Woot! I finally got my MySQLdb-using Python app working as a Universal
Binary! (Trying to make sure all the relevant keywords are there for
future googlers.)
The root cause of most of the trouble was the broken 5.1 MySQL
distribution (bug #41940 on the MySQL tracker). I tried patching it up
as Ned suggested, but that didn't work for me. However, going back to
5.0 did work.
Here's what I did in more detail:
1. Deleted /usr/local/mysql-5.1.30-osx10.4-universal, and the
MySQL-python egg (in
/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/).
2. Downloaded the mysql-5.0.67-osx10.4-universal tarball from the MySQL
5.0 downloads page. Unpacked this into /usr/local, changed ownership
and group as usual, and made the symlink to it as /usr/local/mysql.
(Confirmed that all dylibs in its lib directory were really universal,
using "file *.dylib".)
3. Reinstalled MySQLdb using the easy method Ned suggested:
"easy_install -Z MySQL-python". This worked fine; all the extra hackery
at
<http://www.mangoorange.com/2008/08/01/installing-python-mysqldb-122-on-mac-os-x/>
appears to be unnecessary when you use easy_install, as is the manual
unzipping of the egg (provided you remember the -Z flag). Navigated
into the newly created egg in site-packages and verified that the
_mysql.so file was universal.
4. Rebuilt my app with py2app.
The resulting app works in 10.4 and 10.5 on both PPC and Intel machines.
Hooray!
Now, let's see... I owe a beer (or other beverage of choice) to Ned,
Chris, Robin, and Andy... and I'm off to make a donation to both
wxPython and MySQLdb...
Many thanks,
- Joe
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