[Python-Dev] Feature request: Change a Dependency Package Version During Package Initiation

[Brett Cannon]

Thanks for the idea but there are currently no plans to support such a
feature. If you would like to see it then you will need to write a PEP with
a proof-of-concept to demonstrate how you would expect such a feature to
work.

On Fri., May 17, 2019, 07:55 Q via Python-Dev, <python-dev at python.org>
wrote:

> A lot of the Python code we use in production are used directly as imports
> in other python
> distributions (such as the python comes with the finite element software
> Abaqus and MSC Marc), many
> packages (such as matplotlib, numpy) that may have varying versioned
> dependencies.
>
> I was wondering if this could be expanded to allow a version to be set
> within a package and have
> that propagate to all modules in that package. For example in the root
> init.py if I set
> multiversion(tornado, 2.2.1) then all modules in that package will use
> tornado 2.2.1 when I import
> tornado.
>
> See a relevant issue on github:
> https://github.com/mitsuhiko/multiversion/issues/1
>
> Thank you!
> Qiang
>
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