Kevin Watters wrote:
Kevin Watters wrote:
> Running comtypes' setup.py results in a pretty strange traceback on
> Python 2.6 (recent from trunk, r64563):
>
> python setup.py build install --install-lib=../../dependencies
> Traceback (most recent call last):
> File "setup.py", line 14, in <module>
> import comtypes
> File "C:\dev\build\msw\comtypes\comtypes\__init__.py", line 1166, in <m
> odule>
> from comtypes._comobject import COMObject
> File "C:\dev\build\msw\comtypes\comtypes\_comobject.py", line 18, in <m
> odule>
> from comtypes.typeinfo import IProvideClassInfo, IProvideClassInfo2
> File "C:\dev\build\msw\comtypes\comtypes\typeinfo.py", line 602, in <mo
> dule>
> (['out'], POINTER(POINTER(TLIBATTR)))),
> SystemError: NULL result without error in PyObject_Call
Debug build shows:
Assertion failed: PyErr_Occurred(), file ..\Modules\_ctypes\_ctypes.c, line 309
which is:
<code>
/******************************************************************/
/*
Allocate a memory block for a pep3118 format string, copy prefix (if
non-null) and suffix into it. Returns NULL on failure, with the error
indicator set. If called with a suffix of NULL the error indicator must
already be set.
*/
char *
alloc_format_string(const char *prefix, const char *suffix)
{
size_t len;
char *result;
if (suffix == NULL) {
assert(PyErr_Occurred()); *********** <--- Line 309
return NULL;
}
...
</code>
The comment indicates that the error indicator will already have been
set, but presumably it hasn't been somewhere. Don't have the time to
trace the code path through at the moment. Would be good to work out
a reproducible fragment.
TJG
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