Create a virtualenv in the package:
$ virtualenv --clear .venv
Install requirements with pip:
$ .venv/bin/pip install -r requirements.txt
Run buildout:
$ .venv/bin/buildout
Start Plone in foreground:
$ ./bin/instance fg
$ tox
list all tox environments:
$ tox -l py37-Plone52 build_instance code-analysis lint-py37 coverage-report
run a specific tox env:
$ tox -e py37-Plone52