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Contributing to Facebook AI Research Sequence-to-Sequence Toolkit (fairseq)

We want to make contributing to this project as easy and transparent as possible.

Pull Requests

We actively welcome your pull requests.

  1. Fork the repo and create your branch from main.
  2. If you've added code that should be tested, add tests.
  3. If you've changed APIs, update the documentation.
  4. Ensure the test suite passes.
  5. Make sure your code lints.
  6. If you haven't already, complete the Contributor License Agreement ("CLA").

Contributor License Agreement ("CLA")

In order to accept your pull request, we need you to submit a CLA. You only need to do this once to work on any of Facebook's open source projects.

Complete your CLA here: https://code.facebook.com/cla

Issues

We use GitHub issues to track public bugs. Please ensure your description is clear and has sufficient instructions to be able to reproduce the issue.

License

By contributing to Facebook AI Research Sequence-to-Sequence Toolkit (fairseq), you agree that your contributions will be licensed under the LICENSE file in the root directory of this source tree.

Pre-commit hooks

In order to ensure your code lints, there are pre-commit hooks configured in the repository which you can install. After installation, they will automatically run each time you commit. An abbreviated guide is given below; for more information, refer to the offical pre-commit documentation.

Installation

pip install pre-commit
pre-commit install

Usage

Just commit your changes:

git commit -m "My informative commit message"

If there was a failure, you will get feedback

[INFO] Initializing environment for https://github.com/PyCQA/flake8.
[INFO] Installing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
[INFO] Installing environment for https://github.com/PyCQA/flake8.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
Trim Trailing Whitespace.................................................Failed
- hook id: trailing-whitespace
- exit code: 1
- files were modified by this hook
Fixing examples/nllb/modeling/wmt15_benchmark/eval_langs2.sh
Fix End of Files.........................................................Failed
- hook id: end-of-file-fixer
- exit code: 1
- files were modified by this hook
Fixing examples/few_shot/scripts/schedule_jobs_few_shot.py
flake8...................................................................Passed

Certain hooks modify your files to comply. To include these modifications, you will need to add them (i.e. git add ...) and commit again.

If all is well, you should see something like:

Trim Trailing Whitespace.................................................Passed
Fix End of Files.........................................................Passed
flake8...................................................................Passed
[gshard-fix-ci 8698644e1] Fix lint, add pre-commit hooks
 10 files changed, 148 insertions(+), 110 deletions(-)
 create mode 100644 .flake8
 create mode 100644 .pre-commit-config.yaml
 rename examples/nllb/modeling/wmt15_benchmark/{eval_langs2.py => eval_langs2.sh} (99%)