j^UdZddlmZddlmZdZded<eddhZd ed <ddZ dS)z*Stage 1a: BOM (Byte Order Mark) detection.) annotations)DetectionResult))utf-32)r)sz utf-8-sig)sutf-16)srztuple[tuple[bytes, str], ...]_BOMSrrzfrozenset[bytes] _UTF32_BOMSdatabytesreturnDetectionResult | NonectD]`\}}||rF|tvr)t|t|z }|dzdkrLt |ddcSadS)zCheck for a byte order mark at the start of *data*. :param data: The raw byte data to examine. :returns: A :class:`DetectionResult` with confidence 1.0, or ``None``. rg?N)encoding confidencelanguage)r startswithr lenr)r bom_bytesr payload_lens ^/lsinfo/ai/hellotax_ai/base_platform/venv/lib/python3.11/site-packages/chardet/pipeline/bom.py detect_bomrs % U U 8 ??9 % % U K''!$ii#i..8 ?a''"HtTTT T T T U 4N)r r r r) __doc__ __future__rchardet.pipelinerr __annotations__ frozensetr rrrr!s000"""""",,,,,,(!* +>@S*T U U UUUUr