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from django.core.exceptions import ImproperlyConfigured
from django.db import models
class DummyField(models.Field):
def __init__(self, dim=None, srid=None, geography=None, spatial_index=True, *args, **kwargs):
super(DummyField, self).__init__(*args, **kwargs)
try:
from django.contrib.gis.db import models
# Store a version of the original raster field for testing the exception
# raised if GDAL isn't installed.
models.OriginalRasterField = models.RasterField
except ImproperlyConfigured:
models.GeoManager = models.Manager
models.GeometryField = DummyField
models.LineStringField = DummyField
models.MultiPointField = DummyField
models.MultiPolygonField = DummyField
models.PointField = DummyField
models.PolygonField = DummyField
models.RasterField = DummyField
try:
models.RasterField()
except ImproperlyConfigured:
models.RasterField = DummyField
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