Main Makefile compatible with new build system

Makefile

@@ -27,12 +27,10 @@ export PRINT_HELP_PYSCRIPT
 BROWSER := python -c "$$BROWSER_PYSCRIPT"
 
 python = python
--include options.mk
 
 # Main targets:
-
 develop:
-	OPT="" $(python) setup.py build_ext --inplace $(build_opts)
+	OPT="" $(python) -m pip install --no-build-isolation -e .
 
 help:
 	@$(python) -c "$$PRINT_HELP_PYSCRIPT" < $(MAKEFILE_LIST)
@@ -52,12 +50,10 @@ lint: ## check style with flake8
 	flake8 pixell tests
 
 test: ## run tests quickly with the default Python
-	$(python) setup.py test $(build_opts)
+	pytest
 
 coverage: ## check code coverage quickly with the default Python
-	coverage run --source pixell setup.py test
-	coverage report -m
-	coverage html
+	pytest --cov --cov-report=html
 	$(BROWSER) htmlcov/index.html
 
 docs: ## generate Sphinx HTML documentation, including API docs
@@ -75,9 +71,8 @@ release: dist ## package and upload a release
 	twine upload dist/*
 
 dist: clean ## builds source and wheel package
-	$(python) setup.py sdist $(build_opts)
-	$(python) setup.py bdist_wheel $(build_opts)
+	$(python) build
 	ls -l dist
 
 install: clean ## install the package to the active Python's site-packages
-	$(python) setup.py install $(build_opts)
+	pip install .