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CONTRIBUTING.md

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Unique Aspects

We are striving for this repo to be a close to 'self-maintained' as possible. A decent amount of the core code (the configuration files themselves) are auto-generated by a tool called configen which we are working on directly within hydra. Generally, users of these configs do not have to understand how to use configen. However, if you plan to contribute, it will be much easier if you have taken a look at how configen works first.

Put simply, think of the directory /configen as the source for the core configs. To expand this, we edit /configen/conf and then regenerate. Currently, this is done through generate_configs.py, but this may be updated.

Setup a Dev Environment

This repo uses a poetry/nox/pre-commit approach. Generally the flow is the following:

GitHub Actions ->
   Nox ->
    [Lint] Pre-commit:
       black
       flake8
       reorder-python-imports
    [Test] Pytest
    [Coverage Report]

# Install non-system python (we recommend pyenv).
# For more info on pyenv: https://github.com/pyenv/pyenv
# Feel free to skip this if you already have a conda python installed.


curl https://pyenv.run | bash
# Add commands to terminal startup. For bash:
echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bash_profile
echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bash_profile
echo -e 'if command -v pyenv 1>/dev/null 2>&1; then\n  eval "$(pyenv init -)"\nfi' >> ~/.bash_profile
exec $SHELL
pyenv install 3.9.0
pyenv local 3.9.0 # sets this as local python version for directory
pyenv which python # confirm you have the python you expect

# Install poetry and pipx
# For more info on poetry: https://python-poetry.org/docs/#installation
# For more info on pipx: https://github.com/pipxproject/pipx#overview-what-is-pipx

curl -sSL https://github.com/raw/python-poetry/poetry/master/get-poetry.py | python -
python3 -m pip install --user pipx

# Install nox and nox-poetry (pipx is now recommended for installing applications).
# If you don't want pipx installed, you can substitute 'pip install --user'.

pipx install nox
pipx inject nox nox-poetry

# Clone this repo

git clone https://github.com/romesco/hydra-lightning

# Install project with poetry

poetry install

# Install pre-commit hooks

nox -s pre-commit -- install

# See available nox sessions

nox --list-sessions

# Run full test suite

nox

Pull Requests

We're ready for your pull requests! Don't be shy about it. If you are working through and idea, put it up as soon as you can as a "draft" PR, and we will offer help.

Here's the workflow:

  1. Fork the repo and create your feature branch from main.
  2. If you've added code, add suitable tests.
  3. Ensure the test suite and lint pass.

Issues

Please file issue if you require a new config we have not provided, have an idea for a useful tutorial, or notice a bug.

License

By contributing to hydra-lightning, you agree that your contributions will be licensed under the LICENSE file in the root directory of this source tree.