Most software projects benefit from having a piece of documentation that provides a quick start guide for setting up, using, and contributing to the project. This is especially true in open-source projects where you typically want to attract users and contributors. This type of document is commonly known as a README
file, and you should add one to each Python project you create.
In this tutorial, you’ll learn:
README
file isREADME
fileREADME
filesREADME
file for platforms like PyPI and GitHubREADME
filesYou won’t need special knowledge to read through this tutorial. However, to start creating your own README
files, you should familiarize yourself with markup languages, such as Markdown and reStructuredText.
Get Your Template: Click here to download the free template you can use to create your own great README files.
Take the Quiz: Test your knowledge with our interactive “Creating Great README Files for Your Python Projects” quiz. You’ll receive a score upon completion to help you track your learning progress:
What Is aREADME
File?
A README
file is a document that you typically add to the root directory of a software project. It’s often a short guide that provides essential information about the project. The README
file aims to help users and developers understand the project’s purpose, how to use it, and how to contribute to it. It’s also a way to communicate with potential users, collaborators, and contributors.
README
files are typically plain text files that are the most visible piece of documentation and often the landing page for many software projects, including open-source projects.
In most cases, the file name is written in uppercase letters to draw the user’s attention and ensure it’s the first thing they read.
A README
should contain only the necessary information for users, collaborators, and developers to get started using and contributing to your project. For more extended documentation, wikis or dedicated documentation pages are more appropriate and recommended.
README
in Your Python Projects?
README
files have a long history in free and open-source software. The GNU Coding Standards encourage you to include a README
to provide a general overview of the package’s contents. However, this type of file isn’t limited to free and open-source projects. You can add a README
to any project you like.
Why should you spend time writing a README
file for your Python projects? Here are a few general reasons:
README
files are kind of a standard in the software industry.README
file is frequently the first thing your users will notice or search for when they find your project.README
file helps your project stand out from other projects.README
file differentiates a good project from a bad one.README
files are often displayed as the project’s landing page on software development platforms like GitHub and GitLab.From a more specialized point of view, a good README
file can help you:
These are just a few of the benefits of adding a README
file to your Python projects. So, what do you think? Is it worth it to add them?
README
File?
First, you should know that there isn’t one right way to structure a high-quality README
file. In practice, the content and sections you include in this file will depend on your specific project. However, you’ll find that most README
files have common sections, such as the project’s name, the instructions on how to set up and use the project, guidelines for contributing to the project, and similar topics.
In the following sections, you’ll learn about the most commonly used sections in README
files and their content.
README
Files
Before discussing how to organize a README
file in a well-structured document with pertinent sections, you’ll briefly consider the general content that most README
files contain. To approach this topic for a given Python project, you try to answer the following questions:
Once you’ve considered these questions, you’ll have enough background information to start writing your project’s README
. First, you should have a reasonable, readable, and engaging name for your project. This is often a surprisingly challenging step!
Once you have a name, you can start thinking of what content to include in the project’s README
. Here’s a quick and non-exhaustive list of common topics. Note that some of these sections are only relevant to open-source projects:
LICENSE.txt
file under your project’s root folder and then link to that file. For an open-source Python project, you could go to opensource.org and get the license that meets your needs.Again, this list of sections isn’t exhaustive. It only identifies the most commonly used sections in a typical README
file.
For README
files that are on the long side, you should include a table of contents at the beginning of the file to facilitate navigation through the file’s content.
README
Files
If you use a platform like GitHub to host your project’s source code, then you can include some cool badges in your README
file. Badges are little pictures that you can use in GitHub or GitLab README
files. For example, you can add some of the following badges to provide additional information about your project in a visual fashion:
You can add these and several other badges to your project’s README
as a way to visually showcase essential details about the project.
You can use badges from several online services. Some of these services include:
For a list of badges to use in your project’s README
, take a look at the Awesome Badges repository on GitHub.
Finally, if you use GitLab to host your project’s source code, you should check out their badge-related page in their official documentation. On this page, you’ll find detailed instructions on how to set up badges for a given project.
Which Document Format Can You Use for aREADME
?
To write a README
file for a Python project, you’ll use a plain text file. You can structure the file’s content using different markup languages. The two most commonly used languages are the following:
Here’s a quick comparison of both languages:
Feature Markdown reStructuredText Syntax Simple and minimal More elaborate and comprehensive File extension.md
.rst
Headers #
, ##
, ###
, … ====
, ----
, ~~~~
, … Lists Ordered and unordered Ordered and unordered Links [text](url)
text <url>
Images 
.. image:: url
Emphasis **bold**
, *italic*
**bold**
, *italic*
Code blocks Indented with 4 spaces or backticks Indented with 4 spaces, ::
Tables Basic table support More advanced table support Footnotes Limited support More complete support Table of contents generation Limited Built-in support Extensions and plugins Various extensions available Rich built-in directives and roles Use cases Blog posts, documentation, notes Comprehensive documentation, books Rendering Widely supported Supported through specific tools Learning curve Low Medium to high
Both languages have their pros and cons. Markdown is often preferred for README
files because, in most cases, this type of file doesn’t require complex formatting. In contrast, if your README
file requires advanced formatting features, then reStructuredText can be a better option.
