Re: eval if an object meets with a queryset.

On 2011-03-01, at 13:18 , Marc Aymerich wrote:
>
> Hi Masklinn, I never use jquey's :(
Not a problem. The .is method simply takes a CSS selector and returns a boolean flag indicating whether the selected object(s) match the selector: $('a').is('a') is trivially going to return `true` for instance.

> My idea is that the end user can define their own arbitrary expression
> in order to match a subset of objects from a particular class. For
> example this is the class that handle the expression.
>
> class Service(models.Model):
> content_type = models.ForeignKey(ContentType)
> expression = models.CharField(max_length=255)
> price = models.PositiveIntegerField()
>
> So, with this class the admin of my application can say: Active .ORG
> domains costs 10€ , active .ES and .NET domains costs 25€ …
But for that you should be able to use regular filters no? Build the right filtering kwargs (or a series of Q objects if you need arbitrary complexity, probably) from the stuff provided by the user and then call `filter` with that, and you should get the correct result shouldn't you?

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