In this post we'll talk about the Atom editor which is, as they say, A hackable text editor for the 21st Century.
It's a really nice, open source and modern editor, with a broad community that provides different and new packages and functionalities. Have you tried it yet?
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Here, you'll learn how to install it and how to configure it to write Python code. Principle 2 1 1. Let's start! 🙂
First, download Atom from the official webpage.
Once installed, if you have a Mac or Windows, you'll have two commands available: atom and apm. The first one is for opening the Atom editor, and the second one for installing Atom packages. We'll see an example of both in the following.
Edit a Python file and use Atom's Autocomplete
Let's start by creating a Python file with:
This will open the file in Atom, and you'll see the containing folder with all its contents on the left sidebar.
In the new file, if you type de, you'll see that it suggests if you want to create a new function. This is because Atom has detected that the file extension is a Python extension.
If you type the Tab key, you'll see a template for a new function:
Note that you have the fname highlighted. This is because you can now type the name of your function and it will replace fname. Let's name our function product.
Next, if you hit the Tab key again, the arguments of the function, arg, will be now selected. Just write x,y, as we need two different arguments for our function.
Finally, hit the Tab key again to select the body of our function, pass, and replace it for our code. The end function should be something like:
2 | returnx *y |
Also notice the blue circle next to the file name. This means that there are unsaved changes in your current file. Movavi screen recorder studio 10 2 0 free. You can save it just typing the usual cmd+c (or ctrl+c in windows).
Linter for Atom
Linter is an Atom package that provides a top level API so that there is a unification among all the linter atom plugins. This means that all the extra packages that you install, that highlight your code (for example to detect errors) will use a unified method.
To install it, just type:
Next, we're going to install a Python Linter package, to help us detect errors in our Python code.
This package is called linter-flake8 and it's an interface to flake8. To install it, you need to run:
process.env.PATH=['/usr/local/bin/',process.env.PATH].join(':') |
Restart Atom the apply these changes. It should work now 😉
Moreover, there are Linters for other languages like HTML, CSS or Javascript. You can find a list here.
Further customisation for Python to follow PEP8
Here I'll show you how you can configure Atom to follow PEP8, the official Python styling guide.
First, open the Atom –> Preferences window.
1. Use spaces instead of tabs.
Scroll down the Settings panel until you see the Soft Tabs option. Make sure it's checked. This setting will convert tabs into spaces automatically.
2. Set the tab length to 4 spaces
A little below the Soft Tab setting, you'll see the Tab Length. Set it to 4 spaces.
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3. Automatic PEP8 validation.
If you installed the linter-flake8 package discussed in the previous section, you already have automatic PEP8 validation 🙂
Keybindings customisation
In the same Preferences panel, you can see the Keybindings menu on the left. There, you'll find a list of all the default keybindings active in your Atom editor.
However, by default, Atom confirms an autocomplete suggestion with both the Tab and Enter keys. But I only want to use the Tab key.
In order to disable Enter as an autocomplete confirm key, we need to go to the Keybindings menu where you'll see a link that says your keymap file. Click on that link to open the keymap.cson file.
There, you need to write:
2 | # Disable Enter key for confirming an autocomplete suggestion 'enter':'editor:newline' |
Save the file and you'll see the changes immediately. No need to restart Atom 🙂
Other Useful Packages
Atom 1 14 3 Download Free
Project manager: a package for saving your projects.
Atom Django: Django support for Atom
Minimap: Displays a small map of the current file on the right side of your document (like Sublime Text by default).
Do you use other Packages? Write a comment below about them! 🙂 Eaglefiler 1 8 12 x 2.
Latest Version:
Atom 1.58.0 LATEST
Requirements:
Mac OS X 10.8 or later
Author / Product:
Atom Team / Atom for Mac
Old Versions:
Filename:
atom-mac.zip
Details:
Atom for Mac 2021 full offline installer setup for Mac
Atom 1 14 3 download free. full Version
If you can't find what you're looking for, you can also install themes created by the app community or create your own. It's easy to customize and style Atom for macOS. You can tweak the look and feel of your UI with CSS/Less and add major features with HTML and JavaScript. Check out the video on setting up the tool. The tool is a Mac desktop application built with HTML, JavaScript, CSS, and Node.js integration. It runs on Electron, a framework for building cross platform apps using web technologies.
Features and Highlights
Cross-platform editing
The tool works across operating systems. You can use it on macOS, Windows, or Linux.
Built-in package manager
Search for and install new packages or start creating your own—all from within the app.
Smart autocompletion
The app helps you write code faster with a smart, flexible autocomplete.
File system browser
Easily browse and open a single file, a whole project, or multiple projects in one window.
Multiple panes
Split your Atom interface into multiple panes to compare and edit code across files.
Find and replace
Find, preview, and replace text as you type in a file or across all your projects.
Note: Requires 64-bit processor.
Also Available: Download Atom for Windows