7f72171572
Initialize git, add Apache-2.0 LICENSE, .gitattributes (LF line endings), AGENTS.md (entry points, stack, discovery order, baseline checks), RUNBOOK.md (dev boot, prod deploy with overlay, ingestion, failures, rollback, scaling notes), .env.prod.example with rotated credential placeholders, and dev-only warnings on .env.example. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
22 lines
532 B
Python
22 lines
532 B
Python
"""Streaming SHA256 hashing utilities for large files."""
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from __future__ import annotations
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import hashlib
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from pathlib import Path
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_CHUNK = 1024 * 1024 # 1 MiB
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def sha256_file(path: Path | str) -> str:
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"""Compute SHA256 of a file in streaming mode (constant memory)."""
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h = hashlib.sha256()
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with open(path, "rb") as f:
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for block in iter(lambda: f.read(_CHUNK), b""):
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h.update(block)
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return h.hexdigest()
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def sha256_bytes(data: bytes) -> str:
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return hashlib.sha256(data).hexdigest()
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