Re: eval if an object meets with a queryset.

On Tue, Mar 1, 2011 at 12:02 PM, Daniel Hilton <daniel.hilton@gmail.com> wrote:
> On 1 March 2011 10:55, Marc Aymerich <glicerinu@gmail.com> wrote:
>> Hi!,
>> I have a model class like this one:
>>
>> class Domain(models.Model):
>>    active = models.BooleanField()
>>    root = models.CharField(max_length=6)
>>
>> now given a Domain instance I need to know if it meets with an
>> expresion like this one:
>>
>> active=True and (root='com' or root='net')
>>
>> one way to do that is get all domains that meets the expresion
>> (formated as queryset) and check if the object is one of them.
>> But maybe there is a more direct way to check it?
>
> You can use filter's with get so:
>
> Try:
>   myDomain =  Domain.objects.get(active=True, etc...)
> except myDomain.DoesNotExist:
>  myDomain = None
>
> Kinda like that ish.

Hi Dan,
Thanks for your answer! Unfortunately I need to do the inverse
process, given an object I need to check if it meets with a
'queryset'.
--
Marc

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