Distribute sample data used to run tests

[BenSturmfels]

Pelican distributes the unit tests, but doesn't distribute the sample data such as samples/pelican.conf.py required to run them.

I noticed this when updating the OS package for Guix which is based on the PyPI distribution of pelican.

[BenSturmfels]

Actually - hold off on merging this - the * pattern is too wide and will pull in samples/__pycache__ which shouldn't be distributed. I'll test this further.

[justinmayer]

As a tangential aside, I am fairly confident we will soon switch from building Pelican via Setuptools to instead building via Poetry. The only reason we haven't done that already is because Pip does not yet support editable installs of non-Setuptools builds. Now that support for PEP 660 has been merged into Pip, I imagine we will make that switch as soon as Pip 21.3 is released.

In short, once we make that switch, MANIFEST.in will be going away, and this type of configuration will need to be performed in the pyproject.toml file.

[BenSturmfels]

Great, thanks for the context on Poetry/MANIFEST.in.

I've just updated MANIFEST.in again to explicitly exclude samples/__pycache__.

[justinmayer]

Many thanks for the enhancement, Ben! ✨

[justinmayer]

Merged manually via aeec09b and 99c935d.