Re: [Pythonmac-SIG] Leopard easy_install chokes on appscript egg

[Ronald Oussoren]

Has,

On 21 Dec, 2007, at 22:37, has wrote:

Hi all,

Just ran into the following problem when trying to install appscript
0.18.0 into Leopard's default Python installation via easy_install
(setuptools 0.6c3):

has$ /usr/bin/easy_install appscript
Searching for appscript
Reading http://pypi.python.org/simple/appscript/
Reading http://appscript.sourceforge.net
Reading http://freespace.virgin.net/hamish.sanderson/appscript.html
Best match: appscript 0.18.0
Downloading 
http://pypi.python.org/packages/source/a/appscript/appscript-0.18.0.tar.gz#md5
=8c013f0489349f145089c71d6d747859
Processing appscript-0.18.0.tar.gz

p+/p+pBAQxKE-S81g-RmJ1K8U+++TI/-Tmp-/easy_install-7MwieU/
appscript-0.18.0/egg-dist-tmp-deTIQh
Traceback (most recent call last):

Running appscript-0.18.0/setup.py -q bdist_egg --dist-dir /var/ folders/

[...]

-TypeError: Error when calling the metaclass bases
    first argument must be callable


Two things:

1. Any ideas on why it's selecting the .tar.gz version rather than
the .egg? (Note: the egg was built using my own Python 2.5
installation, rather than the Apple one.)

That's a buglet in Python, fixed in what will be 2.5.2. Apple's python doesn't do universal binaries and setuptools doesn't know that an 'fat' egg will do on a 'ppc' or 'i386' platform.

based appscript. This occurs with Leopard's own Python 2.5 and the
Python 2.4 installation I keep around for testing purposes. Any
guesses on what's going wrong? I'm not that familiar with setuptools
and its error reporting leaves something to be desired, so I don't
even know if the problem lies with it or appscript's setup.py script.

2. I get the above traceback when easy_install tries to use the source-

Ronald

My guess is that this a buglet in setuptools sandboxing code. Can you build an egg using Apple's python and install that (that is run 'setup.py bdist_egg' and then install that egg.

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