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>>> from flufl.enum import IntEnum
>>> class A(IntEnum):
...   a = 3
...
>>> A.a
<EnumValue: A.a [value=3]>


Alex


On Tue, Dec 10, 2013 at 8:23 AM, Jay Pipes <jaypipes at gmail.com> wrote:

> On 12/10/2013 09:55 AM, Adam Young wrote:
>
>> On 12/10/2013 05:24 AM, Flavio Percoco wrote:
>>
>>> On 09/12/13 19:45 -0800, Alex Gaynor wrote:
>>>
>>>> Would it make sense to use the `enum34` package, which is a backport
>>>> of teh
>>>> enum package from py3k?
>>>>
>>>
>>> +1
>>>
>>> This is what we were using in Marconi.
>>>
>> So... they seem to be doing something different from Flufl, as IntEnums
>> are not working the same way.  I wonder if it is just update lag, and
>> Flufl is the Upstream for the changes.
>>
>> With only a change to the import and requirements, it builds and runs,
>> but raises:
>>
>> Traceback (most recent call last):
>>    File "keystone/tests/test_revoke.py", line 65, in test_list_is_sorted
>>      valid_until=valid_until))
>>    File "keystone/contrib/revoke/core.py", line 74, in __init__
>>      setattr(self, k, v)
>>    File "keystone/contrib/revoke/core.py", line 82, in scope_type
>>      self._scope_type = ScopeType[value]
>>    File
>> "/opt/stack/keystone/.venv/lib/python2.7/site-packages/enum/__init__.py",
>> line
>> 352, in __getitem__
>>      return cls._member_map_[name]
>> KeyError: 1
>>
>> This seems to say that you cannot access an IntEnum as an integer, which
>> just seems broken.
>>
>
> What precisely is the benefit of an IntEnum? From the example in the
> flufl.enum docs:
>
> >>> from flufl.enum import IntEnum
> >>> class Animals(IntEnum):
> ...     ant = 1
> ...     bee = 2
> ...     cat = 3
>
> >>> int(Animals.bee)
> 2
>
> Wow. That is so amazing. Thank goodness there is a library for that.
>
> Oh wait... I can do exactly the same thing without flufl.enum or any other
> library:
>
> >>> class Animals:
> ...     ant = 1
> ...     bee = 2
> ...     cat = 3
> ...
> >>> int(Animals.bee)
> 2
>
> The IntEnum is my new definition of the most worthless class ever invented
> in the Python ecosystem -- taking the place of zope.interface on my
> personal wall of worthlessness.
>
> Best,
> -jay
>
>
>
>
>
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>



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