Source code for pcapkit.const.ipv4.tos_ecn

# -*- coding: utf-8 -*-
# pylint: disable=line-too-long,consider-using-f-string
"""ToS ECN Field
===================

This module contains the constant enumeration for **ToS ECN Field**,
which is automatically generated from :class:`pcapkit.vendor.ipv4.tos_ecn.ToSECN`.

"""

from aenum import IntEnum, extend_enum

__all__ = ['ToSECN']


[docs]class ToSECN(IntEnum): """[ToSECN] ToS ECN Field""" Not_ECT = 0b00 ECT_0b01 = 0b01 ECT_0b10 = 0b10 CE = 0b11 @staticmethod def get(key: 'int | str', default: 'int' = -1) -> 'ToSECN': """Backport support for original codes. Args: key: Key to get enum item. default: Default value if not found. """ if isinstance(key, int): return ToSECN(key) if key not in ToSECN._member_map_: # pylint: disable=no-member extend_enum(ToSECN, key, default) return ToSECN[key] # type: ignore[misc]
[docs] @classmethod def _missing_(cls, value: 'int') -> 'ToSECN': """Lookup function used when value is not found. Args: value: Value to get enum item. """ if not (isinstance(value, int) and 0b00 <= value <= 0b11): raise ValueError('%r is not a valid %s' % (value, cls.__name__)) extend_enum(cls, 'Unassigned_0b%s' % bin(value)[2:].zfill(2), value) return cls(value)