【PE/Python】python IDLE添加行号显示

   
    转载自：http://blog.csdn.net/listener51/article/details/79052155

       1、下载LineNumber.py

http://idlex.sourceforge.net/extensions.html

https://sourceforge.net/projects/idlex/?source=typ_redirect

IDleX----IDLE Extensions for Python

Features

• Terminal-like behavior for Shell. Cursor stays in prompt and up/down arrow keys cycle the command history.
• Persistent history of Shell commands across sessions.
• Paste and run multiple lines in the shell.
• Non-blocking interactive GUI development for Tkinter, GTK, Qt, Qt4, PySide, wxPython
• Matplotlib support for interactive figures when using the subprocess.
• Clear Shell Window without restarting Shell.
• Capture large output and display it as an expandable button.
• Tabbed editor windows with drag'n'drop reordering.
• Improved code navigation with Code Browser.
• Line numbers for the editor.
• Find and Replace as a toolbar with incremental searching.
• Intelligent Paste from Shell. (remove >>> prompts)
• Highlight tabs (\t) in editor to help fix tab/space issues.
• Integrated reindent.py support.
• Horizontal scroll bar for the editor.
• Export contents with syntax highlighting as HTML.
• Cython editing and execution support.
• Execute highlighted code or a single line from the editor with F9.
• SubCodes, similar to MATLAB cell mode and IPython/Sagemath cells, for quick code prototyping without restarting the shell.
• Run parts of a script separated by "##" markers in the editor with Ctrl+Return.
• Stop a running script with Ctrl+C from the Editor.
• Documentation Viewer to view help() and doc strings in a separate window.
• Simple interface for enabling/disabling extensions.
• Right-click context menu with Cut, Copy, and Paste.

2、配置方法

（1）先下载LineNumber.py文件。然后将文件放在python安装目录下的idlelib目录下

（2）然后再用文本编辑器打开idlelib目录下的config-extensions.def文件。将如下配置参数写入文件：

[LineNumbers]

enable=1

enable_editor=1

enable_shell=0

visible=1

再保存此文件，重新打开idle即可。