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import pyutilib.workflow
class TaskA(pyutilib.workflow.Task):
def __init__(self, *args, **kwds):
"""Constructor."""
pyutilib.workflow.Task.__init__(self, *args, **kwds)
self.inputs.declare('x')
self.inputs.declare('y')
self.outputs.declare('z')
def execute(self):
"""Compute the sum of the inputs."""
self.z = self.x + self.y
class TaskC(pyutilib.workflow.Task):
def __init__(self, *args, **kwds):
"""Constructor."""
pyutilib.workflow.Task.__init__(self, *args, **kwds)
self.inputs.declare('X')
self.inputs.declare('y')
self.outputs.declare('W')
self.outputs.declare('Z')
def execute(self):
"""Compute the sum of the inputs."""
self.W = self.X+self.y
self.Z = 2*self.W
# @ex:
A = TaskA()
C = TaskC()
A.inputs.x = C.outputs.Z
w1 = pyutilib.workflow.Workflow()
w1.add(A)
AA = TaskA()
AA.inputs.x = w1.outputs.W
AA.inputs.y = w1.outputs.z
w2 = pyutilib.workflow.Workflow()
w2.add(AA)
print(w2(X=1, y=3))
# @:ex
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