[MacPorts] #29988: bzr*: add pythonXX variants

[MacPorts]

#29988: bzr*: add pythonXX variants
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 Reporter:  macsforever2000@…             |       Owner:  raimue@…                                                                                                       
     Type:  enhancement                   |      Status:  assigned                                                                                                       
 Priority:  Normal                        |   Milestone:                                                                                                                 
Component:  ports                         |     Version:                                                                                                                 
 Keywords:                                |        Port:  bzr bzr-explorer bzr-fastimport bzr-git bzr-gtk bzr-pager bzr-rebase bzr-rewrite bzr-svn bzr-xmloutput bzrtools
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Comment(by bruno.matos@…):

 I have a problem with bzr support for trac. Trac works with python 2.6,
 the Trac Bazaar Plugin have eggs for python 2.6 either and, with bzr with
 python 2.7, I can't use it with trac.

 To workaround the problem, I have created a local repo with
 http://svn.macports.org/repository/macports/trunk/dports/devel/bzr/
 checkout, changed the python dependencies version to 2.6 and... I hope it
 works... :)

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Ticket URL: <https://trac.macports.org/ticket/29988#comment:3>
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