Vito
ab333d3838
* feat(tags): keep unused tags in the shared vocabulary * feat(vocabulary): add bounded tag and category reads * feat(vocabulary): guard tag create, rename and merge * feat(vocabulary): preview and apply category consolidation * refactor(vocabulary): share canonical token hashing * test(vocabulary): prove retained tags survive restore * test(vocabulary): cover category paging tie-break and clarify contract docs * test(vocabulary): assert rejected tag creations write nothing
38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
"""Narrow comparison tokens for a Library parent's own metadata projection."""
|
|
|
|
import hashlib
|
|
import json
|
|
|
|
_DOMAIN = "prompt-manager-library-parent:v1\n"
|
|
|
|
|
|
def canonical_token(domain: str, preimage: dict) -> str:
|
|
"""SHA-256 of ``domain`` plus the canonical JSON of ``preimage``."""
|
|
payload = json.dumps(
|
|
preimage,
|
|
sort_keys=True,
|
|
separators=(",", ":"),
|
|
ensure_ascii=False,
|
|
allow_nan=False,
|
|
)
|
|
return hashlib.sha256((domain + payload).encode("utf-8")).hexdigest()
|
|
|
|
|
|
def library_edit_token(epoch: str, positive: dict) -> str:
|
|
"""Hash the parent's owner fields under the current storage epoch.
|
|
|
|
Timestamps, counts, pairs and previews are excluded, and an absent state
|
|
row projects the same null title as a default one.
|
|
"""
|
|
preimage = {
|
|
"epoch": epoch,
|
|
"id": positive["id"],
|
|
"text": positive["text"],
|
|
"title": positive["title"],
|
|
"category": positive["category"],
|
|
"notes": positive["notes"],
|
|
"rating": positive["rating"],
|
|
"tags": sorted(set(positive["tags"])),
|
|
}
|
|
return canonical_token(_DOMAIN, preimage)
|