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"""
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 an SQL query upon instantiation).
"""
pass
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