| """ |
| This module holds simple classes used by GeoQuery.convert_values |
| to convert geospatial values from the database. |
| """ |
| |
| class BaseField(object): |
| empty_strings_allowed = True |
| def get_internal_type(self): |
| "Overloaded method so OracleQuery.convert_values doesn't balk." |
| return None |
| |
| class AreaField(BaseField): |
| "Wrapper for Area values." |
| def __init__(self, area_att): |
| self.area_att = area_att |
| |
| class DistanceField(BaseField): |
| "Wrapper for Distance values." |
| def __init__(self, distance_att): |
| self.distance_att = distance_att |
| |
| class GeomField(BaseField): |
| """ |
| Wrapper for Geometry values. It is a lightweight alternative to |
| using GeometryField (which requires a SQL query upon instantiation). |
| """ |
| pass |
