/usr/share/doc/python3-pyutilib/examples/workflow/example8.py is in python3-pyutilib 5.3.5-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | import pyutilib.workflow
# @class:
class TaskA(pyutilib.workflow.Task):
def __init__(self, *args, **kwds):
"""Constructor."""
pyutilib.workflow.Task.__init__(self, *args, **kwds)
self.inputs.declare('z')
self.outputs.declare('z')
def execute(self):
"""Compute the sum of the inputs."""
self.z = -1*self.z
class TaskB(pyutilib.workflow.Task):
def __init__(self, *args, **kwds):
"""Constructor."""
pyutilib.workflow.Task.__init__(self, *args, **kwds)
self.inputs.declare('y')
self.outputs.declare('y')
def execute(self):
"""Compute the sum of the inputs."""
self.y = -1*self.y
class TaskC(pyutilib.workflow.Task):
def __init__(self, *args, **kwds):
"""Constructor."""
pyutilib.workflow.Task.__init__(self, *args, **kwds)
self.inputs.declare('x', action='store_any')
self.outputs.declare('x')
def execute(self):
pass
# @:class
# @usage:
A = TaskA()
B = TaskB()
C = pyutilib.workflow.TaskFactory('workflow.branch')
C.add_branch(True, A)
C.add_branch(False, B)
D = TaskC()
D.inputs.x = A.outputs.z
D.inputs.x = B.outputs.y
w = pyutilib.workflow.Workflow()
w.add(C)
print(w(value=True, z=1, y=2))
w.reset()
print(w(value=False, z=1, y=2))
# @:usage
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