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Contributing

Issues

You can find our open issues in the project's issue tracker. Please let us know if you find any issues or have any feature requests there.

Contributing

If you want to contribute to the project, your help is very welcome. Just fork the project, make your changes and send us a pull request. You can find the detailed description of how to do this in Github's guide to contributing to projects.

Our Roadmap page is a comprehensive list of tasks we want to do in the future. It is a good place to start if you want to contribute to Vizzu. In case you have something else in mind, that's awesome and we are very interested in hearing about it.

CI-CD

Development environment

For contributing to the project, it is recommended to use Python 3.13 as the primary programming language for most parts of the source code. However, a specific portion of the codebase is written in JavaScript. If you plan to contribute to this JavaScript part or the documentation, you will need Node.js, preferably version 22.

The following steps demonstrate how to set up the development environment on an Ubuntu 24.04 operating system. However, the process can be adapted for other operating systems as well.

To start using the ipyvizzu development environment, you need to create a virtual environment and install pdm within it.

python3.13 -m venv ".venv"
source .venv/bin/activate
pip install pdm==2.22.3

Once set up, you can install development dependencies:

pdm install
pdm run deploy

For contributing to the documentation you need to install npm development dependencies:

npm install

The development requirements are installed based on the pdm.lock and package-lock.json files. To update the development requirements, you can use the command pdm run lock.

Note: For all available pdm scripts, run pdm run --list.

For better development practices, you can set up pre-commit and pre-push hooks in your local Git repository. The pre-commit hook will format the code automatically, and the pre-push hook will run the CI steps before pushing your changes.

pre-commit install --hook-type pre-commit --hook-type pre-push -c ./tools/ci/.pre-commit-ubuntu.yaml

Note: The provided .pre-commit-ubuntu.yaml configuration file is tailored for Ubuntu 24.04. If you intend to use another operating system, you may need to create a custom configuration file suitable for that environment.

CI

The CI pipeline includes code formatting checks, code analysis, typing validation, and unit tests for the ipyvizzu project.

To run the entire CI pipeline, execute the following pdm script:

pdm run ci

However, if you want to run the CI steps on specific parts of the project, you can use the following scripts: ci-src-py, ci-src, ci-docs, or ci-tools.

Formatting

You can check the code's formatting using the format script:

pdm run format

If you need to fix any formatting issues, you can use the fix-format script:

pdm run fix-format

If you wish to format specific parts of the project, you can use the following scripts: format-src-py, format-src, format-docs, format-tools, or fix-format-src-py, fix-format-src, fix-format-docs, fix-format-tools.

Code analyses

To perform code analyses, you can use the lint script:

pdm run lint

If you need to run code analyses for specific parts of the project, you can utilize the following scripts: lint-src-py, lint-src, lint-docs, or lint-tools.

Typing

For type checking, you can use the type script:

pdm run type

If you want to check specific parts of the project, you can use the following scripts: type-src or type-tools.

Testing

The project is tested using the unittest testing framework and tox. To run the tests, you can use the test script:

pdm run test

Documentation

Note: The preset, static, animated, and analytical operation examples are generated from the vizzu-lib repository. If you wish to build them as well, run the following command before building the site.

git clone --depth 1 https://github.com/vizzuhq/vizzu-lib.git

To build the documentation, you can use the build-docs script:

pdm run build-docs

You can read the online version at ipyvizzu.com.

Release

ipyvizzu is distributed on pypi. Note: You need to be an administrator to release the project.

To release ipyvizzu, follow the steps below:

  • Increase the version number in __version__.py. The version bump should be in a separate commit.

  • Generate the release notes and publish the new release on Releases.

Note: Publishing a new release will automatically trigger the cd workflow, which builds, checks, and uploads the ipyvizzu package to pypi.

Before making a release, you can build and check the package using the release script:

pdm run release