Add Changelog, docs and tests to source tarball

[sebix]

Same as #531 which does no longer work, as now
poetry seems to be used for building the packages

[codecov-commenter]

Codecov Report

Merging #1266 into develop will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           develop     #1266   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           34        34           
  Lines         2133      2133           
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  Hits          2133      2133           

[timothycrosley]

Thank you!

[timothycrosley]

@sebix unfourtantely, I had to revert this. It looks like adding extra files is not quite as straight forward with poetry as I would have assumed. See: #1285. Which I confirmed locally, all the included files ended up just littering the root of my sitepackages. I couldn't easily figure out a good way around it, and the state of the issues on Poetry's issue tracker around it didn't give me much hope

[sebix]

@sebix unfourtantely, I had to revert this. It looks like adding extra files is not quite as straight forward with poetry as I would have assumed. See: #1285. Which I confirmed locally, all the included files ended up just littering the root of my sitepackages. I couldn't easily figure out a good way around it, and the state of the issues on Poetry's issue tracker around it didn't give me much hope

Ok, too bad that this is not - easily - possible with poetry. The files should have just ended up in the sdist tarball. Sorry for the inconvenience.

[timothycrosley]

No problem at all! I appreciate you drawing my attention to the issue! I've reopened #463

[sebix]

Adding python files (tests) in sdist only is possible -> https://python-poetry.org/docs/pyproject/#packages and #1313
Adding static files (docs) in sdist is currently not possible -> python-poetry/poetry#1338