On 02/18/2010 05:19 PM, Ralf W. Grosse-Kunstleve wrote:
Your problem may be that an exception thrown in one .so isn't correctly caught
in another .so.
Hmmm. I only have one module in my test -- pyexcept. Is the fact that it
has to link to libboost_python enough to cause that problem?
In the dark past we had problems like this, too. To this day I don't import
extensions
directly, but use a small wrapper function, import_ext(). The essential bit is
sys.setdlopenflags(0x100|0x2)
The hex values are platform specific. IIRC it is RTLD_NOW | RTLD_GLOBAL (may be
backwards).
You want to insert something like this right before importing your extension.
OK. I tried this:
---------------------------------------------------------------------------------
#!/usr/bin/env python
import sys
import dl
sys.setdlopenflags(dl.RTLD_NOW | dl.RTLD_GLOBAL)
import pyexcept
print "about to run pyexcept.foo, catching exception"
try:
pyexcept.foo()
except RuntimeError,e:
print "caught RuntimeError,",e
---------------------------------------------------------------------------------
I saw the same behaviour as before -- I never catch the exception.
Thanks for the suggestion, though. It was new to me.
--Jim Amundson
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