[MacPorts] #63069: vtk: migrate from python variants to subports

[MacPorts]

#63069: vtk: migrate from python variants to subports
--------------------------+----------------------
  Reporter:  mascguy      |      Owner:  stromnov
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.7.2
Resolution:               |   Keywords:
      Port:  vtk          |
--------------------------+----------------------
Changes (by mascguy):

 * priority:  Low => Normal


Old description:

> To simplify dependent ports - and allow multiple Python versions to be
> supported side-by-side - migrate from Python variants to subports.
>
> Haven't had a chance to look too closely at this port just yet, but are
> there are any technical barriers/gotchas we need to be aware of? And are
> there any objections to such a change?
>
> I'll do the work, if the maintainers sign off on the idea.

New description:

 To simplify dependent ports - and allow multiple Python versions to be
 supported side-by-side - migrate from Python variants to subports.

--

Comment:

 Replying to [comment:9 cooljeanius]:
 > There is user demand; I'm thinking this is what's blocking me from
 upgrading the various py*opencv3 ports...

 Good to know, thanks for the heads-up!

 Bumping the priority back to normal.

-- 
Ticket URL: <https://trac.macports.org/ticket/63069#comment:10>
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