Python's pip requirements management ala Node.js / npm / yarn

requirements_management.md

python -m venv venv
source venv/bin/activate
pip install -r requirements.txt
pip freeze > requirements_lock.txt
pip install -r requirements_dev.txt

requirements.txt

requests>=2.25.1
PyYAML>=5.4.1

requirements_dev.txt

-r requirements.txt
pylint
rope

requirements_lock.txt

certifi==2020.12.5
chardet==4.0.0
idna==2.10
PyYAML==5.4.1
requests==2.25.1
urllib3==1.26.3