Have a look at https://github.com/jazzband/pip-tools#workflow-for-layered-requirements https://github.com/jazzband/pip-tools#workflow-for-layered-r... Both the

Have a look at https://github.com/jazzband/pip-tools#workflow-for-layered-requirements https://github.com/jazzband/pip-tools#workflow-for-layered-r... Both the 'input' and 'output' requirements are pip compatible files (just with different extensions). It uses pip features like '-c' to include other contraints in your requirements. For me, if they would merge Pip-tools into Pip and call it a day, my package management issues for Python are solved.