[MacPorts] #44285: python-related: switch from py*-pil to path-based dependency (maintained, no openmaintainer)

[MacPorts]

#44285: python-related: switch from py*-pil to path-based dependency (maintained,
no openmaintainer)
-------------------------------------------------+-------------------------
  Reporter:  ionic@…                             |      Owner:  macports-
      Type:  enhancement                         |  tickets@…
  Priority:  Normal                              |     Status:  new
 Component:  ports                               |  Milestone:
Resolution:                                      |    Version:
      Port:  gpodder py-SRPAstro py-aplpy py-    |   Keywords:  haspatch
  psychopy py-pyphant-imageprocessing py-        |
  pyphant-osc py-pyphant-tools                   |
-------------------------------------------------+-------------------------

Comment (by ionic@…):

 Replying to [comment:2 mojca@…]:
 > I would suggest to "clean up" `pyphant` either before or at the same
 time as committing this change.

 I'm OK either way. Your updated `Portfile` replacing all 6 ports is only
 requiring a change on line 150 to
 "path:${python.pkgd}/PIL:py${python.version}-Pillow"

 Also, please note that 2 of my differences are only changing comments for
 `pyphant` ports `py-pyphant-tools` and `py-pyphant-osc`.

 [[BR]][[BR]]
 > We could also remove support for python26 which is only there because of
 `py26-wxwidgets-2.8` (to allow side-by-side installation with
 `py27-wxwidgets-3.0`) and wxWidgets 2.8 are no longer required.

 My changes do not depend on the python version, as far as it is 2.6 or up.
 :)
 Feel free to remove anything.

 For `python PortGroup` ports, the change is even pretty trivial.

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Ticket URL: <https://trac.macports.org/ticket/44285#comment:4>
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