LeoVasanko
b4404b42e6
- pyproject [tool.ruff.lint]: ignore RUF022/RUF023 (deliberately grouped __all__/__slots__), SIM117, BLE001 (blind except is intentional at CFFI callback boundaries) - Legit fixes: dict/tuple instead of typing.Dict/Tuple in generate.py, unquoted annotations in raf.py, Self return for __enter__ methods, explicit check=False on subprocess.run, collapsed nested ifs, sorted test imports, unused-unpacked-variable in test_raises - Bump minimum versions to the synced toolchain: cffi 2.1.1, ruff 0.16.10, pytest 9.1.1, auditwheel 6.8.2, setuptools 84.0.0, setuptools-scm 10.3.4 (project deps and build-system requires)
28 lines
670 B
Python
28 lines
670 B
Python
import random
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_rng = random.SystemRandom()
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def random_split_bytes(data: bytes) -> list[bytes]:
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"""Split ``data`` into one to a few random-sized chunks.
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Keeps chunk sizes positive and varies the number of pieces between 1 and 4.
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"""
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if not data:
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return [data]
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if len(data) == 1:
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return [data]
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max_chunks = min(4, len(data))
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chunks = _rng.randint(1, max_chunks)
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if chunks == 1:
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return [data]
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cut_points = sorted(_rng.sample(range(1, len(data)), chunks - 1))
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start = 0
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parts = []
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for stop in (*cut_points, len(data)):
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parts.append(data[start:stop])
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start = stop
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return parts
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