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Parsita is free and open source software developed under an MIT license. Development occurs at the GitHub project. Contributions, big and small, are welcome.

Bug reports and feature requests may be made directly on the issues tab.

To make a pull request, you will need to fork the repo, clone the repo, make the changes, run the tests, push the changes, and open a PR.

Cloning the repo

To make a local copy of Parsita, clone the repository with git:

git clone

Installing from source

Parsita uses Poetry as its packaging and dependency manager. In whatever Python environment you prefer, install Poetry and then use Poetry to install Parsita and its dependencies:

pip install poetry
poetry install


Parsita uses pytest to run the tests in the tests/ directory. The test command is encapsulated with Nox:

nox -e test

This will try to test with all compatible versions that nox can find. To run the tests with only a particular version, run something like this:

nox -e test-3.9

It is good to run the tests locally before making a PR, but it is not necessary to have all Python versions run. It is rare for a failure to appear in a single version, and the CI will catch it anyway.

Code quality

Parsita uses Black, isort, and Flake8 to do ensure a minimum standard of code quality. The code quality commands are encapsulated with Nox:

nox -e black
nox -e isort
nox -e lint

Generating the docs

Parsita uses MkDocs to generate HTML docs from Markdown. For development purposes, they can be served locally without needing to build them first:

mkdocs serve

To deploy the current docs to GitHub Pages, Parsita uses the MkDocs gh-deploy command that builds the static site on the gh-pages branch, commits, and pushes to the origin:

mkdocs gh-deploy

Making a release

  1. Bump
    1. Increment version in pyproject.toml
    2. Commit with message "Bump version number to X.Y.Z"
    3. Push commit to GitHub
    4. Check GitHub Actions to ensure all tests pass
    5. Check that code coverage is 100%
  2. Tag
    1. Tag commit with "vX.Y.Z"
    2. Push commit to GitHub
    3. Check GitHub Actions for tag
  3. Build
    1. Clear dist/
    2. Run poetry build
    3. Verify that sdist (.tar.gz) and bdist (.whl) are in dist/
  4. Publish
    1. Run poetry publish -r test
    2. Check PyPI test server for good upload
    3. Run poetry publish
    4. Check PyPI for good upload
  5. Document
    1. Create GitHub release with name "Parsita X.Y.Z" and major changes in body
    2. If appropriate, deploy updated docs