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improve: chat logic
Browse files- modules/response_generator.py +136 -322
modules/response_generator.py
CHANGED
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import json
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import os
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from .ai_model import AIModel
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from .
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from utils.logger import log
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class ResponseGenerator:
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def __init__(self, ai_model: AIModel
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self.ai_model = ai_model
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self.kb = knowledge_base
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self.personas = self._load_personas()
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def _load_personas(self):
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with open(personas_path, 'r', encoding='utf-8') as f:
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data = json.load(f)
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return data.get('personas', {})
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def generate(self,
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"""
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try:
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# 1. 生成对新提取信息的确认反馈
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acknowledgement = self._generate_acknowledgement(extracted_info)
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if acknowledgement:
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response_parts.append(acknowledgement)
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#
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next_question = self._get_next_question(session_state)
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if next_question:
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# 3. 如果所有信息都齐全,生成旅行计划
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if not next_question:
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plan = self._generate_persona_enhanced_plan(user_message, session_state)
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response_parts.append(plan)
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# 组合回复
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return " ".join(response_parts) if response_parts else "我理解了,请继续告诉我您的需求。"
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except Exception as e:
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log.error(f"❌
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return "
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def _get_next_question(self, session_state: dict) -> str:
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"""
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ack_parts = []
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if "destination" in extracted_info:
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name = extracted_info['destination'].get('name', '目的地')
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ack_parts.append(f"目的地已设置为{name}")
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if "duration" in extracted_info:
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days = extracted_info['duration'].get('days', '几')
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ack_parts.append(f"行程天数已设置为{days}天")
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if "budget" in extracted_info:
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budget_desc = self._format_budget_info(extracted_info['budget'])
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ack_parts.append(f"预算已设置为{budget_desc}")
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if not ack_parts:
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return ""
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return "好的," + ",".join(ack_parts) + "。"
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else:
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if budget.get('amount') and budget.get('currency'):
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return f"{budget['amount']}{budget['currency']}"
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if budget.get('description'):
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return budget['description']
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if budget.get('type'):
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type_map = {
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'economy': '经济型',
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'comfortable': '舒适型',
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'luxury': '豪华型'
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}
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return type_map.get(budget['type'], budget['type'])
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return "中等预算"
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def _build_generic_prompt(self, session_state: dict, knowledge_context: str = "") -> str:
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"""构建通用prompt(当没有persona时使用)"""
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destination = session_state.get("destination", {})
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duration = session_state.get("duration", {})
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budget = session_state.get("budget", {})
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location = destination.get('name', '目的地')
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days = duration.get('days', '几')
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budget_info = self._format_budget_info(budget)
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prompt = f"""你是一个专业的旅游助手。请为用户生成一个详细的旅行计划。
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【基本信息】
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- 目的地:{location}
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- 旅行天数:{days}天
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- 预算:{budget_info}
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【要求】
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- 提供具体的景点推荐和路线安排
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- 包含交通、住宿、餐饮建议
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- 确保所有推荐都在预算范围内
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- 提供实用的旅行贴士"""
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if knowledge_context:
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prompt += f"\n\n【背景信息】\n{knowledge_context}"
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prompt += "\n\n请生成一份实用、详细的旅行计划。"
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return prompt
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def _build_search_query(self, session_state: dict) -> str:
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"""构建知识库搜索查询"""
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destination = session_state.get("destination", {})
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persona = session_state.get("persona", {})
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budget = session_state.get("budget", {})
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query_parts = []
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# 添加目的地
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if destination.get('name'):
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query_parts.append(destination['name'])
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# 添加persona类型
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if persona.get('key'):
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query_parts.append(persona['key'])
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# 添加预算类型
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if budget.get('type'):
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query_parts.append(budget['type'])
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return " ".join(query_parts) if query_parts else "欧洲旅行"
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def _generate_fallback_plan(self, session_state: dict, knowledge_context: str = "") -> str:
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"""AI不可用时的备用计划生成(现在包含预算和persona信息)"""
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destination = session_state.get("destination", {})
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duration = session_state.get("duration", {})
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budget = session_state.get("budget", {})
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persona = session_state.get("persona", {})
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location = destination.get('name', '目的地')
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days = duration.get('days', '几')
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budget_info = self._format_budget_info(budget)
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persona_name = persona.get('name', '旅行者')
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plan = f"为您推荐 {location} {days}天旅行计划:\n\n"
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# 用户信息概述
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plan += f"👤 旅行者类型:{persona_name}\n"
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plan += f"💰 预算范围:{budget_info}\n\n"
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# 优先使用知识库信息
