A simple task runner.

Inspired by Invoke.

pip install duty

With uv:

uv tool install duty

Create a duties.py file at the root of your repository.

from duty import duty

@duty
def docs(ctx):
    ctx.run("mkdocs build", title="Building documentation")

You can now use the command line tool to run it:

duty docs

See the Usage section in the documentation for more examples.

Also see "Why choosing duty over...".

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