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hub / github.com/CommonstackAI/UncommonRoute / find_prefix_match

Method find_prefix_match

uncommon_route/session.py:78–92  ·  view source on GitHub ↗

Return the longest existing record whose msg_hashes is a (non-strict) prefix of the incoming msg_hashes — equal-length matches included so repeated single-shot prompts collapse into the same session, mirroring v1's content-equality semantics.

(self, msg_hashes: tuple[str, ...])

Source from the content-addressed store, hash-verified

76 self._evict_expired(now)
77
78 def find_prefix_match(self, msg_hashes: tuple[str, ...]) -> _SessionRecord | None:
79 """Return the longest existing record whose msg_hashes is a (non-strict)
80 prefix of the incoming msg_hashes — equal-length matches included so
81 repeated single-shot prompts collapse into the same session, mirroring
82 v1's content-equality semantics."""
83 best: _SessionRecord | None = None
84 n = len(msg_hashes)
85 for rec in self._records.values():
86 m = len(rec.msg_hashes)
87 if m > n:
88 continue
89 if msg_hashes[:m] == rec.msg_hashes:
90 if best is None or m > len(best.msg_hashes):
91 best = rec
92 return best
93
94 def upsert(self, record: _SessionRecord) -> None:
95 # Move-to-end on touch (LRU).

Callers 1

derive_session_id_v2Function · 0.80

Calls

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Tested by

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