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AllenNLP Guide

Contributing

Fixing chapter content

Pull requests to fix / improve chapter content are welcome! The chapters are written in markdown, and you can find them under chapters/. When there's an executable code block, the code for it will be found under exercises/. For fixing chapter content, those are the only two directories you should need to worry about in here.

Requesting new chapters

If there's something you'd like to see in the AllenNLP Guide that's not currently there, we'd love to hear about it! Please look at the currently-open issues for chapter requests. If what you're looking for is listed there, please add an emoji reaction to the issue description, so we know what to prioritize. If you would like a chapter that's not listed there, feel free to open a new issue describing what you're looking for.

Adding a new chapter

If you'd like to contribute a chapter, please let us know in the appropriate github issue (mentioned above). Once we've given a green light, just open a PR with a new markdown file under the right section in chapters/, along with a corresponding entry in src/outline.js. See below for info on how to do local development when writing the chapter.

Running the app

To start the local development server, install Gatsby and then all other dependencies. This should serve up the app on localhost:8000.

npm install -g gatsby-cli  # Install Gatsby globally
npm install                # Install dependencies
npm run dev                # Run the development server

Formatting

This app uses REVIZ-preferred code formatting. To ensure components are formatted correctly, you can run the following command to check and fixing linting issues before committing changes.

npm run lint:fix

Mobile Development

If you're developing on a Mac and wish to test changes on an iPhone, the following command will allow the Gatsby server running locally on your machine to be accessed by any device connected to the same Wi-fi network:

gatsby develop -H $(hostname) -p 8000

Look for the web address and port that the Gatsby server exposes. It should look something like http://YOUR-COMPUTER-NAME.local:8000/.

Dependencies

Back-end

This app is deployed via Skiff and code exercises are run via Binder and JupyterLab.

Front-end

Like most AI2 web apps, the front-end is powered by the Varnish UI component library and its dependencies (React, Ant Design, and Styled Components).

Unlike most AI2 web apps, package management is handled via NPM instead of Yarn, and the routing and static site generation is driven by Gatsby instead of NextJS. This app also does not use TypeScript, as it was not included in the template that this app was forked from.

Read-only code blocks are rendered with Prism and interactive code blocks are rendered with CodeMirror.

See package.json for list of all packages used in this app.

Static assets

All files added to /static will become available at the root of the deployed site. For example, /static/diagram.svg can be referenced in the guide as /diagram.svg.

Chapters

Chapters are placed in /chapters and are Markdown files consisting of <exercise> components. They'll be turned into pages, e.g. /overview. In their frontmatter block at the top of the file, they need to specify type: chapter, as well as the following meta:

---
title: The chapter title
description: The chapter description
type: chapter # important: this creates a standalone page from the chapter
---

outline.js and Chapter Organization

Chapter navigation is rendered programmatically via outline.js. Chapters are grouped into "parts," as can be seen in the structure of the outline data object. There is a special chapter called Overview that always appears as the first top-level item in the outline.

Each part supports the following properties:

Property Type Description
title string Unique part title.
description string Part description.
chapterSlugs array of strings List of chapter slugs
icon string Optional icon (defaults to 'default').
antMenuIcon string Optional Ant Icon for use in outline nav
color string Optional color (defaults to 'default')

Custom Elements

When using custom elements, make sure to place a newline between the opening/closing tags and the children. Otherwise, Markdown content may not render correctly.

<exercise>

Container of a single exercise.

Argument Type Description
id number / string Unique exercise ID within chapter.
title string Exercise title.
children - The contents of the exercise.
<exercise id="1" title="Introduction">

Content goes here...

</exercise>

<codeblock>

Argument Type Description
id number / string Unique identifier of the code exercise.
source string Name of the source file (without file extension).
setup string Name of the setup file (without file extension).
<codeblock source="part1/training-and-prediction/training" setup="part1/setup"></codeblock>

Setting up Binder

The requirements.txt in the repository defines the packages that are installed when building it with Binder. You can specify the binder settings like repo, branch and kernel type in the "juniper" section of the meta.json. If modifying these fields, it is recommended that you run the very first build via the interface on the Binder website, as this gives you a detailed build log and feedback on whether everything worked as expected. Enter your repository URL, click "launch" and wait for it to install the dependencies and build the image.

Binder


This guide was initially forked from the course-starter-python template developed by Ines Montani.

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