as a  feature request   This extension is included with IdleX

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I got it with  import console  console clear    if you want to do it in your script  or if you are in the console just tap clear   and press enter   That works on Pyto on iPhone   It may depend on the console though

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The way to execute commands in Python 2 4  is to use the subprocess module  You can use it in the same way that you use os system   import subprocess subprocess call  clear     linux mac subprocess call  cls   shell True    windows   If you re executing this in the python console  you ll need to do something to hide the return value  for either os system or subprocess call   like assigning it to a variable   cls   subprocess call  cls   shell True

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The best way to do it on windows is using the command prompt  cmd  and access python directory the command prompt could be found on the start menu  run cmd  C   gt cd Python27 C  Python27 gt python exe Python 2 7 3  default  Apr 10 2012  23 24 47   MSC v 1500 64 bit  AMD64   on win32 Type  help    copyright    credits  or  license    for more information   gt  gt  gt import os  gt  gt  gt os system  cls     This will clear the screen and return the value 0

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Most of the answers  here do clearing the DOS prompt screen  with clearing commands  which is not the question  Other answers here  were printing blank lines to show a clearing effect of the screen    The simplest answer of this question is      It is not possible to clear python IDLE shell without some external module integration  If you really want to get a blank pure fresh shell just close the previous shell and run it again

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Create a function as such    def clear        os system  clear    and then when you get to the bottom of the Python IDLE you can just use clear

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File -  New Window  In the new window    Run -  Python Shell  The problem with this method is that it will clear all the things you defined  such as variables   Alternatively  you should just use command prompt    open up command prompt  type  cd c  python27   type  python example py    you have to edit this using IDLE when it s not in interactive mode  If you re in python shell  file -  new window   Note that the example py needs to be in the same directory as C  python27  or whatever directory you have python installed   Then from here  you just press the UP arrow key on your keyboard  You just edit example py  use CTRL   S  then go back to command prompt  press the UP arrow key  hit enter   If the command prompt gets too crowded  just type  clr   The  clr  command only works with command prompt  it will not work with IDLE

User · Answer

It seems it is impossible to do it without any external library   An alternative way if you are using windows and don t want to open and close the shell everytime you want to clear it is by using windows command prompt    Type python and hit enter to turn windows command prompt to python idle  make sure python is installed   Type quit   and hit enter to turn it back to windows command prompt  Type cls and hit enter to clear the command prompt  windows shell

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use this  for num in range 1 100       print   n

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I would recommend you to use Thonny IDE for Python  It s shell has  Clear Shell  option and you can also track variables created in a separate list  It s debugging is very good even comparing with modern IDEs  You can also write code in python file along with access to shell at the same place   And its lightweight

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I like to use   import os clear   lambda   os system  cls     or clear for Linux  clear

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gt  gt  gt  import os   gt  gt  gt def cls           os system  clear        gt  gt  gt cls     That does is perfectly   No  0  printed either

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If you are using the terminal   i am using ubuntu     then just use the combination of CTRL l from keyboard to clear the python script  even it clears the terminal script

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There is no need to write your own function to do this  Python has a built in clear function    Type the following in the command prompt   shell clear     If using IPython for Windows  it s  cls

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ctrl   L clears the screen on Ubuntu Linux

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There does not appear to be a way to clear the IDLE  shell  buffer

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As mark ribau said  it seems that there is no way to clear the Text widget in idle  One should edit the EditorWindow py module and add a method and a menu item in the EditorWindow class that does something like   self text tag remove  sel    1 0    end   self text delete  1 0    end     and perhaps some more tag management of which I m unaware of

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The  quot cls quot  and  quot clear quot  are commands which will clear a terminal  ie a DOS prompt  or terminal window    From your screenshot  you are using the shell within IDLE  which won t be affected by such things   Unfortunately  I don t think there is a way to clear the screen in IDLE   The best you could do is to scroll the screen down lots of lines  eg  print   quot  n quot    100   Though you could put this in a function  def cls    print   quot  n quot    100   And then call it when needed as cls

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command   L  for MAC OS X    control   L  for Ubuntu   Clears the last line on the interactive session

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os system  clear   works on linux  If you are running windows try os system  CLS   instead   You need to import os first like this    import os

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None of these solutions worked for me on Windows 7 and within IDLE   Wound up using PowerShell  running Python within it and exiting to call  cls  in PowerShell to clear the window     CONS  Assumes Python is already in the PATH variable   Also  this does clear your Python variables  though so does restarting the shell    PROS  Retains any window customization you ve made  color  font-size

[python] Any way to clear python's IDLE window?

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