def odata_converter(data, str_type):
        ''' Convert odata type
        http://www.odata.org/documentation/odata-version-2-0/overview#AbstractTypeSystem
        To be completed
        '''
        if not str_type:
            return _str(data)
        if str_type in ["Edm.Single", "Edm.Double"]:
            return float(data)
        elif "Edm.Int" in str_type:
            return int(data)
        else:
            return _str(data)
Convert odata type
        http://www.odata.org/documentation/odata-version-2-0/overview#AbstractTypeSystem
        To be completed