# import the cinema 4d module
import c4d

def main():
    # get the selected object in the document
    # note: this works only in the script manager !
    #       otherwise use doc.GetActiveObject()
    cloner = op

    # check if there is a selected object,
    # and if so, if it is a cloner.
    # note: The ID of a cloner object is not within
    #       the c4d-module. I obtained it using
    #       c4d.BaseObject.GetType()
    if not op \
    or not op.CheckType(1018544):
        print "No object selected, or the selected " \
              "one is not a cloner-object."
        # exit the function
        return

    # get the cache of the selected object
    cache  = cloner.GetCache()

    # now check if the cache was built, if it
    # was not, cache equals `None`
    if not cache:
        print "The cache of the cloner has not been " \
              "built yet."
        # exit the function
        return

    # the cache of a cloner object is a Null-object.
    # its children are the actual clones of the cloner
    # we obtain them all in a list using the convenient
    # function: c4d.BaseObject.GetChildren()
    clones = cache.GetChildren()

    # we will now iterator over all clones.
    # the enumerate function enables us to
    # iterate not only over the clones, but
    # also over their index in the list
    # (thanks to Pythons unpacking-syntax)
    for index, clone in enumerate(clones):
        # the clone should be placed at
        # the position of `index` * 50 in all
        # three components
        pos = c4d.Vector(index * 50)
        clone.SetAbsPos(pos)

    # notify the cloner that something was
    # changed
    cloner.Message(c4d.MSG_UPDATE)

    # notify cinema 4d to update the editor
    c4d.EventAdd()

main()