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Correctly use SIP to transfer ownership of objects from Python to C++

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AnyOldName3
2019-06-01 00:59:39 +01:00
parent 0c11e75f0f
commit e280b07cb6
2 changed files with 4 additions and 3 deletions
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src/runner/proxypluginwrappers.cpp
+2 -1
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@@ -381,12 +381,13 @@ QWidget *IPluginPreviewWrapper::genFilePreview(const QString &fileName, const QS
{
// This is complicated, so we can't use the basic implementation
try {
GILock lock;
boost::python::override implementation = this->get_override("genFilePreview");
if (!implementation)
throw MissingImplementation(this->className, "genFilePreview");
boost::python::object pyVersion = implementation(fileName, maxSize);
// We need responsibility for deleting the QWidget to be transferred to C++
sipAPI()->api_transfer_to(pyVersion.ptr(), 0);
sipAPI()->api_transfer_to(pyVersion.ptr(), Py_None);
return boost::python::extract<QWidget *>(pyVersion)();
} PYCATCH;
}