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if knowledge_context and "相关旅游知识" in knowledge_context:
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plan += f"📚 {knowledge_context}\n\n"
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# 使用cities.json中的基础信息
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highlights = destination.get('highlights', '精彩景点等待您的探索')
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plan += f"🎯 主要景点:{highlights}\n\n"
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best_season = destination.get('best_season', '全年适宜')
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plan += f"🌤️ 最佳旅行时间:{best_season}\n\n"
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avg_budget = destination.get('avg_daily_budget', 100)
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plan += f"💰 日均预算参考:约{avg_budget}欧元/天\n\n"
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# 根据persona调整建议风格
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if persona.get('key') == 'planner':
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plan += "📋 建议制定详细的每日行程表,包含具体时间安排和备选方案。\n\n"
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elif persona.get('key') == 'social':
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plan += "📸 推荐寻找热门打卡点,准备好相机记录美好时光!\n\n"
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elif persona.get('key') == 'experiential':
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plan += "🎨 建议深入当地社区,寻找地道的文化体验和小众景点。\n\n"
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# 预算相关建议
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if budget.get('type') == 'economy':
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plan += "💡 经济型贴士:考虑使用公共交通,选择青旅或民宿,寻找当地平价美食。\n\n"
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elif budget.get('type') == 'luxury':
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plan += "✨ 豪华体验:可以考虑五星酒店、私人导览和米其林餐厅。\n\n"
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plan += "如需更详细的个性化规划,请告诉我您的具体需求!"
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return plan
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def _format_knowledge_context(self, knowledge_items: list) -> str:
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"""格式化知识库内容作为上下文"""
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if not knowledge_items:
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return "基于一般旅游建议"
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try:
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# 只使用最相关的一条知识
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item = knowledge_items[0]
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knowledge = item.get('knowledge', {})
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travel_knowledge = knowledge.get('travel_knowledge', {})
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context_parts = []
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# 1. 获取目的地信息
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destination_info = travel_knowledge.get('destination_info', {})
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if destination_info:
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primary_destinations = destination_info.get('primary_destinations', [])
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if primary_destinations:
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context_parts.append(f"目的地: {', '.join(primary_destinations)}")
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recommended_duration = destination_info.get('recommended_duration')
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if recommended_duration:
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context_parts.append(f"推荐天数: {recommended_duration}天")
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# 2. 获取预算信息
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budget_analysis = travel_knowledge.get('budget_analysis', {})
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if budget_analysis:
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total_budget = budget_analysis.get('total_budget_range')
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if total_budget:
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context_parts.append(f"预算参考: {total_budget}")
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daily_average = budget_analysis.get('daily_average')
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if daily_average:
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context_parts.append(f"日均预算: {daily_average}")
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# 3. 获取专业见解
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professional_insights = travel_knowledge.get('professional_insights', {})
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if professional_insights:
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common_mistakes = professional_insights.get('common_mistakes', [])
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if common_mistakes:
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context_parts.append(f"避免误区: {', '.join(common_mistakes[:2])}")
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insider_secrets = professional_insights.get('insider_secrets', [])
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if insider_secrets:
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context_parts.append(f"内行贴士: {', '.join(insider_secrets[:2])}")
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seasonal_info = professional_insights.get('seasonal_considerations', {})
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if seasonal_info:
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best_months = seasonal_info.get('best_months', [])
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if best_months:
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context_parts.append(f"最佳时间: {', '.join(best_months)}")
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# 4. 拼接结果
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if context_parts:
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return "相关旅游知识:\n- " + "\n- ".join(context_parts)
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else:
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return "基于一般旅游建议"
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import json
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from .ai_model import AIModel
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from .session_manager import SessionState # 假设 session_state 是一个类
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from utils.logger import log
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import re
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class ResponseGenerator:
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def __init__(self, ai_model: AIModel):
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self.ai_model = ai_model
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self.personas = self._load_personas()
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def _load_personas(self) -> dict:
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with open("./config/personas.json", 'r', encoding='utf-8') as f:
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data = json.load(f)
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log.info(f"✅ 成功加载 {len(data.get('personas', {}))} 个 persona。")
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return data.get('personas', {})
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def generate(self, session_state: SessionState) -> str:
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"""
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根据当前会话状态,生成一个完全符合选定 Persona 风格的智能回复。
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"""
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try:
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persona_key = session_state.persona or "planner" # 如果未选择,则默认为 planner
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persona_config = self.personas.get(persona_key, self.personas.get("planner"))
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# 1. 检查信息完整性,并使用 persona 的风格来提问
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next_question = self._get_next_question(session_state, persona_config)
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if next_question:
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# 如果是第一个问题(目的地未知),直接返回问题
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if not session_state.destination:
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return next_question
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# 否则,先确认已知信息,再提问
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else:
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ack = self._generate_acknowledgement(session_state, persona_config)
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return f"{ack} {next_question}"
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# 2. 如果所有信息都齐全,则生成最终的旅行计划
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log.info(f"✅ 所有信息已集齐,开始为 persona '{persona_key}' 生成最终计划。")
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plan = self._generate_persona_enhanced_plan(session_state, persona_config)
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return plan
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except Exception as e:
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log.error(f"❌ 在响应生成过程中发生未知错误: {e}", exc_info=True)
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| 45 |
+
return "抱歉,我的思绪好像出了一点小问题,我们能重新开始吗?"
