revert back to old setuppy

setup.py

@@ -1,3 +1,15 @@
-from setuptools import setup
+# this setup.py script is completely generated dynamically by poetry and
+# is needed to be able to integrate this project in tools that are based on setuptools
+from pathlib import Path
 
-setup()
+from poetry.core.factory import Factory
+from poetry.core.masonry.builders.sdist import SdistBuilder
+
+# let poetry construct setupt.py
+cwd_path = Path(".").resolve()
+poetry = Factory().create_poetry()
+sdist_builder = SdistBuilder(poetry)
+setup_py = sdist_builder.build_setup()
+
+# run setup in the current context
+exec(setup_py, globals(), locals())