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Hi, all. We have a large mixed Python and C++ application with about
a dozen frameworks which cross-reference one another. We’ve been shipping it for almost a year on PPC Macs
using py2app to package things – so we know we have the py2app stuff
approximately correct. We’ve been trying off and on to get a fat version of
the app working. All the C++ code compiles and links cleanly on both
architectures. We’ve installed fat Python 2.4.3 (the April 7 version). When we run the current (0.2-maint) branch of py2app on our
Intel Mac, somewhere along the way, it tells us that it’s “Thinning”
our “Events” library to the i386 part only…then, later on, it
tries to thin the same library to both the ppc and i386 versions…but
doesn’t find the ppc version anymore and crashes. Possibly of interest, but possibly a red herring: py2app
spends a fair amount of time building the dependency graph and doing many
operations over and over (the graph of our library dependencies is basically a
web, not a hierarchy, and it seems to be doing a pretty exhaustive walk of the
graph). We tried going into the macholib/util.py and stubbing out
the thin_to_archs() function. As we only build the two architectures we care
about, and we want both, we figured this should be safe. But then py2app
crashes with an unrecognized magic number in some of the libraries. So we
changed thin_to_archs() so that it always used both architectures, no matter
what it was asked to build…and got the same (magic) problem. We even
tried reversing the order of the two in case there was an order dependency
somewhere. I know the macholib stuff is fairly tricky and at this point
we’re kinda stumped. Below are the stack traces from the two types of crashes. Any advice or suggestions would be appreciated. First one, unmodified
py2app: -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Thinning
/Users/cb/blobs/trunk/Python/dist/Cosmic
Blobs.app/Contents/Frameworks/Events.framework/Versions/A/Events to ppc, i386 /usr/bin/lipo: -extract ppc
specified but fat file: /Users/cb/blobs/trunk/Python/dist/Cosmic
Blobs.app/Contents/Frameworks/Events.framework/Versions/A/Events does not
contain that architecture Traceback (most recent call last): File
"setup.py", line 145, in ?
argv_emulation=True, File
"/Library/Frameworks/Python.framework/Versions/2.4//lib/python2.4/distutils/core.py",
line 149, in setup
dist.run_commands() File
"/Library/Frameworks/Python.framework/Versions/2.4//lib/python2.4/distutils/dist.py",
line 946, in run_commands
self.run_command(cmd) File
"/Library/Frameworks/Python.framework/Versions/2.4//lib/python2.4/distutils/dist.py",
line 966, in run_command
cmd_obj.run() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 373, in run
self._run() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 494, in _run
self.run_normal() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 554, in run_normal
self.create_binaries(py_files, pkgdirs, extensions, loader_files) File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 652, in create_binaries platfiles
= mm.run() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/macholib/MachOStandalone.py",
line 147, in run
thin_to_archs(filename, nodearchs) File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/macholib/util.py",
line 146, in thin_to_archs raise
ValueError, 'Error %d returned by: %s' % (retval, ''.join(["'%s'" %
arg for arg in command])) ValueError: Error 1 returned
by: '/usr/bin/lipo''/Users/cb/blobs/trunk/Python/dist/Cosmic
Blobs.app/Contents/Frameworks/Events.framework/Versions/A/Events''-output''/tmp/tmpxlJYOq''-extract''ppc''-extract''i386' -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Second one, thin_to_archs()
body commented out, is the same as the third try, with body of thin_to_archs()
restored but archs param forced to ("ppc", "i386"), and
also the same as the fourth try with the args reversed: -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Graphing
/Users/cb/blobs/trunk/Python/dist/Cosmic
Blobs.app/Contents/Frameworks/Events.framework/Versions/A/Events (ppc)
Traceback (most recent call last): File "setup.py",
line 145, in ?
argv_emulation=True, File
"/Library/Frameworks/Python.framework/Versions/2.4//lib/python2.4/distutils/core.py",
line 149, in setup
dist.run_commands() File
"/Library/Frameworks/Python.framework/Versions/2.4//lib/python2.4/distutils/dist.py",
line 946, in run_commands
self.run_command(cmd) File
"/Library/Frameworks/Python.framework/Versions/2.4//lib/python2.4/distutils/dist.py",
line 966, in run_command
cmd_obj.run() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 373, in run
self._run() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 494, in _run
self.run_normal() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 554, in run_normal
self.create_binaries(py_files, pkgdirs, extensions, loader_files) File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/py2app/build_app.py",
line 652, in create_binaries platfiles
= mm.run() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/macholib/MachOStandalone.py",
line 101, in run
mm.run_file(fn) File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/macholib/MachOGraph.py",
line 62, in run_file m =
MachO(pathname) File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/macholib/MachO.py",
line 254, in __init__
self.load() File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/macholib/MachO.py",
line 287, in load
self.archs = self.load_fat(fat, fh) File
"/Library/Frameworks/Python.framework/Versions/2.4/lib/python2.4/site-packages/py2app/macholib/MachO.py",
line 273, in load_fat raise
ValueError, "got unrecognized magic of %08x" % (header.magic,
MH_MAGIC, MH_CIGAM) TypeError: not all arguments
converted during string formatting -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- |
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