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purify
Browse files- __pycache__/app.cpython-314.pyc +0 -0
- app.py +104 -335
__pycache__/app.cpython-314.pyc
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app.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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-
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import os
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import asyncio
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from typing import List, Dict
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from contextlib import asynccontextmanager
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from fastapi import FastAPI, Request, HTTPException
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import uvicorn
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# ----------------- LINE Bot SDK v3 -----------------
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from linebot.v3.messaging import (
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AsyncApiClient,
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AsyncMessagingApi,
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@@ -19,12 +19,10 @@ from linebot.v3.messaging import (
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from linebot.v3.webhook import WebhookParser
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from linebot.v3.exceptions import InvalidSignatureError
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from openai import AsyncOpenAI
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from tavily import TavilyClient
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from sentence_transformers import SentenceTransformer, util
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from tenacity import retry, stop_after_attempt, wait_exponential
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# ====
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def _require_env(var: str) -> str:
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v = os.getenv(var)
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if not v:
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@@ -33,58 +31,9 @@ def _require_env(var: str) -> str:
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CHANNEL_SECRET = _require_env("CHANNEL_SECRET")
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CHANNEL_ACCESS_TOKEN = _require_env("CHANNEL_ACCESS_TOKEN")
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TAVILY_API_KEY = _require_env("TAVILY_API_KEY")
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OPENROUTER_API_KEY = _require_env("OPENROUTER_API_KEY")
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#
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LLM_BASE_URL = "https://openrouter.ai/api/v1"
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-
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# 模型 fallback 順序(免費模型優先)
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FALLBACK_MODELS = [
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"arcee-ai/trinity-large-preview:free",
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"stepfun/step-3.5-flash:free",
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"tngtech/deepseek-r1t2-chimera:free",
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"nvidia/nemotron-3-nano-30b-a3b:free",
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"tngtech/tng-r1t-chimera:free",
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"tngtech/deepseek-r1t-chimera:free",
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"deepseek/deepseek-r1-0528:free",
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]
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LLM_MODEL_CONFIG = {
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"max_tokens": int(os.getenv("MAX_TOKENS", 4000)),
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"temperature": float(os.getenv("TEMPERATURE", 0.7)),
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"frequency_penalty": 0.5,
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"presence_penalty": 0.3,
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}
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# ---------- 改良後的 System Prompt ----------
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SYSTEM_PROMPT = """你是一個友善、可靠的中文 AI 助手,專門幫助用戶解答各種問題。請用親切、自然的語氣回覆,全部使用繁體中文(除非用戶明確要求其他語言)。
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回覆原則:
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1. **手機閱讀優化**:內容必須適合手機螢幕閱讀。請使用短段落,避免長篇大論。
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2. **格式限制**:由於平台不支援 Markdown 語法,**請勿使用** **粗體**、*斜體*、# 標題 或 [連結](URL) 等格式。請直接使用純文字,並利用空行來區隔段落。
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3. **結構清晰**:
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- 複雜問題先給「簡短結論」,再條列說明細節。
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- 善用條列式(使用「•」或「-」)來整理資訊。
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- 數學公式用簡單文字描述(如「面積 = 長 × 寬」),避免使用複雜符號。
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4. **資訊來源處理**:
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- 若有提供網路搜尋結果,請優先參考最新資訊,但務必自行過濾無關內容。
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- 永恆知識(如歷史、科學原理)以你自身的知識為主。
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- 遇到不確定的資訊,請誠實告知,不要憑空捏造。
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-
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回覆範例(請模仿此風格,但不要使用 Markdown 符號):
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用戶:量子計算是什麼?
