[MacPorts] #30187: py27-mapnik 0.7.1 Support python 2.7 for Mapnik

[MacPorts]

#30187: py27-mapnik 0.7.1 Support python 2.7 for Mapnik
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 Reporter:  jon.tirsen@…          |       Owner:  macports-tickets@…                   
     Type:  submission            |      Status:  new                                  
 Priority:  Normal                |   Milestone:                                       
Component:  ports                 |     Version:  1.9.2                                
 Keywords:                        |        Port:  py26-mapnik, py27-mapnik             
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Changes (by ryandesign@…):

 * cc: dbsgeo@…, ryandesign@… (added)
  * port:  => py26-mapnik, py27-mapnik


Comment:

 This new py27-mapnik port installs tons of files that conflict with the
 existing py26-mapnik port, which is not how py* ports are supposed to
 behave; they're supposed to be simultaneously installable.

 I'm rather confused why the existing port is called py26-mapnik at all.
 Why isn't it just called mapnik?

 We could then discuss whether it should have variants allowing the user to
 choose the desired python version. The problem with doing so is that it
 depends on boost having been installed with the corresponding python
 variant. And of course only one variant of a given port can be active at
 once. But mapnik is not the only software that uses boost's python
 features. Therefore all ports using boost's python features must
 simultaneously be updated to have such python variants. Or we could just
 decide to update all such ports from python26 to python27 and not give the
 user a choice.

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Ticket URL: <https://trac.macports.org/ticket/30187#comment:1>
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