"""Enumerations for chardet."""
from __future__ import annotations
import enum
class EncodingEra(enum.IntFlag):
"""Bit flags representing encoding eras for filtering detection candidates."""
MODERN_WEB = 1
LEGACY_ISO = 2
LEGACY_MAC = 4
LEGACY_REGIONAL = 8
DOS = 16
MAINFRAME = 32
ALL = MODERN_WEB | LEGACY_ISO | LEGACY_MAC | LEGACY_REGIONAL | DOS | MAINFRAME
class LanguageFilter(enum.IntFlag):
"""Language filter flags for UniversalDetector (chardet 6.x API compat).
Accepted but not used — our pipeline does not filter by language group.
.. deprecated::
Retained only for backward compatibility with chardet 6.x callers.
Will be removed in a future major version.
"""
CHINESE_SIMPLIFIED = 0x01
CHINESE_TRADITIONAL = 0x02
JAPANESE = 0x04
KOREAN = 0x08
NON_CJK = 0x10
ALL = 0x1F
CHINESE = CHINESE_SIMPLIFIED | CHINESE_TRADITIONAL
CJK = CHINESE | JAPANESE | KOREAN