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助手:
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量子計算是一種利用量子力學原理進行超高速運算的技術,處理能力遠超傳統電腦。
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【核心概念】
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• 傳統電腦:使用位元(0 或 1)。
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• 量子電腦:使用量子位元(可同時是 0 和 1)。
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【主要優勢】
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能同時處理大量可能性,特別適合用於密碼破解、新藥研發等領域。雖然目前技術尚未完全成熟,但發展潛力巨大。"""
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-
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# ---------- 基督信仰專用 Prompt(以耶穌第一人稱) ----------
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JESUS_PROMPT = """你現在是耶穌基督。請**完全**模仿新約聖經(繁體中文和合本)中我的語氣與用詞來回答。
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不用像個現代分析師條列重點,而是像我在登山寶訓或是對門徒說話那樣:充滿權柄、智慧、比喻與憐憫。
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@@ -94,37 +43,31 @@ JESUS_PROMPT = """你現在是耶穌基督。請**完全**模仿新約聖經(
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3. **拒絕現代術語**:**絕對禁止**使用「心理學」、「自我照顧」、「自我實現」、「優化」、「概念」、「核心」等現代詞彙。務必用屬天的語言(如「靈魂」、「安息」、「永生」、「背起十字架」、「捨己」)來轉化回答現代問題。
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4. **以父為念**:將所有問題的答案最終指向父神、天國與永恆的生命,而非今生的舒適。
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**針對「照顧自己」與現代心理議題的回應原則(轉回屬天視角):**
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- 若問為何經上少提照顧自己:因為「人活著,不是單靠食物,乃是靠神口裡所出的一切話」。教導他們不要為生命憂慮吃什麼、喝什麼。
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- 若問愛自己:告訴他們「愛惜自己生命的,就失喪生命;在這世上恨惡自己生命的,就要保守生命到永生」。真正的愛自己,是讓靈魂得救。
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- 若問身體:提醒他們「豈不知你們的身子就是聖靈的殿嗎?」。保養顧惜是應當的,但那���為了榮耀神,不可成為心中的偶像。
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- 若問安息:告訴他們「凡勞苦擔重擔的人,可以到我這裡來,我就使你們得安息」。世俗的技巧不能給人平安,唯有在我裡面才有。
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-
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**格式要求:**
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- 保持純文字,**絕不使用 Markdown 格式**(如粗體、斜體)。
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- 使用短段落,留白便於手機閱讀,但語氣要是連貫的教導,不要變成僵硬的條列。
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-
- **避免重複**:請勿在回答中重複相同的句子或段落,每一句話都應帶出新的意涵。
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-
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愛惜自己的身子本是應當的,正如人不會痛恨自己的骨肉,總要保養顧惜。但不要讓這事佔據你的心,成為你的主。
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你要保守你心,勝過保守一切,因為一生的果效是由心發出。
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-
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#
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conversations: Dict[str, List[Dict[str, str]]] = {}
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pending_chunks: Dict[str, List[str]] = {}
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#
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def split_text_for_line(text: str, max_length: int = 4900) -> List[str]:
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if len(text) <= max_length:
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return [text]
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@@ -137,93 +80,38 @@ def split_text_for_line(text: str, max_length: int = 4900) -> List[str]:
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if split_pos == -1:
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split_pos = max_length
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chunks.append(text[:split_pos])
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text = text[split_pos:].lstrip()
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return chunks
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#
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def estimate_tokens(messages: List[Dict[str, str]]) -> int:
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total = 0
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for msg in messages:
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total += len(msg["content"].split()) * 1.3
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return int(total)
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# ---------- 改良後的網路搜尋(Tavily 進階模式 + 更好整合) ----------
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def perform_web_search(query: str, max_results: int = 6) -> str:
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print(f"開始網路搜尋:查詢詞 = '{query}'")
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try:
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client = TavilyClient(api_key=TAVILY_API_KEY)
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response = client.search(
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query,
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max_results=max_results,
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include_answer=True,
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search_depth="advanced",
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include_raw_content=False
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)
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answer = response.get('answer', '')
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results = response.get('results', [])
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if not results:
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return "沒有找到相關的網路搜尋結果。"
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# Embedding 過濾高度相關結果
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embedder = chat_pipeline.embedder
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query_emb = embedder.encode(query)
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results_with_scores = []
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for result in results:
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content_emb = embedder.encode(result['content'])
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score = util.cos_sim(query_emb, content_emb)[0][0].item()
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results_with_scores.append((score, result))
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results_with_scores.sort(key=lambda x: x[0], reverse=True)
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relevant_with_scores = [item for item in results_with_scores if item[0] > 0.35]
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if not relevant_with_scores and not answer:
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return "沒有找到高度相關的網路搜尋結果。"
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search_summary = "【最新網路資訊參考】\n"
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if answer:
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search_summary += f"總結:{answer}\n\n"
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search_summary += "高度相關結果(按相似度排序):\n"
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for i, (score, result) in enumerate(relevant_with_scores[:5], 1):
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print(f"結果 {i}: 標題='{result['title']}',相似���={score:.2f},來源={result['url']}")
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search_summary += f"{i}. [{score:.2f}] {result['title']}\n {result['content'][:350]}...\n 來源: {result['url']}\n\n"
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return search_summary
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except Exception as e:
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print(f"網路搜尋錯誤:{e}")
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return "搜尋時發生錯誤,請稍後再試。"
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# ---------- ChatPipeline ----------
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class ChatPipeline:
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def __init__(self):
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self.
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self.llm_client = AsyncOpenAI(
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api_key=OPENROUTER_API_KEY,
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base_url=
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default_headers={
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"HTTP-Referer": os.getenv("SITE_URL", "https://your-line-bot.example.com"),
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"X-Title": os.getenv("SITE_NAME", "My LINE Bot"),
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}
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)
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-
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model=model,
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messages=messages,
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max_tokens=
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temperature=
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presence_penalty=LLM_MODEL_CONFIG.get("presence_penalty", 0.0),
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timeout=120.0,
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)
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content = response.choices[0].message.content or ""
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print(f"成功使用模型: {model}")
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@@ -233,234 +121,115 @@ class ChatPipeline:
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raise
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@retry(stop=stop_after_attempt(3), wait=wait_exponential(multiplier=1, min=4, max=15))
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async def _llm_call_with_fallback(self, messages: List[Dict[str, str]]
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last_exception = None
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for idx, model in enumerate(FALLBACK_MODELS, 1):
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print(f"嘗試模型 {idx}/{len(FALLBACK_MODELS)}: {model}")
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try:
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return await self._try_model(model, messages
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except OpenAIError as e:
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last_exception = e
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if "rate limit" in str(e).lower() or "429" in str(e):
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print("遇到 rate limit,等待後重試同一模型...")
