Pipenv Cheatsheet
Pipenv is the officially recommended Python packaging tool. Here is its usage:
# install
$ pip install pipenv
$ mkdir pipenv-test
$ cd pipenv-test
# Create a new project using Python 3
$ pipenv --three
# Output virtualenv information
$ pipenv --venv
# activate venv
$ pipenv shell
# check Python interpreter
$ which python
# or
$ pipenv --py
# install packages
$ pipenv install requests
# install a dev dependency
$ pipenv install --dev pytest
# show dependency graph
$ pipenv graph
# security check
$ pipenv check
# delete Pipfile.lock for test
$ rm -f Pipfile.lock
# generate lock file again
$ pipenv lock
# create requirements.txt
$ pipenv lock -r ./requirements.txt
# uninstall everything
$ pipenv uninstall --all
# all gone
$ pipenv graph
# install all denpendencies, including the dev
# if following command is run without a venv,
# a venv will be created automatically.
$ pipenv install -d
# exit from venv
$ exit
# remove venv
$ pipenv --rm
By default, the venv directory is created under the home directory;
it can also be created in the .venv directory of current project:
$ mkdir .venv
$ pipenv --python 3.7
$ pipenv --venv