Workspace-only projects

[bluss]

Workspace-only projects can be used to manage a python environment, with dependencies. What sets it apart from other projects is that it doesn't make sense to install a workspace-only project as a wheel. In theory it does then not need or support a version, a build system, and when "rye sync" runs there is no "self package" that's installed.

Typical usecases: You manage a python environment and installed tools. The project only contains jupyter notebooks and a kernel. The project is just utility scripts that are never installed, only run.

This was discussed on discord, so I thought it would be useful to track it here.

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Some research:

Poetry doesn't have a direct equivalent, but poetry install --no-root overlaps with this usecase. The issue 2458 on their issue tracker discusses it.

[mitsuhiko]

This absolutely makes sense. In fact the pyproject.toml in this particular repository asks for this, as it is only used to pull in mkdocs and dependencies.