Contributing to NetCenLib

We warmly welcome contributions to NetCenLib! This document provides guidelines for contributing to this project. By participating in this project, you agree to abide by its terms.

Table of Contents

How to Contribute

Reporting Bugs and Requesting Features

  • Bug Reports: Please use the Bug Report Template to report any bugs. Provide as much detail as possible to help us understand and fix the issue.

  • Feature Requests: For proposing new features or enhancements, use the Feature Request Template. Describe the feature, its benefits, and possible implementation if you have one in mind.

Coding Style

  • PEP 8: All Python code must adhere to the PEP 8 style guide, except where explicitly mentioned.

  • Comments and Docstrings: Use comments and docstrings to explain the purpose of complex code blocks. Follow the PEP 257 docstring conventions.

Implementation Requirements

  • Centrality Measures Implementation:

    • Each centrality measure must be implemented in a separate file within the netcenlib/algorithms directory.

    • The file name should match the centrality measure’s name.

    • Each file must contain a single function, named after the centrality measure, that calculates this measure. This function should accept a NetworkX graph as input and return a dictionary mapping nodes to their centrality values.

    • Each centrality measure function must be exposed in the netcenlib/algorithms package to be accessible for external use.

    • Add an entry for the new centrality measure in the Centrality enum to ensure it’s recognized and accessible through a standardized interface.

  • Testing:

    • Contributions must include tests covering the new functionality. We require at least 80% test coverage for changes.

    • Use the pytest framework for writing tests.

  • Documentation:

    • Update the project documentation to reflect the addition of new centrality measures or any other significant changes.

    • Ensure that examples, usage guides, and API documentation are clear and updated.

Making Changes

  1. Create an Issue: For every change, whether a bug fix or a feature implementation, please open a new issue. This helps us keep track of what’s being worked on and discuss potential changes before the development work starts.

  2. Follow the Style Guide and Contribution Requirements: Adhere to the Coding Style and Contribution Requirements.

  3. Use Pre-commit Hooks: This project uses pre-commit hooks to ensure code style and quality. Run pre-commit install after cloning the repository to set up the hooks locally. For more, check Pre-commit Hooks.

  4. Submit a Pull Request: Once you’re ready, submit a pull request linked to the issue you’ve created. Describe your changes clearly in the PR description.

Local development setup

By default venv is used to work on the project. After creating venv, install the requirements:

pip install -r requirements.txt
pip install -r requirements.dev.txt

and you are ready to go.

Release a version

  • Merge your PR into main

  • Update changelog in CHANGELOG.md

  • Change the version in src/netcenlib/version.py

  • Commit. git commit -m 'Release version x.y.z'

  • Tag the commit. git tag -a x.y.z -m 'Release version x.y.z'

  • Push (do not forget –tags). git push origin master --tags

  • Release will be created automatically by GitHub Actions

Pre-commit Hooks

This project supports pre-commit. To use it please install it in the pip install pre-commit and then run pre-commit install and you are ready to go. Bunch of checks will be executed before commit and files will be formatted correctly.

Pre-commit works on staged files while commiting. To run it without a command one should run pre-commit run. Changes has to be staged.

To run pre-commit hooks on all changes in the branch:

  1. Sync branch with main

  2. Run git diff --name-only --diff-filter=MA origin/master | xargs pre-commit run --files

For branches that are not based on master you might replace origin/master with origin/{your_branch}