Scripts: worm.py

import chimera
for m in chimera.openModels.list(modelTypes=[chimera.Molecule]):
        for r in m.residues:
                r.ribbonDrawMode = chimera.Residue.Ribbon_Round
                r.ribbonDisplay = True
                if getattr(r, 'mavConservation', None) is None:
                        rad = 0.05
                else:
                        rad = r.mavConservation/2.0 + 1.0
                r.ribbonStyle = chimera.RibbonStyleWorm([rad])