Update Makefile

.gitignore

@@ -1,7 +1,7 @@
 # build outputs
-/dist/*
 /build/*
 /lib/PyYAML.egg-info/*
+/.venv/
 /wheelhouse/*
 /yaml/_yaml.c
 MANIFEST

Makefile

@@ -1,48 +1,62 @@
+SHELL := bash
 
-.PHONY: build dist
+PYTHON ?= $(shell command -v python3)
+PYTHON ?= $(shell command -v python)
 
-PYTHON=/usr/bin/python3
-TEST=
-PARAMETERS=
+ifndef PYTHON
+$(error Can't find 'python3'. Set PYTHON=/path/to/bin/python3)
+endif
 
-build:
-	${PYTHON} setup.py build ${PARAMETERS}
+ifeq (,$(shell $(PYTHON) --version | grep -E 'Python 3\.([6789]|1[0-9])\.' || true))
+$(error Unsupported python version. Needs 3.6+)
+endif
 
-buildext:
-	${PYTHON} setup.py --with-libyaml build ${PARAMETERS}
+VENV ?= .venv
 
-force:
-	${PYTHON} setup.py build -f ${PARAMETERS}
+export PATH := $(VENV)/bin:$(PATH)
 
-forceext:
-	${PYTHON} setup.py --with-libyaml build -f ${PARAMETERS}
+o ?=
 
-install:
-	${PYTHON} setup.py install ${PARAMETERS}
+.DELETE_ON_ERROR:
 
-installext:
-	${PYTHON} setup.py --with-libyaml install ${PARAMETERS}
+default:
 
-test: build
-	PYYAML_FORCE_LIBYAML=0 ${PYTHON} -I -m pytest
+test: venv
+	PYYAML_FORCE_LIBYAML=0 pytest
 
-testext: buildext
-	PYYAML_FORCE_LIBYAML=1 ${PYTHON} -I -m pytest
+test-ext: venv
+	PYYAML_FORCE_LIBYAML=1 pytest
 
-testall:
-	${PYTHON} -m pytest
+build: venv
+	${PYTHON} setup.py build ${o}
 
-dist:
-	@# No longer uploading a zip file to pypi
-	@# ${PYTHON} setup.py --with-libyaml sdist --formats=zip,gztar
-	${PYTHON} setup.py --with-libyaml sdist --formats=gztar
+build-ext: venv
+	${PYTHON} setup.py --with-libyaml build ${o}
+
+install: venv
+	${PYTHON} setup.py install ${o}
+
+installext: venv
+	${PYTHON} setup.py --with-libyaml install ${o}
 
 clean:
 	${PYTHON} setup.py --with-libyaml clean -a
-	rm -fr \
-	    dist/ \
+	$(RM) -r \
+	    .pytest_cache/ \
 	    lib/PyYAML.egg-info/ \
 	    lib/yaml/__pycache__/ \
 	    tests/__pycache__/ \
-	    tests/legacy_tests/__pycache__/ \
-	    yaml/_yaml.c
+	    tests/legacy_tests/__pycache__/
+	$(RM) yaml/_yaml.c \
+	    lib/yaml/_yaml.cpython-*
+
+distclean: clean
+	$(RM) -r $(VENV)
+
+venv: $(VENV)
+
+$(VENV):
+	$(PYTHON) -m venv $@
+	@echo $(PATH)
+	pip install pytest
+	pip install -e .