python.JetDefinition.JetInputExternal Node1 python.JetDefinition.Jet InputExternal + name + basetype + algoBuilder + containername + specs + filterfn + prereqs + outputname + __init__() + name() + algoBuilder() + basetype() + specs() + filterfn() + prereqs() + __str__() + __hash__() + __eq__() + __ne__() Node2 object Node2->Node1 Node3 def Node3->Node1 -__repr__