services.py 文件源码

def _convert_legacy_dsmr_gas_line(parsed_reading, current_line, next_line):
    """ Legacy support for DSMR 2.x gas. """
    legacy_gas_line = current_line

    if next_line.startswith('('):  # pragma: no cover
        legacy_gas_line = current_line + next_line

    legacy_gas_result = re.search(
        r'[^(]+\((\d+)\)\(\d+\)\(\d+\)\(\d+\)\([0-9-.:]+\)\(m3\)\(([0-9.]+)\)',
        legacy_gas_line
    )
    gas_timestamp = legacy_gas_result.group(1)

    if timezone.now().dst() != timezone.timedelta(0):
        gas_timestamp += 'S'
    else:
        gas_timestamp += 'W'

    parsed_reading['extra_device_timestamp'] = reading_timestamp_to_datetime(
        string=gas_timestamp
    )
    parsed_reading['extra_device_delivered'] = legacy_gas_result.group(2)
    return parsed_reading