how about dat ? It requires a command tho .
import maya.api.OpenMaya as om
''' following the declaration of a class for a command '''
def doIt(self):
compFn = om.MFnSingleIndexedComponent()
compObj = compFn.create(om.MFn.kMeshPolygonComponent)
compFn.addElements(faceIds)
sList = om.MSelectionList()
sList.add((meshFn.getPath(), compObj))
om.MGlobal.setActiveSelectionList(sList)
def undoIt(self):
#add cached previous selection
if not len(previous_cached):
#
sList = om.MSelectionList()
om.MGlobal.setActiveSelectionList(sList)
else:
#
compFn = om.MFnSingleIndexedComponent()
compObj = compFn.create(om.MFn.kMeshPolygonComponent)
compFn.addElements(previous_cached)
sList = om.MSelectionList()
sList.add((meshFn.getPath(), compObj))
om.MGlobal.setActiveSelectionList(sList)
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