100 lines
3.6 KiB
Python
100 lines
3.6 KiB
Python
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"""
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将 MemoryService.retrieve / evidence bundle 格式化为 prompt 用短文本（叙事与访谈共用）。
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"""
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from __future__ import annotations
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import re
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def _normalize_evidence_line(s: str) -> str:
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return re.sub(r"\s+", " ", (s or "").strip().lower())
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def dedupe_evidence_chunk_rows(chunks: list) -> list:
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"""
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对 relevant_chunks 做稳定去重：按归一化后长度降序 + 原下标，单遍包含判定；
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复杂度 O(n log n)；输出按原顺序中保留条目的相对顺序稳定。
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"""
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extracted: list[tuple[int, str, object]] = []
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for i, c in enumerate(chunks):
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content = (
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c.get("content", "") if isinstance(c, dict) else getattr(c, "content", "")
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)
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t = (content or "").strip()
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if not t:
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continue
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extracted.append((i, t, c))
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if len(extracted) <= 1:
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return [x[2] for x in extracted]
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extracted.sort(
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key=lambda x: (-len(_normalize_evidence_line(x[1])), x[0]),
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)
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kept_norms: list[str] = []
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kept: list[tuple[int, object]] = []
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for orig_idx, text, c in extracted:
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n = _normalize_evidence_line(text)
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dup = False
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for kn in kept_norms:
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if len(n) <= len(kn) and n in kn:
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dup = True
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break
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if not dup:
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kept_norms.append(n)
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kept.append((orig_idx, c))
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kept.sort(key=lambda x: x[0])
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return [x[1] for x in kept]
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def format_evidence_chunks_for_prompt(evidence: dict) -> str:
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"""将 retrieve_evidence / retrieve_evidence_sync 结果格式化为简短文本，供叙事与访谈 prompt 使用。
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包含 chunks、摘要（若有）、confirmed facts、timeline、故事摘要（若有）。
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"""
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chunks = evidence.get("relevant_chunks") or []
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chunks = dedupe_evidence_chunk_rows(chunks[:10])
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summaries = evidence.get("relevant_summaries") or []
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facts = evidence.get("relevant_facts") or []
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timeline = evidence.get("timeline_hints") or []
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stories = evidence.get("relevant_stories") or []
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parts: list[str] = []
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for c in chunks:
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content = (
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c.get("content", "") if isinstance(c, dict) else getattr(c, "content", "")
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)
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if content:
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parts.append(content.strip())
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for s in summaries[:3]:
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if isinstance(s, dict):
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st = (s.get("content") or "").strip()
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stype = (s.get("summary_type") or "").strip()
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if st:
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label = f"[摘要:{stype}]" if stype else "[摘要]"
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parts.append(f"{label} {st}")
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for f in facts[:5]:
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if isinstance(f, dict):
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subj = f.get("subject", "")
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pred = f.get("predicate", "")
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obj = f.get("object_json", "")
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if subj or pred:
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parts.append(f"{subj} {pred} {obj}")
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else:
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parts.append(f"{getattr(f, 'subject', '')} {getattr(f, 'predicate', '')}")
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for t in timeline[:5]:
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if isinstance(t, dict):
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title = (t.get("title") or "").strip()
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year = t.get("event_year")
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desc = (t.get("description") or "").strip()
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line = " ".join(
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x for x in (str(year) if year is not None else "", title, desc) if x
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)
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if line:
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parts.append(line)
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for st in stories[:3]:
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if isinstance(st, dict):
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title = (st.get("title") or "").strip()
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summ = (st.get("summary") or "").strip()
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if title or summ:
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parts.append(" ".join(x for x in (title, summ) if x))
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return "\n\n".join(parts) if parts else ""
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