Makefile which handles Python requirements.txt and *.egg-info (with optional virtualenv checking).

gistfile1.mak

REQUIREMENTS_FILE=requirements.txt
REQUIREMENTS_OUT=requirements.txt.log
SETUP_OUT=*.egg-info

all: setup requirements

requirements: $(REQUIREMENTS_OUT)

$(REQUIREMENTS_OUT): $(REQUIREMENTS_FILE)
	pip install -r $(REQUIREMENTS_FILE) | tee $(REQUIREMENTS_OUT)

setup: virtualenv $(SETUP_OUT)

$(SETUP_OUT): setup.py setup.cfg
	python setup.py develop
	touch $(SETUP_OUT)

clean:
	find . -name "*.py[oc]" -delete
	find . -name "__pycache__" -delete
	rm $(REQUIREMENTS_OUT)

test:
	nosetests


# Remove the virtualenv target and the `setup` dependency if you don't care about it.
virtualenv:
ifndef VIRTUAL_ENV
	$(error No VIRTUAL_ENV defined)
endif

See also https://gist.github.com/3759731 for the simple version.