--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/django/contrib/gis/db/backends/mysql/introspection.py	Tue May 25 02:43:45 2010 +0200
@@ -0,0 +1,32 @@
+from MySQLdb.constants import FIELD_TYPE
+
+from django.contrib.gis.gdal import OGRGeomType
+from django.db.backends.mysql.introspection import DatabaseIntrospection
+
+class MySQLIntrospection(DatabaseIntrospection):
+    # Updating the data_types_reverse dictionary with the appropriate
+    # type for Geometry fields.
+    data_types_reverse = DatabaseIntrospection.data_types_reverse.copy()
+    data_types_reverse[FIELD_TYPE.GEOMETRY] = 'GeometryField'
+
+    def get_geometry_type(self, table_name, geo_col):
+        cursor = self.connection.cursor()
+        try:
+            # In order to get the specific geometry type of the field,
+            # we introspect on the table definition using `DESCRIBE`.
+            cursor.execute('DESCRIBE %s' %
+                           self.connection.ops.quote_name(table_name))
+            # Increment over description info until we get to the geometry
+            # column.
+            for column, typ, null, key, default, extra in cursor.fetchall():
+                if column == geo_col:
+                    # Using OGRGeomType to convert from OGC name to Django field.
+                    # MySQL does not support 3D or SRIDs, so the field params
+                    # are empty.
+                    field_type = OGRGeomType(typ).django
+                    field_params = {}
+                    break
+        finally:
+            cursor.close()
+
+        return field_type, field_params