Jimmy
1edcb8b1f7
Read and update file_hashes.json on deploy; add --force-upload and tests. Co-authored-by: Cursor <cursoragent@cursor.com>
46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
"""
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Host-side helpers for file_hashes.json (same format as led-driver/src/file_hashes.py).
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"""
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import hashlib
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import json
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import os
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MANIFEST_VERSION = 1
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MANIFEST_FILENAME = "file_hashes.json"
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HASH_ALGO = "sha256"
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def normalize_remote_path(remote_file: str) -> str:
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"""Device-relative path with forward slashes (no leading slash)."""
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return remote_file.replace("\\", "/").lstrip("/")
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def sha256_hex_file(path: str) -> str:
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h = hashlib.sha256()
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with open(path, "rb") as f:
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for chunk in iter(lambda: f.read(65536), b""):
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h.update(chunk)
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return h.hexdigest()
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def parse_manifest(data: bytes) -> dict:
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"""Return path -> hash map from manifest bytes."""
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try:
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doc = json.loads(data.decode("utf-8"))
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except (UnicodeDecodeError, json.JSONDecodeError, TypeError, ValueError):
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return {}
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if not isinstance(doc, dict):
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return {}
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files = doc.get("files")
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return dict(files) if isinstance(files, dict) else {}
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def build_manifest_bytes(files: dict) -> bytes:
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doc = {
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"version": MANIFEST_VERSION,
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"algorithm": HASH_ALGO,
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"files": files,
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}
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return json.dumps(doc, separators=(",", ":")).encode("utf-8")
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