Add linting and building

Author: whwright

.gitignore

@@ -2,3 +2,4 @@ __pycache__/
 build/
 click_command_tree.egg-info/
 dist/
+.eggs/

Makefile

@@ -0,0 +1,35 @@
+PYTHON3=/usr/bin/python3
+BUILD_DIR=build
+DIST_DIR=dist
+VIRTUALENV=$(BUILD_DIR)/_virtualenv
+VIRTUALENV_BIN=$(VIRTUALENV)/bin
+ACTIVATE=$(VIRTUALENV_BIN)/activate
+
+.PHONY: clean test
+
+clean:
+	rm -rf $(BUILD_DIR) $(DIST_DIR)
+
+lint: $(ACTIVATE)
+	$(VIRTUALENV_BIN)/python setup.py flake8
+
+test: $(ACTIVATE)
+	$(VIRTUALENV_BIN)/python -m unittest discover -v
+
+build-dist: clean $(ACTIVATE) lint test
+	$(VIRTUALENV_BIN)/python setup.py sdist bdist_wheel
+
+publish-dist: build-dist
+	$(VIRTUALENV_BIN)/pip install twine==1.12.1 && \
+		$(VIRTUALENV_BIN)/twine upload dist/*
+
+$(VIRTUALENV) $(ACTIVATE):
+	@command -v virtualenv >/dev/null 2>&1 || { echo >&2 "This build requires virtualenv to be installed.  Aborting."; exit 1; }
+	@mkdir -p $(BUILD_DIR)
+	@if [ -d $(VIRTUALENV) ]; then \
+		echo "Existing virtualenv found. Skipping virtualenv creation."; \
+	else \
+		echo "Creating virtualenv at $(VIRTUALENV)"; \
+		virtualenv $(VIRTUALENV) --python=$(PYTHON3); \
+	fi
+	. $(ACTIVATE) && pip install .

click_command_tree.py

@@ -24,7 +24,6 @@ def __repr__(self):
         return '{{_CommandWrapper {}}}'.format(self.name)
 
 
-
 def _build_command_tree(click_command):
     wrapper = _CommandWrapper(click_command)
 

setup.py

@@ -18,11 +18,14 @@
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python :: 3'
     ],
-    py_modules=['click_command_tree'],\
+    py_modules=['click_command_tree'],
     include_package_data=True,
     install_requires=[
         'click',
     ],
+    setup_requires=[
+        'flake8==3.7.5',
+    ],
     entry_points='''
         [click_command_tree]
         tree=click_command_tree:tree