Combine Django GeoManager with HStoreManager

geo_hstore_manager.py

# pip install django-orm-extensions
from django.contrib.gis.db.models import GeoManager
from django.contrib.gis.db.models.query import GeoQuerySet
from django.contrib.gis.db.models.sql.where import GeoWhereNode
from django.contrib.gis.db.models.sql import GeoQuery
from django_hstore.query import HStoreQuerySet, HStoreWhereNode
from django_hstore.managers import HStoreManager


class GeoHStoreWhereNode(GeoWhereNode, HStoreWhereNode):
    pass


class GeoHStoreQuerySet(GeoQuerySet, HStoreQuerySet):

    # change where node class
    def __init__(self, model=None, query=None, using=None):
        super(GeoHStoreQuerySet, self).__init__(model=model,
            query=query, using=using)
        self.query = query or GeoQuery(self.model, where=GeoHStoreWhereNode)

    def supports_services(self):
        """
        takes in a list of services, builds up a dict which makes to
        capabilities and queries the services hstore field to see which
        stations supports all requested services.
        """
        services_map = {
            "test": "Y",
        }

        return self.filter(services__contains=services_map)


class GeoHStoreManager(GeoManager, HStoreManager):

    def get_query_set(self):
        return GeoHStoreQuerySet(self.model, using=self._db)

    def supports_services(self):
        return self.get_query_set().supports_services()

    def __getattr__(self, name):
        return getattr(self.get_query_set(), name)