ConstAllocationTransformRcPtr GetConstAllocationTransform(PyObject * pyobject, bool allowCast)
{
ConstAllocationTransformRcPtr transform = \
DynamicPtrCast<const AllocationTransform>(GetConstTransform(pyobject, allowCast));
if(!transform)
{
throw Exception("PyObject must be a valid OCIO.AllocationTransform.");
}
return transform;
}
PyObject * PyOCIO_GroupTransform_push_back(PyObject * self, PyObject * args)
{
OCIO_PYTRY_ENTER()
PyObject* pytransform = 0;
if (!PyArg_ParseTuple(args,"O:push_back",
&pytransform)) return NULL;
GroupTransformRcPtr transform = GetEditableGroupTransform(self);
if(!IsPyTransform(pytransform))
throw Exception("GroupTransform.push_back requires a transform as the first arg.");
transform->push_back(GetConstTransform(pytransform, true));
Py_RETURN_NONE;
OCIO_PYTRY_EXIT(NULL)
}
bool FillTransformVectorFromPySequence(PyObject* datalist, std::vector<ConstTransformRcPtr> &data)
{
data.clear();
if(PyListOrTuple_Check(datalist))
{
int sequenceSize = PyListOrTuple_GET_SIZE(datalist);
data.reserve(sequenceSize);
for(int i=0; i < sequenceSize; i++)
{
PyObject* item = PyListOrTuple_GET_ITEM(datalist, i);
ConstTransformRcPtr val;
try
{
val = GetConstTransform(item, true);
}
catch(...)
{
data.clear();
return false;
}
data.push_back( val );
}
return true;
}
else
{
PyObject *item;
PyObject *iter = PyObject_GetIter(datalist);
if (iter == NULL)
{
PyErr_Clear();
return false;
}
while((item = PyIter_Next(iter)) != NULL)
{
ConstTransformRcPtr val;
try
{
val = GetConstTransform(item, true);
}
catch(...)
{
Py_DECREF(item);
Py_DECREF(iter);
data.clear();
return false;
}
data.push_back(val);
Py_DECREF(item);
}
Py_DECREF(iter);
if (PyErr_Occurred())
{
PyErr_Clear();
data.clear();
return false;
}
return true;
}
}
