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62 lines
2.5 KiB
Text
62 lines
2.5 KiB
Text
Building a MacPython-OSX on top of Jaguar's /usr/bin/python
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-----------------------------------------------------------
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One way of getting MacPython functionality is to use the Python that Apple
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supplies since MacOSX 10.2, and extend this with the missing bits.
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(Another way is building a framework python, see Mac/OSX/README for
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details on that).
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Preparation
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-----------
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First of all you have to fix two things in the python distributed
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by Apple. This paragraph is valid for 10.2 through 10.2.2, so if you
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have a later version of Jaguar your mileage may vary.
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1. /usr/lib/python2.2/config/Makefile has an erronuous reference to
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building for intel processors. Edit the file with sudo, and change
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the line
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LDFLAGS= -arch i386 -arch ppc
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to
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LDFLAGS= -arch ppc
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2. /usr/lib/python2.2/site-packages is not writeable except by root.
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Make it writeable by administrators by doing
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sudo chgrp admin /usr/lib/python2.2/site-packages
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sudo chmod g+w /usr/lib/python2.2/site-packages
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Alternatively you can do the make's below as superuser, but I
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would advise against this.
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Building
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--------
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Typing "make -f Makefile.jaguar" will build and install almost everything you need.
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If you also want the "pythonw" unix program, which allows you to run GUI scripts from
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a Terminal window, you should also do "sudo make -f Makefile.jaguar install_pythonw".
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What do you get
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---------------
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After the make you will have a folder /Applications/MacPython-OSX that contains the
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IDE and BuildApplet applications. Also, you will find a folder "python-additions" there
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that contains the MacPython-specific additions to your installed Python. The only thing
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that is installed outside the /Applications/MacPython-OSX folder is
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/usr/lib/python2.2/site-packages/MacPython.pth, which is the magic file that will make
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python find the new modules.
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Uninstalling
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------------
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1. Remove /Applications/MacPython-OSX
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2. Remove /usr/lib/python2.2/site-packages/MacPython.pth
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How does it work?
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-----------------
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Makefile.jaguar does most of the work by calling on Makefile (which is normally used
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to build the Mac extensions for a framework-based python) after setting various
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variables such that everything is built for /usr/bin/python. Some extension modules
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(that are included in framework python 2.3a0, but missing from static python 2.2)
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are built with setup.py. And some Carbon modules are built to replace their 2.2
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versions, which lack required functionality. The stubs in Mac/Lib/Carbon know about
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this overriding.
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