A task flow in Python with do
and undo
.
from __future__ import print_function from pyundo import TaskBase, LineFlow class Task(TaskBase): def __init__(name): self.name = name def do(self): print("Do the task: {0}".format(self.name)) def undo(self): print("Undo the task: {0}".format(self.name)) def main(): flow = LineFlow() flow.add(Task("task1")) flow.add(Task("task2")) flow.add(Task("task3")) flow.execute() if __name__ == "__main__": main()