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CONTRIBUTING.md

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Contributing to OpenMMLab

All kinds of contributions are welcome, including but not limited to the following.

  • Fix typo or bugs
  • Add documentation or translate the documentation into other languages
  • Add new features and components

Workflow

  1. fork and pull the latest OpenMMLab repository
  2. checkout a new branch (do not use master branch for PRs)
  3. commit your changes
  4. create a PR

Note: If you plan to add some new features that involve large changes, it is encouraged to open an issue for discussion first.

Code style

Python

We adopt PEP8 as the preferred code style.

We use the following tools for linting and formatting:

  • flake8: A wrapper around some linter tools.
  • isort: A Python utility to sort imports.
  • yapf: A formatter for Python files.
  • codespell: A Python utility to fix common misspellings in text files.
  • mdformat: Mdformat is an opinionated Markdown formatter that can be used to enforce a consistent style in Markdown files.
  • docformatter: A formatter to format docstring.

Style configurations of yapf and isort can be found in setup.cfg.

We use pre-commit hook that checks and formats for flake8, yapf, isort, trailing whitespaces, markdown files, fixes end-of-files, double-quoted-strings, python-encoding-pragma, mixed-line-ending, sorts requirments.txt automatically on every commit. The config for a pre-commit hook is stored in .pre-commit-config.

After you clone the repository, you will need to install and initialize pre-commit hook.

pip install -U pre-commit

From the repository folder

pre-commit install

After this on every commit check code linters and formatter will be enforced.

Before you create a PR, make sure that your code lints and is formatted by yapf.