Create a virtualenv in the package:
$ virtualenv --clear .
Install requirements with pip:
$ ./bin/pip install -r requirements.txt -r requirements_black.txt
Run buildout:
$ ./bin/buildout
Start Plone in foreground:
$ ./bin/instance fg
$ tox
list all tox environments:
$ tox -l plone43-py27 plone50-py27 plone51-py27 plone52-py27 plone52-py36 plone52-py37 plone52-py38
run a specific tox env:
$ tox -e plone52-py38
$ ./bin/black .