View the most recent changes for the python_select port at: python_select.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for python_select.
The raw portfile for python_select 0.3 is located here:
http://python_select.darwinports.com/dports/sysutils/python_select/Portfile
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Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/python_select

The python_select Portfile 57572 2009-09-13 10:54:24Z raimue macports.org $

PortSystem 1.0
PortGroup select 1.0

Name: python_select
Version: 0.3
Category: sysutils
Platform: darwin
Maintainers: raimue
Description: Switch the default python interpreter
Long Description: python_select lets you switch the default python interpreter. python_select symlinks the standard python executables in the MacPorts prefix to the selected version.

Homepage: http://svn.macports.org/repository/macports/contrib/select/
Master Sites: ${homepage}
distname select-${version}
Checksums: md5 b24cecd12fc5567e544b25c5df34a255 sha1 4aa312d7e0b9ede1ef015fcd941ff53a0329127a rmd160 f121d366cdecc7d5331040abfd153334399d80d5

configure.args --mandir=${prefix}/share/man --name=python

# install all files
post-destroot {
select::install python ${filespath}/base
select::install python ${filespath}/none
}

platform darwin 7 {
post-destroot {
select::install python ${filespath}/python23-apple
}

post-activate {
if {[exec ${prefix}/bin/${name} -s] == "none"} {
system "${destroot}${prefix}/bin/${name} python23-apple"
}
}
}

platform darwin 8 {
post-destroot {
select::install python ${filespath}/python23-apple
}

post-activate {
if {[exec ${prefix}/bin/${name} -s] == "none"} {
system "${destroot}${prefix}/bin/${name} python23-apple"
}
}
}

platform darwin 9 {
post-destroot {
select::install python ${filespath}/python25-apple
}

post-activate {
if {[exec ${prefix}/bin/${name} -s] == "none"} {
system "${prefix}/bin/${name} python25-apple"
}
}
}

platform darwin 10 {
post-destroot {
select::install python ${filespath}/python26-apple
}

post-activate {
if {[exec ${prefix}/bin/${name} -s] == "none"} {
system "${prefix}/bin/${name} python26-apple"
}
}
}

livecheck.type none

# Documentation for python ports:
# PortGroup select 1.0
# select.group python
# select.file ${filespath}/python[string map {. {}} ${branch}]

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/python_select
%  sudo port install python_select  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching python_select
--->  Verifying checksum for python_select
--->  Extracting python_select
--->  Configuring python_select
--->  Building python_select with target all

--->  Staging python_select into destroot

--->  Installing python_select

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using python_select with these commands:

%  man python_select
%  apropos python_select
%  which python_select
%  locate python_select

 Where to find more information: