3e5d91584a
+ taskflow path in sys.path + listener => notifier Change-Id: I0a657540571f9862e2adea5a40d03dfa3ce90e2b
51 lines
1.0 KiB
Python
51 lines
1.0 KiB
Python
import logging
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import os
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import sys
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logging.basicConfig(level=logging.ERROR)
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my_dir_path = os.path.dirname(os.path.abspath(__file__))
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sys.path.insert(0, os.path.join(os.path.join(my_dir_path, os.pardir),
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os.pardir))
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from taskflow import decorators
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from taskflow.patterns import linear_flow as lf
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def undo_call(context, result, cause):
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print("Calling %s and apologizing." % result)
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@decorators.task(revert_with=undo_call)
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def call_jim(context):
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print("Calling jim.")
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print("Context = %s" % (context))
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return context['jim_number']
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@decorators.task(revert_with=undo_call)
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def call_joe(context):
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print("Calling joe.")
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print("Context = %s" % (context))
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return context['joe_number']
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def call_suzzie(context):
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raise IOError("Suzzie not home right now.")
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flow = lf.Flow("call-them")
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flow.add(call_jim)
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flow.add(call_joe)
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flow.add(call_suzzie)
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context = {
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"joe_number": 444,
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"jim_number": 555,
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}
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try:
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flow.run(context)
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except Exception as e:
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print("Flow failed: %s" % (e))
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