clases_workflow.py

import time

from simpleflow import (
    activity,
    Workflow,
    futures,
)


@activity.with_attributes(task_list='quickstart', version='example')
class Increment(object):
    def __init__(self, x):
        return x + 1


@activity.with_attributes(task_list='quickstart', version='example')
class Double(object):
    def __init__(self, x):
        return x * 2


@activity.with_attributes(task_list='quickstart', version='example')
class Delay(object):
    def __init__(self, t, x):
        time.sleep(t)
        return x


class BasicWorkflow(Workflow):
    name = 'basic'
    version = 'example'
    task_list = 'example'

    def run(self, x, t=30):
        y = self.submit(Increment, x)
        yy = self.submit(Delay, t, y)
        z = self.submit(Double, y)

        print '({x} + 1) * 2 = {result}'.format(
            x=x,
            result=z.result)
        futures.wait(yy, z)
        return z.result

        def __unicode__(self):
            # return contents