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Draft.js sample content generated with Markov chains of Project Gutenberg books.

Project description

markov_draftjs PyPI npm

Draft.js sample content generated with Markov chains of Project Gutenberg books.

This sample content is meant to be used while testing projects based on Draft.js, in particular Draftail and draftjs_exporter.


Sample content can be useful to stress-test and benchmark tools built to handle Draft.js content. For the exporter, this is a great way to reliably assess its performance.

The content from this repository isn't generated randomly – while the text and metadata values are fake, the content’s structure and the distribution of rich text formatting amongst the text is representative of that of 3 big CMS sites combined.

Here are rich text formats used in the content:

  • Blocks
    • unstyled
    • header-two
    • header-three
    • header-four
    • ordered-list-item, depth: 0 or 1
    • unordered-list-item, depth: 0 or 1
    • atomic
  • Inline styles
    • BOLD
    • ITALIC
  • Entities
    • LINK, MUTABLE with url (URL), linkType (page|external|email), optionally id (number)
    • DOCUMENT, MUTABLE with label (plain text), id (string containing a number)
    • IMAGE, IMMUTABLE with title (plain text), id (string containing a number), src (URL)

Using the sample content

In order to simplify using the samples across multiple projects, they are published as packages on npm and PyPI.

# JavaScript projects.
npm install markov_draftjs
# Python projects.
pip install markov_draftjs

Then, in JavaScript:

const contentStates = require("markov_draftjs");

And in Python:

from markov_draftjs import get_content_sample

content_states = get_content_sample()

The sample content is also available from GitHub, eg. with RawGit (warning - big file):


Requirements: virtualenv, pyenv, twine

git clone
cd markov_draftjs/

# Install the git hooks.

# Install dependencies
nvm install
npm install

# Unarchive sample text.
cd corpora/
tar -xzvf *.tar.gz
cd ..

# Install the Python environment.
virtualenv .venv
source ./.venv/bin/activate
make init

# Install required Python versions
pyenv install --skip-existing 3.10.0
# Make required Python versions available globally.
pyenv global system 3.10.0

# Generate new sample content.
npm run start


  • Use irish-pub to confirm the content of the npm package.
  • Make a new branch for the release of the new version.
  • Update the CHANGELOG.
  • Update the version number in markov_draftjs/, and package.json, following semver.
  • Make a PR and squash merge it.
  • Back on main with the PR merged, use make publish (confirm, and enter your password) and npm publish.
  • Finally, go to GitHub and create a release and a tag for the new version.
  • Done!

See also

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