83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
"""
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NarrativeAgent：生成创意标题和叙事改写。
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对应现有逻辑：get_creative_title_prompt、get_narrative_prompt
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"""
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from __future__ import annotations
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from typing import Any, Dict, Optional
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from app.core.logging import get_logger
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from app.agents.memoir.prompts import (
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get_creative_title_prompt,
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get_narrative_json_prompt,
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)
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logger = get_logger(__name__)
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class NarrativeAgent:
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"""生成章节标题和叙事正文"""
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def generate_title(
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self,
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stage: str,
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emotion: str,
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slots: Dict[str, str],
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user_profile: str = "",
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birth_year: Optional[int] = None,
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llm: Any = None,
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) -> str:
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"""生成创意标题。若无 LLM 则返回默认标题"""
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if not llm:
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return f"{stage} 回忆"
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try:
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prompt = get_creative_title_prompt(
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stage=stage,
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emotion=emotion,
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slots=slots,
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user_profile=user_profile,
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birth_year=birth_year,
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)
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response = llm.invoke(prompt)
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return (response.content or "").strip().strip('"')
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except Exception as e:
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logger.warning("NarrativeAgent 生成标题失败: %s", e)
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return f"{stage} 回忆"
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def generate_narrative(
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self,
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stage: str,
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slots: Dict[str, str],
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new_content: str,
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existing_content: str = "",
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user_profile: str = "",
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birth_year: Optional[int] = None,
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llm: Any = None,
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) -> str:
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"""将新对话改写为叙述。若无 LLM 则直接拼接"""
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if not llm:
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if existing_content:
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return f"{existing_content}\n\n{new_content}"
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return new_content
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try:
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prompt = get_narrative_json_prompt(
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stage=stage,
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slots=slots,
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new_content=new_content,
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existing_content=existing_content,
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user_profile=user_profile,
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birth_year=birth_year,
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)
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json_llm = llm.bind(
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model_kwargs={"response_format": {"type": "json_object"}},
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max_tokens=4096,
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)
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response = json_llm.invoke(prompt)
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return (response.content or "").strip()
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except Exception as e:
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logger.warning("NarrativeAgent 生成叙事失败: %s", e)
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if existing_content:
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return f"{existing_content}\n\n{new_content}"
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return new_content
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