|
| 46 |
+
|
| 47 |
+
def _get_next_question(self, session_state: SessionState, persona_config: dict) -> str:
|
| 48 |
+
"""根据缺失信息,生成符合 persona 语气的下一个问题。"""
|
| 49 |
+
|
| 50 |
+
persona_tone_style = f"语气({persona_config.get('tone', ['友好'])[0]})"
|
| 51 |
+
|
| 52 |
+
if not session_state.destination:
|
| 53 |
+
# 根据不同 persona 定制提问方式
|
| 54 |
+
if persona_config.get('name', '').startswith("高效"):
|
| 55 |
+
return "您好,为了开始规划,请首先提供您的目的地城市。"
|
| 56 |
+
elif persona_config.get('name', '').startswith("社交"):
|
| 57 |
+
return "哈喽!准备好开启一场超棒的旅行了吗?快告诉我你们想去哪里呀?目的地是哪里呀?🌍"
|
| 58 |
+
else: # 默认或体验型
|
| 59 |
+
return "您好!很高兴能为您服务。请问这次您渴望探索哪个目的地呢?"
|
| 60 |
+
|
| 61 |
+
if not session_state.duration:
|
| 62 |
+
dest_name = session_state.destination
|
| 63 |
+
if persona_config.get('name', '').startswith("高效"):
|
| 64 |
+
return f"目的地已确认为 {dest_name}。请提供计划的旅行总天数。"
|
| 65 |
+
elif persona_config.get('name', '').startswith("社交"):
|
| 66 |
+
return f"哇!{dest_name}!听起来就超赞的!你们打算一起玩几天呀?🥳"
|
| 67 |
+
else:
|
| 68 |
+
return f"{dest_name},一个充满故事的地方。您希望在这片土地上沉浸几天呢?"
|
|
|
|
|
|
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|
|
| 69 |
|
| 70 |
+
if not session_state.budget:
|
| 71 |
+
if persona_config.get('name', '').startswith("高效"):
|
| 72 |
+
return "为了进行精确的预算分配,请明确您的预算等级(例如:经济型、舒适型、豪华型)或大致的总金额。"
|
| 73 |
+
elif persona_config.get('name', '').startswith("社交"):
|
| 74 |
+
return "最后一个问题!这次出去玩的预算大概是多少呀?是小资轻奢还是尽情嗨皮呢?💰"
|
| 75 |
+
else:
|
| 76 |
+
return "为了让体验更贴合您的期望,可以分享一下这次旅行的预算范围吗?"
|
| 77 |
+
|
| 78 |
+
return "" # 所有信息都已收集完毕
|
| 79 |
+
|
| 80 |
+
def _generate_acknowledgement(self, session_state: SessionState, persona_config: dict) -> str:
|
| 81 |
+
"""对刚刚更新的信息,生成一个符合 persona 语气的确认。"""
|
| 82 |
+
# 这个函数可以在 session_state 更新后被调用,以提供即时反馈。
|
| 83 |
+
# 在当前简化流程中,它被整合到提问环节。
|
| 84 |
+
dest = session_state.destination
|
| 85 |
+
days = session_state.duration
|
| 86 |
+
|
| 87 |
+
if persona_config.get('name', '').startswith("高效"):
|
| 88 |
+
if days:
|
| 89 |
+
return f"已记录:行程共计 {days} 天。"
|
| 90 |
+
return f"收到。目的地:{dest}。"
|
| 91 |
+
elif persona_config.get('name', '').startswith("社交"):
|
| 92 |
+
if days:
|
| 93 |
+
return f"收到啦!{days} 天的行程,一定能玩得超开心!"
