1 from django.db import connection

     2 

     3 if (hasattr(connection.ops, 'spatial_version') and

     4     not connection.ops.mysql):

     5     # Getting the `SpatialRefSys` and `GeometryColumns`

     6     # models for the default spatial backend.  These

     7     # aliases are provided for backwards-compatibility.

     8     SpatialRefSys = connection.ops.spatial_ref_sys()

     9     GeometryColumns = connection.ops.geometry_columns()