def inner(*args, **kwargs):
#Add a graph
comp = func(*args, **kwargs)
g = Multigraph(comp.name+'_'+'wrapper')
g.add_node(comp)
#For each port, add
#an "once" component
for (in_name, in_port) in comp.inputs.items():
in_node = SubIn('IN_'+in_name)
once_node = Once('once_'+in_name)
g.add_node(in_node)
g.add_node(once_node)
#Connect
in_node.outputs.OUT.connect(once_node.inputs.IN)
once_node.outputs.OUT.connect(in_port)
#Export inputs
g.inputs.export(in_node.inputs.IN, in_name)
#Export outputs
for (out_name, out_port) in comp.outputs.items():
g.outputs.export(out_port, out_name)
return g
def second_level(*args, **kwargs):
comp = func(*args, **kwargs)
g = Multigraph(comp.name + '_' + 'wrapper')
g.add_node(comp)