|
| 94 |
+
return f"好嘞!目的地 {dest} 已锁定!"
|
| 95 |
else:
|
| 96 |
+
if days:
|
| 97 |
+
return f"明白了,一段为期 {days} 天的旅程。"
|
| 98 |
+
return f"好的,我们将围绕 {dest} 展开探索。"
|
| 99 |
+
|
| 100 |
+
def _generate_persona_enhanced_plan(self, session_state: SessionState, persona_config: dict) -> str:
|
| 101 |
+
"""调用AI模型,使用 persona 模板生成最终的旅行计划。"""
|
| 102 |
+
prompt = self._build_prompt(session_state, persona_config)
|
| 103 |
+
|
| 104 |
+
log.info(f"🧠 正在使用 persona '{persona_config.get('name')}' 的模板生成计划...")
|
| 105 |
+
# log.debug(f"最终生成的Prompt:\n---\n{prompt}\n---") # 如果需要调试,可以取消此行注释
|
| 106 |
+
|
| 107 |
+
# 实际调用AI模型
|
| 108 |
+
# plan = self.ai_model.generate(prompt)
|
| 109 |
+
# return plan
|
| 110 |
+
|
| 111 |
+
# --- 当前用于演示的临时返回 ---
|
| 112 |
+
# 它会清晰地展示我们是如何根据persona构建prompt的
|
| 113 |
+
return f"✨ **计划生成预览** ✨\n\n我将使用下面的指令为您生成计划:\n\n```prompt\n{prompt}\n```"
|
| 114 |
+
|
| 115 |
+
|
| 116 |
+
def _build_prompt(self, session_state: SessionState, persona_config: dict) -> str:
|
| 117 |
+
"""
|
| 118 |
+
【核心升级】
|
| 119 |
+
一个更健壮、更灵活的 prompt 构建方法。
|
| 120 |
+
它会安全地填充模板,即使 session_state 中的信息不完整。
|
| 121 |
+
"""
|
| 122 |
+
template = persona_config.get('prompt_template')
|
| 123 |
+
if not template:
|
| 124 |
+
log.warning(f"Persona '{persona_config.get('name')}' 缺少 'prompt_template',将使用通用模板。")
|
| 125 |
+
# 此处可以返回一个通用的后备 prompt
|
| 126 |
+
return f"请为我规划一个去 {session_state.destination} 的 {session_state.duration} 天行程。"
|
| 127 |
+
|
| 128 |
+
# 1. 从 session_state 收集所有可能用到的信息
|
| 129 |
+
context = {
|
| 130 |
+
"location": session_state.destination,
|
| 131 |
+
"days": session_state.duration,
|
| 132 |
+
"budget": session_state.budget,
|
| 133 |
+
"date": session_state.get_specific_info('date', '近期'), # 假设 session_state 有此方法
|
| 134 |
+
"user_tags": ", ".join(session_state.get_specific_info('tags', [])),
|
| 135 |
+
"commercial_preference": session_state.get_specific_info('commercial', '适中'),
|
| 136 |
+
"group_description": session_state.get_specific_info('group', '个人'),
|
| 137 |
+
"tags": ", ".join(session_state.get_specific_info('tags', []))
|
| 138 |
+
}
|
| 139 |
+
|
| 140 |
+
# 2. 使用正则表达式查找模板中所有的 {placeholder}
|
| 141 |
+
placeholders = re.findall(r'\{(\w+)\}', template)
|
| 142 |
+
|
| 143 |
+
# 3. 用 context 中的值替换模板中的占位符
|
| 144 |
+
# 这种方法比 .format(**context) 更安全,因为它只替换存在的占位符,
|
| 145 |
+
# 并且如果 context 中缺少某个键,它不会抛出 KeyError。
|
| 146 |
+
for key in placeholders:
|
| 147 |
+
value = context.get(key)
|
| 148 |
+
if value is not None:
|
| 149 |
+
template = template.replace(f'{{{key}}}', str(value))
|
|
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|
| 150 |
else:
|
| 151 |
+
# 如果 context 中没有这个值,可以选择留空或使用默认值
|
| 152 |
+
template = template.replace(f'{{{key}}}', '(未提供)')
|
| 153 |
+
|
| 154 |
+
return template
|
|
|