[WIP] make a test release on TestPyPi

currently does not link to existing setup.py

Makefile.am

@@ -190,6 +190,12 @@ python-test: src/test.py src/_pytrexio*.so
 	cd src/ && python3 test.py
 	$(RM) -r -- src/__pycache__
 
+python-build: pyproject.toml setup.cfg
+	python3 -m build
+
+python-release: pyproject.toml setup.cfg
+	python3 -m twine upload --repository testpypi dist/*
+
 # Advanced compilation using Python-native distutils
 #
 # swig -python -threads pytrexio.i ----> Add thread support for all the interface
@@ -216,7 +222,7 @@ src/_pytrexio*.so:  $(ORG_FILES) $(trexio_h) src/pytrexio.i
 
 CLEANFILES += src/pytrexio_wrap.c src/pytrexio.py src/_pytrexio*.so 
 
-.PHONY: cppcheck python python-test
+.PHONY: cppcheck python python-build python-test
 
 endif
 

pyproject.toml

@@ -0,0 +1,7 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "h5py",
+    "wheel"
+]
+build-backend = "setuptools.build_meta"

setup.cfg

@@ -0,0 +1,23 @@
+[metadata]
+name = pytrexio666
+version = 0.1
+author = TREX-CoE
+description = Python API of the TREXIO library
+long_description = file: README.md
+long_description_content_type = text/markdown
+url = https://github.com/TREX-CoE/trexio
+project_urls =
+    Bug Tracker = https://github.com/TREX-CoE/trexio/issues
+classifiers =
+    Programming Language :: Python :: 3
+    License :: OSI Approved :: BSD License
+
+[options]
+package_dir =
+    = src
+packages = find:
+python_requires = >=3.6
+
+[options.packages.find]
+where = src
+