Its me again. This time, I've got my Python extension modules
working completely with Boost.Python wrapped alone. That is...
[pfkeb@Kunz-pbdsl1 testsuite]$ python
Python 2.2.2 (#1, Oct 15 2002, 07:42:56)
[GCC 2.95.3 20010315 (release)] on linux2
Type help, copyright, credits or license for more information.
from hippo import *
app = HDApp(1)
cw = CanvasWindow()
cw.show()
app.exec_loop()
works fine. In the above, `HDApp' is not derived from
QApplication, but delegates to a class which does. CanvasWindow
wraps a C++ class which derives from QMainWindow.
Now I modify the dclock.py example that comes with PyQt to...
a = QApplication(sys.argv)
clock = DigitalClock()
clock.resize(170,80)
a.setMainWidget(clock)
clock.show()
cw = CanvasWindow() # added
cw.show() # added
a.exec_loop()
and get ...
Starting program: /usr/local/bin/python /home/pfkeb/hippodraw-BUILD/testsuite/dclock.py
[New Thread 1024 (LWP 5948)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (LWP 5948)]
PyErr_SetObject (exception=0x8108a8c, value=0x81ab208) at Python/errors.c:39
(gdb) bt
#0 PyErr_SetObject (exception=0x8108a8c, value=0x81ab208)
at Python/errors.c:39
#1 0x08087ac7 in PyErr_Format (exception=0x8108a8c,
format=0x80df620 %.50s instance has no attribute '%.400s')
at Python/errors.c:408
#2 0x080b0467 in instance_getattr1 (inst=0x82c5654, name=0x8154558)
at Objects/classobject.c:678
#3 0x080b3e35 in instance_getattr (inst=0x82c5654, name=0x8154558)
at Objects/classobject.c:715
#4 0x40cd2a43 in instanceGetAttr ()
from /usr/local/lib/python2.2/site-packages/libsip.so
#5 0x08056794 in PyObject_GetAttr (v=0x82c5654, name=0x8154558)
at Objects/object.c:1108
#6 0x0807705e in eval_frame (f=0x811a974) at Python/ceval.c:1784
#7 0x0807866e in PyEval_EvalCodeEx (co=0x8161de0, globals=0x81139b4,
locals=0x81139b4, args=0x0, argcount=0, kws=0x0, kwcount=0, defs=0x0,
defcount=0, closure=0x0) at Python/ceval.c:2595
#8 0x0807a700 in PyEval_EvalCode (co=0x8161de0, globals=0x81139b4,
locals=0x81139b4) at Python/ceval.c:481
#9 0x080950b1 in run_node (n=0x81263b8,
filename=0xbca2 /home/pfkeb/hippodraw-BUILD/testsuite/dclock.py,
globals=0x81139b4, locals=0x81139b4, flags=0xbac4)
at Python/pythonrun.c:1079
#10 0x08095062 in run_err_node (n=0x81263b8,
filename=0xbca2 /home/pfkeb/hippodraw-BUILD/testsuite/dclock.py,
globals=0x81139b4, locals=0x81139b4, flags=0xbac4)
at Python/pythonrun.c:1066
#11 0x08094ccb in PyRun_FileExFlags (fp=0x8104038,
filename=0xbca2 /home/pfkeb/hippodraw-BUILD/testsuite/dclock.py,
start=257, globals=0x81139b4, locals=0x81139b4, closeit=1,
flags=0xbac4) at Python/pythonrun.c:1057
#12 0x080938b1 in PyRun_SimpleFileExFlags (fp=0x8104038,
filename=0xbca2 /home/pfkeb/hippodraw-BUILD/testsuite/dclock.py,
closeit=1, flags=0xbac4) at Python/pythonrun.c:685
#13 0x0809481f in PyRun_AnyFileExFlags (fp=0x8104038,
filename=0xbca2 /home/pfkeb/hippodraw-BUILD/testsuite/dclock.py,
closeit=1, flags=0xbac4) at Python/pythonrun.c:495
#14 0x08053632 in Py_Main (argc=2, argv=0xbb54) at Modules/main.c:364
#15 0x08052ee6 in main (argc=2, argv=0xbb54) at Modules/python.c:10
#16 0x40088627 in __libc_start_main (main=0x8052ed0 main, argc=2,
ubp_av=0xbb54, init=0x80522d4 _init, fini=0x80cf610 _fini,
rtld_fini=0x4000dcd4 _dl_fini, stack_end=0xbb4c)
at ../sysdeps/generic/libc-start.c:129
(gdb)
On the line of the error
oldtype = tstate-curexc_type;
(gdb) p tstate
$1 = (PyThreadState *) 0x0
(gdb)
It really appears to me that Boost.Python extensions and SIP Python
extensions are incompatible with each other. Or there is still
something that I'm doing wrong.
Any suggestions on how to proceed?
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