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CONTRIBUTING.md

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Contributing to fastRAG

The following document describes the process of contributing and developing extensions to fastRAG.

Setting up your development environment

Preliminary requirements:

  • fastRAG installed in a developement enviroment (via pip install -e)
  • Python 3.8+
  • Pytorch
  • Any 3rd party store engine package

Installing development packages

To install extra packages required for library development:

pip install -e .[dev]

We use pre-commit to automatically format the code in a consistent way. Installing the dev packages will install pre-commit. To manually install it:

pip install pre-commit
pre-commit install        # in project's dir

It uses the black and isort utilities. No need to download them, they are handled by pre-commit. Have a look at pre-commit-config to see what it does. To explicitly run the hooks:

pre-commit run --all-files

That's it!

New component contribution process

  1. Fork the repository to your own github space
  2. Add your component as an extension or new addition following Haystack components hierarchy and according to the structure of the library (e.g., a new reader to fastrag/readers/).
  3. Provide a pipeline or script to validate the flow of the new component (a yaml file or modifications in scripts/generate_pipeline.py).
  4. Open a pull request and describe your contribution.