selectionfilters.py

import c4d

def main():
    # Retrieve the document settings.
    bc = doc.GetSettingsInstance(c4d.DOCUMENTSETTINGS_DOCUMENT)
    
    # Retrieve the current bitmask for the states of the selection filters.
    flags = bc.GetLong(c4d.DOCUMENT_SELECTIONFILTER)

    # TOOD: Store the current state of the "flags" value somewhere"

    # Create a bitmask which disables all selection filters but the
    # "Joints" filter.
    flags = (c4d.SELECTIONFILTERBIT_NULL | c4d.SELECTIONFILTERBIT_POLYGON |
             c4d.SELECTIONFILTERBIT_SPLINE | c4d.SELECTIONFILTERBIT_GENERATOR |
             c4d.SELECTIONFILTERBIT_HYPERNURBS | c4d.SELECTIONFILTERBIT_DEFORMER |
             c4d.SELECTIONFILTERBIT_CAMERA | c4d.SELECTIONFILTERBIT_LIGHT |
             c4d.SELECTIONFILTERBIT_SCENE | c4d.SELECTIONFILTERBIT_PARTICLE |
             c4d.SELECTIONFILTERBIT_OTHER) # | c4d.SELECTIONFILTERBIT_JOINT)

    # Set the bitmask to the document settings.
    bc.SetLong(c4d.DOCUMENT_SELECTIONFILTER, flags)

main()