Popular online software development platforms, such as GitHub and GitLab, provide support for both markup languages. When it comes to Markdown, both platforms have their own flavors. If your project’s source code is hosted in one of these platforms, then you should check out the corresponding flavored Markdown specification.
How Can You Prepare YourREADME
for PyPI or GitHub?
When you publish your projects to the Python Package Index (PyPI) or host the project’s source code in a platform like GitHub, you may need to follow some requirements or guidelines to build your README
files.
In the following sections, you’ll learn about these requirements and guidelines, focusing on PyPI and GitHub.
README
Files for PyPI
Having a great README
file for your Python project hosted in PyPI can help it stand out from similar projects on the platform. A well-crafted README
creates a good first impression about the quality of your project.
For your README
to display nicely on PyPI, you can use either Markdown or reStructuredText markup language. You can also use plain text, but by doing so, you’ll have limited formatting options.
If you choose Markdown language, then you should use the GitHub-flavored Markdown. On the other hand, if you go with reStructuredText, then you can use the standard syntax without Sphinx extensions.
Finally, it’s customary to save your README
file in the project’s root folder. This way, PyPI will automatically detect the README
and display it as the project’s landing page.
README
Files for GitHub
When you host your project’s code on GitHub as an open-source project, then you should use the GitHub-flavored Markdown and save the README
file in your project’s root folder or the repository’s .github/
or docs/
directories.
If you place the README
in one of these folders, GitHub will recognize it and automatically surface the file to visitors who find your repository.
To dive deeper into GitHub’s features related to README
files, check out the About READMEs page. Among other topics, you’ll find the following:
README
filesREADME
files and blob pagesREADME
filesWith these guidelines, you’ll be able to quickly create a README
file for a new project or customize an existing README
.
Because README
files are so popular and useful for software projects, you’ll find many tools on the Internet that allow you to automate the README
creation process.
Note: You can create your project’s README
file using any plain text editor. You don’t have to use a dedicated tool for this task.
In the following sections, you’ll be pointed to some online tools for README
creation. You’ll also get to know some other tools that you can use to create your README
files, including Markdown and reStructuredText online editors.
README
Generators
A quick search for README
creation tools will give you a list of amazing tools that you can use to automate the creation of these files in your Python projects. Here’s a quick list of some useful ones:
README
. Make a README
An online editable README
template with live Markdown rendering. readme-md-generator
A command-line interface (CLI) app that generates README.md
files. It suggests default answers by reading your package.json
and git
configuration.
The readme.so online README
editor is a cool tool for README
creation. The editor looks something like this:
On the left-side panel, you have a list of common sections for README
files. You can click the desired section to add it to your README
. You can also create custom sections. Once you select a section, its content will be displayed in the editor in the middle. The right-side panel shows the preview.
When you finish creating the file with all the desired sections, you can click the Download button on the top-right corner of the screen to save the file to your local drive.
The Make a README tool provides a README
template and a Markdown editor with a preview. Finally, the readme-md-generator
tool is a command-line interface app that guides you through the process of creating a README
file using a series of quick questions. After you answer the questions, you’ll have the README
file in your working directory.
You can also use a regular Markdown editor to create your Python projects’ README
files. Here’s a quick list of online Markdown editors that you can use for this purpose:
With these online tools, you can create, edit, and format your README
files using Markdown language.
If you prefer the reStructuredText markup language for writing your README
files, then you can use one of the following online editors:
These tools can help you write your README
files without installing a reStructuredText editor on your local machine.
README
Templates?
To create README
files for your Python projects, a predefined template can be of great help. In the collapsible section below, you’ll find a template based on the guidelines discussed in this tutorial:
You can download this template by clicking one of the download links provided in this tutorial. Here are some other cool README
templates:
The first template is by Dan Bader, the owner and editor-in-chief of Real Python and the leading developer of the realpython.com learning platform. The last two templates are from individual repositories on GitHub.
Alternatively, you can check out the GitHub README Templates site, which groups several README
templates from different authors. The site allows you to preview the template, copy its content as Markdown code, and browse its repository on GitHub.
Finally, if you want to inspire yourself by looking at some well-crafted README
files from real-world projects, check out the Awesome README repository on GitHub.
You’ve learned to create, organize, and format high-quality README
files for your Python projects. This type of file is a short piece of documentation that typically provides an overview of a project, including instructions on installing, using, and contributing to the project. README
files are especially handy for open-source Python projects.
In this tutorial, you’ve learned:
README
file isREADME
fileREADME
filesREADME
file for platforms like PyPI and GitHubREADME
filesWith this knowledge, you’re now prepared to start adding high-quality and well-crafted README
files to your Python projects.
Get Your Template: Click here to download the free template you can use to create your own great README files.
Take the Quiz: Test your knowledge with our interactive “Creating Great README Files for Your Python Projects” quiz. You’ll receive a score upon completion to help you track your learning progress:
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