Add Makefile for tests, flake8 linting, formatting

Author: tony

Makefile

@@ -0,0 +1,34 @@
+PY_FILES= find . -type f -not -path '*/\.*' | grep -i '.*[.]py$$' 2> /dev/null
+
+
+entr_warn:
+	@echo "----------------------------------------------------------"
+	@echo "     ! File watching functionality non-operational !      "
+	@echo "                                                          "
+	@echo "Install entr(1) to automatically run tasks on file change."
+	@echo "See http://entrproject.org/                               "
+	@echo "----------------------------------------------------------"
+
+isort:
+	isort `${PY_FILES}`
+
+black:
+	black `${PY_FILES}` --skip-string-normalization
+
+test:
+	py.test $(test)
+
+watch_test:
+	if command -v entr > /dev/null; then ${PY_FILES} | entr -c $(MAKE) test; else $(MAKE) test entr_warn; fi
+
+build_docs:
+	cd doc && $(MAKE) html
+
+watch_docs:
+	cd doc && $(MAKE) watch_docs
+
+flake8:
+	flake8 setup.py sample-code qencode tests
+
+watch_flake8:
+	if command -v entr > /dev/null; then ${PY_FILES} | entr -c $(MAKE) flake8; else $(MAKE) flake8 entr_warn; fi