Sample Makefile for a Python application

Makefile

PACKAGE_NAME = package-name
VIRTUALENV = virtualenv --python=python3.7
VENV = .venv
VENV_ACTIVATE = . $(VENV)/bin/activate

help:  ## Prints this help message.
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

$(VENV):
	$(VIRTUALENV) $(VENV)

venv: $(VENV) ## Create Python virtual environment.
	$(VENV_ACTIVATE)

install: venv ## Install/upgrade project and development requirements in virtual environment.
	$(VENV_ACTIVATE); pip install -e .[test];

clean: venv ## Cleans up existing development dependencies
	rm -fr .venv dist $(PACKAGE_NAME).egg-info

lint: venv install ## Run code analysis and validation
	$(VENV_ACTIVATE); flake8 --filename='*.py' --statistics $(PACKAGE_NAME)/. tests/.;

test: venv install ## Run the server
	$(VENV_ACTIVATE); pytest --cov=$(PACKAGE_NAME) tests/;

package: venv ## Run the server
	$(VENV_ACTIVATE); python setup.py sdist --formats=gztar; ls dist/$(PACKAGE_NAME)-*.tar.gz;

package-dev: venv ## Run the server
	$(VENV_ACTIVATE); pip install -e .