[calpaterson]

Pipenvs attempts to replace all other tooling to the answer is: all other tooling. Specifically, setuptools via either setup.py or setup.cfg. pbr, virtualenvs, tox, pip-tools, pip, etc are all useful. Anything that does not take 5-10 minutes to recompute dependencies basically!

[buschkowitz]

That is a big weakness, I agree. But the mental tax of having to remember how to use >5 cli tools vs one is definitely pro pipenv for me.