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CONTRIBUTING.md

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Contributing to Mephisto

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

Pull Requests

We actively welcome your pull requests.

Core contributions

  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.
    • This can be done by running pip install pre-commit; pre-commit install. This will check the if your code is formatted correctly on each commit.
    • Make sure that pre-commit is installed by following the steps in this website.
  6. If you haven't already, complete the Contributor License Agreement ("CLA").

Cypress Testing

For cypress testing the base url is: http://localhost:3000/?worker_id=x&assignment_id=1

Running end-to-end tests on a task:

  1. Run the task by running python run_task.py in the appropriate task folder
  2. In a separate terminal window go into the webapp directory and run npm run test
  3. This should open a cypress app
  4. It is advised to test in Chrome(Chrome, Electron, and Firefox are all the options) as this browser works well with Cypress.
  5. After clicking one of the spec files, the tests from that spec will automatically run

Troubleshooting:

There may be a case where there is a baseUrl mismatch.

For example: Suppose you ran the toxicity detection task and then closed it. This would use assignmentId=1 and assignmentId=2.

If you then ran the mnist task, for example, then assignmentId=3 and assignmentId=4 would be used. While this task is running you can choose to run cypress tests in a different terminal window by going into the webapp folder and running npm run test.

These tests will fail because the base url of http://localhost:3000/?worker_id=x&assignment_id=1 is not associated with the mnist task, it is associated with the toxicity detection task. The correct react-elements will not show up.

There is a way to fix this:

  • You can change the base url(found in the cypress.config.js file in the webapp folder) to the current url that you are on.
    • Make sure to reset the baseUrl back to default("/") if contributing to the repo as the GitHub action will fail otherwise.

Local Package Development

If you are modifying either the mephisto-task or mephisto-worker-addons packages you probably want to see your changes propagate to the task that you are working on.

The easiest way to do this is to run a task by doing:

python run_task.py mephisto.task.post_install_script=link_mephisto_task.sh mephisto.task.force_rebuild=true

Setting mephisto.task.force_rebuild=true runs npm build before running your task. By default the task is only rebuilt if a file is changed in the webapp, not if a linked package is changed.

Setting mephisto.task.post_install_script=link_mephisto_task.sh runs the link_mephisto_task.sh script after npm install is ran and before the task is started. This script should be located in the webapp folder of the task. While this script can do many things, for local package development the primary purpose of it is to link to a local package.

Alternatively, these values can be set in the task's hydra_configs/conf yaml file if you want to forgo typing the above and just type

python run_task.py

instead.

Task Contributions

Generally we encourage people to provide their own blueprints as part of the repo in which they release their code, though if someone creates a strong case for an abstract Blueprint that is generally applicable we'd be happy to review it.

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.

Facebook has a bounty program for the safe disclosure of security bugs. In those cases, please go through the process outlined on that page and do not file a public issue.

License

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

Dependencies

To add a python dependency you need to add the dependency as well as its version number to the pyproject.toml file.