[jira] [Created] (AIRFLOW-4374) Inherit from Enum

["Bas Harenslak (JIRA)" <ji...@apache.org>]

Bas Harenslak created AIRFLOW-4374:
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             Summary: Inherit from Enum
                 Key: AIRFLOW-4374
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-4374
             Project: Apache Airflow
          Issue Type: Sub-task
            Reporter: Bas Harenslak


Python 3.4 introduced the Enum type, which can reduce the complexity of a few enum-style classes. E.g. the TriggerRule could become:
{code}
from enum import Enum


class TriggerRule(Enum):
    ALL_SUCCESS = "all_success"
    ALL_FAILED = "all_failed"
    ALL_DONE = "all_done"
    ONE_SUCCESS = "one_success"
    ONE_FAILED = "one_failed"
    NONE_FAILED = "none_failed"
    NONE_SKIPPED = "none_skipped"
    DUMMY = "dummy"

    @classmethod
    def all_triggers(cls):
        return [tr.name for tr in TriggerRule]
{code}
 A quick scan showed me enum-like class are TriggerRule, WeightRule, State, but there might be more, so search first.

Also, note this is optional and not required for running in Python 3.



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