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Makefile
#!/usr/bin/make

VENV ?= $(PWD)/venv
PYTHON = $(VENV)/bin/python3
PIP = $(VENV)/bin/pip

default: $(VENV)

$(VENV):
	virtualenv --python=python3 $(VENV)
	$(PYTHON) setup.py install

clean:
	rm -rf $(VENV) __pycache__
	find . -name '*.pyc' -exec rm -f {} +
	find . -name '*.pyo' -exec rm -f {} +