def create_add_op_chain(object, parent=(None, None)):
    ops = vistrails.db.services.action.create_add_op_chain(object, parent)
    convert_operation_list(ops)
    return ops
Validate that the string passed as input can safely
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/db/io.py/create_add_op_chain--crossover with--dataset/ETHPy150Open aldebaran/qibuild/python/qisys/ui.py/valid_filename