[ckan-dev] model VS context['model']

[Toby Dacre]

On 15 April 2013 22:20, Toby Dacre <toby.okfn at gmail.com> wrote:

>
>
> On 15 April 2013 21:36, Vitor Baptista <vitor at vitorbaptista.com> wrote:
>
>> Hi,
>>
>> Toby was reviewing a pull request I sent (
>> https://github.com/okfn/ckan/pull/754/files#r3791087) and an interesting
>> question came up. We thought that it would be better to start talking here
>> instead of in the PR. The code is:
>>
>>
>>>
>>> def model_name_to_class(model_name):
>>>
>>>
>>>     try:
>>>         model_class_name = model_name.title()
>>>
>>>
>>>         return getattr(model, model_class_name)
>>>
>>>
>>>     except AttributeError:
>>>
>>>
>>>         raise ValidationError(_("%s isn't a valid model" % model_class_name))
>>
>>
>>
>>
>> Basically, this method turns a string into a class. For example, if you
>> call model_name_to_class('user'), you'd get ckan.model.User.
>>
>> Toby suggested that instead of using model (from "import ckan.model as
>> model"), I should use context['model'], as they might be different somehow.
>>
>> Does someone understand when it might happen, and why?
>>
>>
> Just to add that this function is used in an action or auth function so we
> were given context and data_dict
>
>

Some feedback on this issue would be good

@kindly any views?



> Cheers,
>> Vítor Baptista.
>>
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>>
>
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