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<p class="MsoNormal"><span style="font-size:10.5pt;line-height:115%;font-family:"Arial","sans-serif";color:#333333">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;line-height:115%;font-family:"Arial","sans-serif";color:#333333">On a Windows 64 bit machine, when “long(_OpenMayaUI.MQtUtil.mainWindow())” gets larger than 32 bits there is a crash in _sip.wrapinstance.
<o:p></o:p></span></p>
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<p class="MsoNormal" style="border:none;padding:0in">Sample python code that is crashing:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;line-height:115%;font-family:"Arial","sans-serif";color:#333333">import sip as _sip<br>
import PyQt4.QtCore as _QtCore<br>
import PyQt4.QtGui as _QtGui<br>
import maya.OpenMayaUI as _OpenMayaUI<br>
<br>
mainWindow = _sip.wrapinstance(long(_OpenMayaUI.MQtUtil.mainWindow()), _QtCore.QObject)<o:p></o:p></span></p>
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<p class="MsoNormal" style="border:none;padding:0in"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;line-height:115%;font-family:"Arial","sans-serif";color:#333333">The fix is simple; here is how I got around the issue. I just change ( unsigned long" -> "unsigned long long" and "kO!:wrapinstance" -> "KO!:wrapinstance"
) in “siplib.c.in” and recompiled.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;line-height:115%;font-family:"Arial","sans-serif";color:#333333"><br>
/*<br>
* Wrap an instance.<br>
*/<br>
static PyObject *wrapInstance(PyObject *self, PyObject *args)<br>
{<br>
unsigned long long addr;<br>
sipWrapperType *wt;<br>
<br>
if (PyArg_ParseTuple(args, "KO!:wrapinstance", &addr, &sipWrapperType_Type, &wt))<br>
return sip_api_convert_from_type((void *)addr, wt->type, NULL);<br>
<br>
return NULL;<br>
}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;line-height:115%;font-family:"Arial","sans-serif";color:#333333">Please let me know if there is another workaround.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.5pt;line-height:115%;font-family:"Arial","sans-serif";color:#333333">Yves<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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