def from_xml(cls, tag: ET.Element, field_types_by_type_id=None):
lbl = super().from_xml(tag, field_types_by_type_id)
result = cls.from_label(lbl)
result.data_ranges = ast.literal_eval(tag.get("data_ranges", "[]"))
result.category = cls.Category[tag.get("category", "generic")]
crc_tag = tag.find("crc")
if crc_tag is not None:
result.checksum = GenericCRC.from_xml(crc_tag)
wsp_tag = tag.find("wsp_checksum")
if wsp_tag is not None:
result.checksum = WSPChecksum.from_xml(wsp_tag)
return result
def from_xml(cls, tag: ET.Element, field_types_by_caption=None):
lbl = super().from_xml(tag, field_types_by_caption)
if lbl.field_type is None or lbl.field_type.function != FieldType.Function.CHECKSUM:
checksum_field_type = next(
(ft for ft in field_types_by_caption.values() if ft.function == FieldType.Function.CHECKSUM),
FieldType("checksum", FieldType.Function.CHECKSUM, display_format_index=1))
lbl.field_type = checksum_field_type
result = cls.from_label(lbl)
result.data_ranges = ast.literal_eval(tag.get("data_ranges", "[]"))
result.category = cls.Category[tag.get("category", "generic")]
crc_tag = tag.find("crc")
if crc_tag is not None:
result.checksum = GenericCRC.from_xml(crc_tag)
wsp_tag = tag.find("wsp_checksum")
if wsp_tag is not None:
result.checksum = WSPChecksum.from_xml(wsp_tag)
return result