twine:tldr:9f78a

twine: Upload to the Test PyPI [r]epository to verify things look right.

twine

$ twine upload -r testpypi dist/*

try on your machine

This command is used to upload a package distribution to the TestPyPI repository using the Twine package.

twine refers to the command-line tool Twine.
upload is the action you want Twine to perform, which is to upload a package distribution.
-r testpypi specifies the repository where you want to upload the package. In this case, it's the TestPyPI repository. TestPyPI is a testing version of the Python Package Index (PyPI) where you can upload and test your packages before releasing them to PyPI.
dist/* is the path to the package distribution files you want to upload. The * is a wildcard that matches any file in the dist directory.

Overall, this command will use Twine to upload all package distribution files within the dist directory to the TestPyPI repository.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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