Hi Michael,
You can get compound attribute like this.
def compute(self, plug, dataBlock):
# Compute only on input compound attribute
a_valid_attr = [self.attrIn_tensionColor_01,
self.attrIn_tensionIndex_01, self.attrIn_blendWeight]
if plug not in a_valid_attr:
return
# Get CompoundAttribute array handle
ah_bs_multi_input =
data.inputArrayValue(self.attrIn_blendShapeMultiInput)
i_input_count = ah_bs_multi_input.elementCount()
# Iter on element count
for i in xrange(i_input_count):
# Get compound handle
ah_bs_multi_input.jumpToElement(i)
h_bs_multi_input = ah_bs_multi_input.inputValue()
# Get compound children handle
h_tension_color = h_bs_multi_input.child(0) #
cls.attrIn_tensionColor_01
h_tension_index = h_bs_multi_input.child(0) #
cls.attrIn_tensionIndex_01
h_blend_weight = h_bs_multi_input.child(0) # cls.attrIn_blendWeight
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