| from django.conf import settings |
| from django.core.exceptions import ImproperlyConfigured |
| from django.utils.importlib import import_module |
| |
| geom_backend = getattr(settings, 'GEOMETRY_BACKEND', 'geos') |
| |
| try: |
| module = import_module('.%s' % geom_backend, 'django.contrib.gis.geometry.backend') |
| except ImportError, e: |
| try: |
| module = import_module(geom_backend) |
| except ImportError, e_user: |
| raise ImproperlyConfigured('Could not import user-defined GEOMETRY_BACKEND ' |
| '"%s".' % geom_backend) |
| |
| try: |
| Geometry = module.Geometry |
| GeometryException = module.GeometryException |
| except AttributeError: |
| raise ImproperlyConfigured('Cannot import Geometry from the "%s" ' |
| 'geometry backend.' % geom_backend) |
