app/django/contrib/gis/db/backend/base.py
author Sverre Rabbelier <srabbelier@gmail.com>
Tue, 25 Nov 2008 23:16:32 +0000
changeset 587 7504504209a3
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Fixed some access related bugs These were not obvious previously, but with the sidebar not showing up when one does not have access, they stood out.

"""
 This module holds the base `SpatialBackend` object, which is
 instantiated by each spatial backend with the features it has.
"""
# TODO: Create a `Geometry` protocol and allow user to use
# different Geometry objects -- for now we just use GEOSGeometry.
from django.contrib.gis.geos import GEOSGeometry, GEOSException

class BaseSpatialBackend(object):
    Geometry = GEOSGeometry
    GeometryException = GEOSException

    def __init__(self, **kwargs):
        kwargs.setdefault('distance_functions', {})
        kwargs.setdefault('limited_where', {})
        for k, v in kwargs.iteritems(): setattr(self, k, v)
 
    def __getattr__(self, name):
        """
        All attributes of the spatial backend return False by default.
        """
        try:
            return self.__dict__[name]
        except KeyError:
            return False