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import pyutilib.workflow
# @code:
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
B = pyutilib.workflow.TaskFactory('workflow.selection')
A = TaskA()
A.inputs.x = B.outputs.selection
w = pyutilib.workflow.Workflow()
w.add(B)
print(w(index='a', y=100, data={'a':1, 'b':2}))
w.reset()
print(w(index='b', y=100, data={'a':1, 'b':2}))
# @:code
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