pyundo

A task flow in Python with do and undo.

Example

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()