refactor: Use dataclasses for all SQLAlchemy database classes #1328
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With dataclasses, a
__init__
function is created for all database classes. This adds autocomplete and code recommendations and type checkers like mypy can check the passed types.Since the
__hash__
method was removed during this change, the intersectionmethod to get common projects doesn't work anymore. I changed it to a proper
database join, which is faster.
In addition, many type annotations were added. Some mypy and pylint errors
and warnings were fixed in the tests.
Resolves #1326