[openstack-dev] [Fuel][Nailgun] Web framework

Nikolay Markov nmarkov at mirantis.com
Thu Dec 4 14:32:14 UTC 2014


Ryan, can you please provide some more links on how these features
what I described are implemented in Pecan? Some working examples,
maybe? As far as I see now, each OpenStack project uses its own
approach to integration with Pecan, so what will you recommend to look
at?

On Thu, Dec 4, 2014 at 4:10 PM, Roman Prykhodchenko
<rprikhodchenko at mirantis.com> wrote:
> I’d rather suggest doing in several iteration by replacing several resources by Pecan’s implementations.
> Doing that in one big patch-set will make reviewing very painful, so some bad things might be not noticed.
>
>
>> On 04 Dec 2014, at 14:01, Igor Kalnitsky <ikalnitsky at mirantis.com> wrote:
>>
>> Ok, guys,
>>
>> It became obvious that most of us either vote for Pecan or abstain from voting.
>>
>> So I propose to stop fighting this battle (Flask vs Pecan) and start
>> thinking about moving to Pecan. You know, there are many questions
>> that need to be discussed (such as 'should we change API version' or
>> 'should be it done iteratively or as one patchset').
>>
>> - Igor
>>
>> On Wed, Dec 3, 2014 at 7:25 PM, Fox, Kevin M <Kevin.Fox at pnnl.gov> wrote:
>>> Choosing the right instrument for the job in an open source community involves choosing technologies that the community is familiar/comfortable with as well, as it will allow you access to a greater pool of developers.
>>>
>>> With that in mind then, I'd add:
>>> Pro Pecan, blessed by the OpenStack community, con Flask, not.
>>>
>>> Kevin
>>> ________________________________________
>>> From: Nikolay Markov [nmarkov at mirantis.com]
>>> Sent: Wednesday, December 03, 2014 9:00 AM
>>> To: OpenStack Development Mailing List (not for usage questions)
>>> Subject: Re: [openstack-dev] [Fuel][Nailgun] Web framework
>>>
>>> I didn't participate in that discussion, but here are topics on Flask
>>> cons from your link. I added some comments.
>>>
>>> - Cons
>>>    - db transactions a little trickier to manage, but possible  #
>>> what is trickier? Flask uses pure SQLalchemy or a very thin wrapper
>>>    - JSON built-in but not XML # the only one I agree with, but does
>>> Pecan have it?
>>>    - some issues, not updated in a while  # last commit was 3 days ago
>>>    - No Python 3 support  # full Python 3 support fro a year or so already
>>>    - Not WebOb  # can it even be considered as a con?
>>>
>>> I'm not trying to argue with you or community principles, I'm just
>>> trying to choose the right instrument for the job.
>>>
>>> On Wed, Dec 3, 2014 at 7:41 PM, Jay Pipes <jaypipes at gmail.com> wrote:
>>>> On 12/03/2014 10:53 AM, Nikolay Markov wrote:
>>>>>>
>>>>>> However, the OpenStack community is also about a shared set of tools,
>>>>>> development methodologies, and common perspectives.
>>>>>
>>>>>
>>>>> I completely agree with you, Jay, but the same principle may be
>>>>> applied much wider. Why Openstack Community decided to use its own
>>>>> unstable project instead of existing solution, which is widely used in
>>>>> Python community? To avoid being a team player? Or, at least, why it's
>>>>> recommended way even if it doesn't provide the same features other
>>>>> frameworks have for a long time already? I mean, there is no doubt
>>>>> everyone would use stable and technically advanced tool, but imposing
>>>>> everyone to use it by force with a simple hope that it'll become
>>>>> better from this is usually a bad approach.
>>>>
>>>>
>>>> This conversation was had a long time ago, was thoroughly thought-out and
>>>> discussed at prior summits and the ML:
>>>>
>>>> https://etherpad.openstack.org/p/grizzly-common-wsgi-frameworks
>>>> https://etherpad.openstack.org/p/havana-common-wsgi
>>>>
>>>> I think it's unfair to suggest that the OpenStack community decided "to use
>>>> its own unstable project instead of existing solution".
>>>>
>>>>
>>>> Best,
>>>> -jay
>>>>
>>>> _______________________________________________
>>>> OpenStack-dev mailing list
>>>> OpenStack-dev at lists.openstack.org
>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>>
>>>
>>>
>>> --
>>> Best regards,
>>> Nick Markov
>>>
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>>
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>
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-- 
Best regards,
Nick Markov



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