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Contributing to hipscat

Contributing to hipscat#

Find (or make) a new GitHub issue#

Add yourself as the assignee on an existing issue so that we know who’s working on what. If you’re not actively working on an issue, unassign yourself.

If there isn’t an issue for the work you want to do, please create one and include a description.

You can reach the team with bug reports, feature requests, and general inquiries by creating a new GitHub issue.

Create a branch#

It is preferable that you create a new branch with a name like issue/##/<short-description>. GitHub makes it pretty easy to associate branches and tickets, but it’s nice when it’s in the name.

Set up a development environment#

Before installing any dependencies or writing code, it’s a great idea to create a virtual environment. LINCC-Frameworks engineers primarily use conda to manage virtual environments. If you have conda installed locally, you can run the following to create and activate a new environment.

>> conda create env -n <env_name> python=3.10
>> conda activate <env_name>

Once you have created a new environment, you can install this project for local development using the following commands:

>> pip install -e .'[dev]'
>> pre-commit install
>> conda install pandoc

Notes:

  1. The single quotes around '[dev]' may not be required for your operating system.

  2. pre-commit install will initialize pre-commit for this local repository, so that a set of tests will be run prior to completing a local commit. For more information, see the Python Project Template documentation on pre-commit.

  3. Install pandoc allows you to verify that automatic rendering of Jupyter notebooks into documentation for ReadTheDocs works as expected. For more information, see the Python Project Template documentation on Sphinx and Python Notebooks.

Tip

Installing on Mac

Native prebuilt binaries for healpy on Apple Silicon Macs do not yet exist, so it’s recommended to install via conda before proceeding to hipscat.

$ conda config --add channels conda-forge
$ conda install healpy
$ git clone https://github.com/astronomy-commons/hipscat
$ cd hipscat
$ pip install -e .

When installing dev dependencies, make sure to include the single quotes.

$ pip install -e '.[dev]'

Testing#

Please add or update unit tests for all changes made to the codebase. You can run unit tests locally simply with:

pytest

If you’re making changes to the sphinx documentation (anything under docs), you can build the documentation locally with a command like:

cd docs
make html

Create your PR#

Please use PR best practices, and get someone to review your code.

We have a suite of continuous integration tests that run on PR creation. Please follow the recommendations of the linter.

Merge your PR#

The author of the PR is welcome to merge their own PR into the repository.

Optional - Release a new version#

Once your PR is merged you can create a new release to make your changes available. GitHub’s instructions for doing so are here. Use your best judgement when incrementing the version. i.e. is this a major, minor, or patch fix.

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