Query
=====

Declare a query language. Example:

    .. code:: python

        class CarQuery(Query):
            make = Variable.choice(choices=['Toyota', 'Volvo', 'Ford])
            model = Variable()

        query_set = Car.objects.filter(CarQuery(request=request).to_q())

:type variables: list of Variable
        :type request: django.http.request.HttpRequest

Refinable members
-----------------

* `endpoint`
* `endpoint_dispatch_prefix`
* `form_class`
* `gui`
* `member_class`

Defaults
^^^^^^^^

* `endpoint__errors`
    * `tri_query.default_endpoint__errors`
* `endpoint__gui`
    * `tri_query.default_endpoint__gui`
* `endpoint_dispatch_prefix`
    * `query`