Use Enum for constants about essp HOT 2 CLOSED

Just trying to maintain compatibility where convenient. For enum could use https://pypi.python.org/pypi/enum34/ for py2 (providing it doesn't cause problems)

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After some thinking I would advise to use the aenum package which is written by the same guy as the stdlib.enum and enum34 packages. It offers some advanced features and should solve all of the issues, including py2/py3 compatibility.

Here is a sample definition which suits your use case:

from aenum import IntEnum


class Status(IntEnum):
    _init_ = 'value', 'debug_message'
    
    OK = 1, "debug message ok"
    FAIL = 2, "debug message fail"

The _init_ takes a sequence of attributes to set on each Enum item. Then you just pass the actual values to each item.

Note that the first attribute passed to _init_ must be value.

I used IntEnum as the parent class in the example as this makes the enum a subclass of int as well but you can just use Enum if you prefer it.

In the end you should be able to use it like this with py2/py3:

assert Status.OK == Status(1)
assert Status.OK.name == 'OK'
assert Status.OK.value == 1
assert Status.OK.debug_message == "debug message ok"

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