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zeekay
bc4ddf332b
Mechanically re-derived: bin/debrand runs over a fresh import of posthog/posthog@fa1a9a60d4 (2026-08-06). The pipeline (.hanzo/workflows), the Dockerfiles and bin/docker* entrypoints, compose files, LLM.md and the squashed initial migration are restored from the shipped tree, same as the previous import. The prune's import-closure guard kept 21 products the new core now imports; dropping them is a refactor now, recorded rather than forced.
24 lines
1.1 KiB
Python
24 lines
1.1 KiB
Python
"""The config fingerprint shared by the schedule reconciler and inline scans.
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Both need "same config, same key", and they must agree on canonicalization: the reconciler compares its
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fingerprint against the one stamped on a live Temporal schedule, so any drift in how a config is
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serialized would re-reconcile every schedule once.
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The two callers want different lengths. A schedule fingerprint is a change detector, so a collision
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costs one skipped reconcile and 16 hex is plenty. An inline scan's key is an identity, so a collision
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would silently merge two unrelated questions into one result set, and it uses the full digest.
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"""
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import json
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import hashlib
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from typing import Any
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# Short enough to read in a schedule's memo, wide enough that config drift is what changes it.
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SCHEDULE_FINGERPRINT_LENGTH = 16
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def config_fingerprint(payload: dict[str, Any] | None, *, length: int | None = None) -> str:
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canonical = json.dumps(payload or {}, sort_keys=True, separators=(",", ":"))
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digest = hashlib.sha256(canonical.encode()).hexdigest()
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return digest if length is None else digest[:length]
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