Houdini Shelf Tool - Transform point selection into a Curve SOP

houdini-selectionToCurvePythonScript.py

import toolutils
# Works in Houdini 16.5, assumes points are selected inside /obj/geo1.

selection = toolutils.sceneViewer().currentGeometrySelection()
node = selection.nodes()[0]

points = node.geometry().globPoints(selection.mergedSelectionString())
curve = hou.node('/obj/geo1/').createNode('curve')
pstr = ''
for i in range(len(points)):
    pstr += str(points[i].position()[0]) + ',' + str(points[i].position()[1]) + ',' + str(points[i].position()[2])
    pstr += ' '
    
curve.parm('coords').set(pstr)
curve.moveToGoodPosition()