IDLE¶ IDLE is an integrated development environment that is part of the Python standard distribution. It is completely written in Python and uses the Tkinter GUI toolkit. Though IDLE is not suited for full-blown development using Python, it is quite helpful to try out small Python snippets and experiment with different features in Python. We would like to show you a description here but the site won’t allow us.
Text Editors¶
There are currently two versions of Python available: 3.x.x and 2.7.10. Python makes both available to download, but new users should choose the 3.x.x version. Download the 2.7.10 if you are going to be working with legacy Python code or with programs and libraries that haven't adopted 3.x.x yet. This guide will assume you are installing 3.x.x.
Just about anything that can edit plain text will work for writing Python code;however, using a more powerful editor may make your life a bit easier.
Vim¶
Vim is a text editor which uses keyboard shortcuts for editing instead of menusor icons. There are a couple of plugins and settings for the Vim editor toaid Python development. If you only develop in Python, a good start is to setthe default settings for indentation and line-wrapping to values compliant withPEP 8. In your home directory, open a file called .vimrc and add thefollowing lines:
With these settings, newlines are inserted after 79 characters and indentationis set to 4 spaces per tab. If you also use Vim for other languages, there is ahandy plugin called indent, which handles indentation settings for Pythonsource files.
There is also a handy syntax plugin called syntax featuring some improvementsover the syntax file included in Vim 6.1.
These plugins supply you with a basic environment for developing in Python. Toget the most out of Vim, you should continually check your code for syntaxerrors and PEP8 compliance. Luckily pycodestyle and Pyflakes will do thisfor you. If your Vim is compiled with +python you can also utilize somevery handy plugins to do these checks from within the editor.
For PEP8 checking and pyflakes, you can install vim-flake8. Now you can map thefunction Flake8 to any hotkey or action you want in Vim. The plugin willdisplay errors at the bottom of the screen, and provide an easy way to jump tothe corresponding line. It’s very handy to call this function whenever you savea file. In order to do this, add the following line to your.vimrc:
If you are already using syntastic, you can set it to run Pyflakes on writeand show errors and warnings in the quickfix window. An example configurationto do that which also shows status and warning messages in the statusbar wouldbe:
Python-mode¶
Python-mode is a complex solution for working with Python code in Vim.It has:
- Asynchronous Python code checking (
pylint,pyflakes,pycodestyle,mccabe) in any combination - Code refactoring and autocompletion with Rope
- Fast Python folding
- Virtualenv support
- Search through Python documentation and run Python code
- Auto pycodestyle error fixes
And more.
SuperTab¶
SuperTab is a small Vim plugin that makes code completion more convenient byusing <Tab> key or any other customized keys.
Emacs¶
Emacs is another powerful text editor. It is fully programmable (Lisp), butit can be some work to wire up correctly. A good start if you’re already anEmacs user is Python Programming in Emacs at EmacsWiki.
- Emacs itself comes with a Python mode.
TextMate¶
Sublime Text¶
Sublime Text has excellent support for editing Python code and uses Python forits plugin API. It also has a diverse variety of plugins,some of which allow forin-editor PEP8 checking and code “linting”.
Atom¶
Atom is web native (HTML, CSS, JS), focusing on modular design and easy plugindevelopment. It comes with native package control and a plethora of packages.Recommended for Python development isLinter combined withlinter-flake8.
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Python (on Visual Studio Code)¶
Python for Visual Studio is an extension for the Visual Studio Code.This is a free, lightweight, open source code editor, with support for Mac, Windows, and Linux.Built using open source technologies such as Node.js and Python, with compelling features such as Intellisense (autocompletion), local and remote debugging, linting, and the like.
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MIT licensed.