Source code for ska_tmc_cdm.schemas.subarray_node.configure.tmc

The schemas module defines Marshmallow schemas that map CDM message classes
and data model classes to/from a JSON representation.
import copy
from datetime import timedelta

from marshmallow import Schema, fields, post_load, pre_dump

from ska_tmc_cdm.messages.subarray_node.configure.tmc import TMCConfiguration
from ska_tmc_cdm.schemas import CODEC

__all__ = ["TMCConfigurationSchema"]

[docs]@CODEC.register_mapping(TMCConfiguration) class TMCConfigurationSchema(Schema): # pylint: disable=too-few-public-methods """ Create the Schema for ScanDuration using timedelta """ scan_duration = fields.Float()
[docs] @pre_dump def convert_scan_duration_timedelta_to_float( self, data: TMCConfiguration, **_ ): # pylint: disable=no-self-use """ Process scan_duration and convert it to a float :param data: the scan_duration timedelta :param _: kwargs passed by Marshallow :return: float converted """ copied = copy.deepcopy(data) in_secs = data.scan_duration.total_seconds() copied.scan_duration = in_secs return copied
[docs] @post_load def convert_scan_duration_number_to_timedelta( self, data, **_ ): # pylint: disable=no-self-use """ Convert parsed JSON back into a TMConfiguration :param data: dict containing parsed JSON values :param _: kwargs passed by Marshmallow :return: TMCConfiguration instance populated to match JSON """ scan_duration = timedelta(seconds=data.get('scan_duration')) tmc_config = TMCConfiguration( scan_duration=scan_duration ) return tmc_config