def value_from_xml_string(self, value):
        if((value is None) or (self.strip_on_read and not value)):
            return None
        if(not isinstance(value, self.get_data_type())):
            value = self.get_data_type()(value)
        return value
Returns the value for this property from the given string value
dataset/ETHPy150Open jahlborn/appengine-rest-server/src/main/python/rest/__init__.py/PropertyHandler.value_from_xml_string