Add make target for making a PyPI release

Author: vojtechtrefny

CONTRIBUTING.md

@@ -65,10 +65,7 @@ Copy the documentation from `doc/_build/html` to a temporary directory, switch t
 Fedora builds are automated using Packit. After tagging a new release Packit will open PRs against all supported versions of Fedora in Pagure. Fedora maintainer will review and merge those PRs, afterwards, Packit will do the builds and Bodhi updates as well.
 
 ## PyPI Build Procedure
-Prepare archive for PyPI: `python3 setup.py sdist bdist_wheel`
 
-Check the archive: `twine check dist/*`
-
-Upload to Test PyPI (optional): `twine upload --repository-url https://test.pypi.org/legacy/ dist/*`
-
-Upload to PyPI: `twine upload dist/*`
+```
+make release-pypi
+```

Makefile

@@ -173,6 +173,18 @@ rpm: local
 	rpmbuild -bb --nodeps $(SPECFILE) --define "_sourcedir `pwd`"
 	rm -f $(PKGNAME)-$(VERSION).tar.gz $(PKGNAME)-$(VERSION)-tests.tar.gz
 
+release-pypi:
+	if ! $(PYTHON) -m build --sdist --wheel; then \
+		echo ""; \
+		echo Distribution package build failed! Please verify that you have \'python3-build\' and \'python3-setuptools\' installed. >&2; \
+		exit 1; \
+	fi
+	if ! $(PYTHON) -m twine upload dist/*; then \
+		echo ""; \
+		echo Package upload failed! Make sure the \'twine tool\' is installed and you are registered >&2; \
+		exit 1; \
+	fi
+
 ci: check coverage
 
 .PHONY: check clean pylint pep8 install tag archive local