[Distutils] How to specify dependencies in Python

Thomas Güttler guettliml at thomas-guettler.de
Mon Jan 16 11:03:26 EST 2017

Am 13.01.2017 um 16:25 schrieb Jim Fulton:
> On Fri, Jan 13, 2017 at 7:23 AM, Thomas Güttler <guettliml at thomas-guettler.de <mailto:guettliml at thomas-guettler.de>> wrote:
>     What is an application for you?
> Another way to think about this, FWIW, is to distinguish between the "whole system" (for which "Application" is often a
> useful shorthand), as opposed to components (aka libraries).
> It's important for components to be flexible, so they're typically very flexible about versions of their dependencies.
> For whole systems, OTOH, it's important that once a configuration is tested, that the same configuration is used in
> production, so systems typically pin all of their dependencies, ideally extending to their environments (which is a
> reason why container technology is attractive).

Yes, install_requires in setup.py should define flexible dependencies, but requirements.txt should define fixed 
dependencies via fixed version.

Do you agree with my sentence from above?

Thomas Guettler http://www.thomas-guettler.de/

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