python
pipenv
pipenv graphpipdeptree: Python dependency tree
# installation
pipx install pipdeptreeUsing pipdeptree to write requirements.txt file
$ pipdeptree --warn silence | grep -E '^\w+'
Flask==0.10.1
gnureadline==8.0.0
Lookupy==0.1
pipdeptree==2.0.0b1
setuptools==47.1.1
wheel==0.34.2Using pipdeptree inside venv
pipdeptree -fl --python /home/u/.local/share/virtualenvs/myenv-AAAAAA/bin/python