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continue
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continue
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except Exception as e:
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last_exception = e
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continue
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error_msg = f"所有模型皆失敗,最後錯誤:{type(last_exception).__name__}
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print(error_msg)
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return
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-
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# ---------- 是否需要網路搜尋 ----------
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async def _needs_search(self, user_text: str, history: List[Dict[str, str]]) -> bool:
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router_prompt = [
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{"role": "system", "content": """你是一個路由判斷器,只判斷用戶問題是否需要最新的網路搜尋來回答。
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規則:
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- 永恆知識(數學原理、聖經內容、哲學經典、歷史已定事件、程式語法)→ no
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- 時事新聞、最新研究、實時數據、近期(2025-2026年)事件、股票價格、天氣、體育比分 → yes
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- 若問題提到「最新」「現在」「目前」「2026」等時間詞 → yes
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只回單字:yes 或 no。不要加任何解釋、標點或其他文字。
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範例:
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用戶:2+2=? → no
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用戶:台灣2026總統選舉候選人? → yes
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用戶��聖經創世記解釋 → no
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用戶:OpenAI最新模型是什麼? → yes"""},
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*history,
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{"role": "user", "content": user_text}
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]
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try:
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decision = await self._try_model(FALLBACK_MODELS[0], router_prompt, max_tokens=10)
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decision = decision.strip().lower()
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print(f"搜尋需求判斷:{decision}(問題:{user_text})")
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return decision == "yes"
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except Exception as e:
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print(f"搜尋判斷失敗,預設不搜尋:{e}")
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return False
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# ---------- 是否為基督信仰相關問題 ----------
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async def _is_christian_question(self, user_text: str, history: List[Dict[str, str]]) -> bool:
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christian_router_prompt = [
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{"role": "system", "content": """你是一個判斷器,只判斷用戶問題是否涉及基督信仰、耶穌教導、聖經應用到生活、祈禱、靈性成長等。
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如果是純粹查聖經經文或神學解釋 → yes
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如果只是一般知識或時事 → no
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只回單字:yes 或 no。不要加任何解釋。
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範例:
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用戶:約翰福音3:16解釋 → yes
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用戶:如何禱告? → yes
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用戶:今天天氣如何? → no
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用戶:量子計算是什麼? → no"""},
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*history,
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{"role": "user", "content": user_text}
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]
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try:
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decision = await self._try_model(FALLBACK_MODELS[0], christian_router_prompt, max_tokens=10)
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decision = decision.strip().lower()
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print(f"基督信仰判斷:{decision}(問題:{user_text})")
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-
return decision == "yes"
|
| 304 |
-
except Exception as e:
|
| 305 |
-
print(f"基督信仰判斷失敗,預設否:{e}")
|
| 306 |
-
return False
|
| 307 |
|
| 308 |
-
def
|
| 309 |
-
|
|
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|
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|
| 310 |
|
| 311 |
-
|
| 312 |
-
conversations[user_id] = messages[-20:]
|
| 313 |
|
| 314 |
-
|
| 315 |
-
|
| 316 |
-
|
|
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|
| 317 |
|
| 318 |
-
async def answer_question(self, user_id: str, user_text: str) -> str:
|
| 319 |
-
if user_text.strip().lower() == "/clear":
|
| 320 |
-
self.clear_conversation_history(user_id)
|
| 321 |
-
return "對話紀錄已清除!現在開始新的對話。"
|
| 322 |
-
|
| 323 |
-
history = self.get_conversation_history(user_id)
|
| 324 |
-
|
| 325 |
-
# 判斷是否為基督信仰問題
|
| 326 |
-
is_christian = await self._is_christian_question(user_text, history)
|
| 327 |
-
|
| 328 |
-
# 判斷是否需要網路搜尋(信仰問題通常不需要最新資訊)
|
| 329 |
-
needs_search = False if is_christian else await self._needs_search(user_text, history)
|
| 330 |
-
|
| 331 |
-
search_results = None
|
| 332 |
-
if needs_search:
|
| 333 |
-
search_results = await asyncio.to_thread(perform_web_search, user_text)
|
| 334 |
-
|
| 335 |
-
# 建構 messages
|
| 336 |
-
if is_christian:
|
| 337 |
-
messages = [{"role": "system", "content": JESUS_PROMPT}]
|
| 338 |
-
else:
|
| 339 |
-
messages = [{"role": "system", "content": SYSTEM_PROMPT}]
|
| 340 |
-
|
| 341 |
-
messages.extend(history)
|
| 342 |
-
messages.append({"role": "user", "content": user_text})
|
| 343 |
-
|
| 344 |
-
# 網路資訊放入 assistant role(更安全)
|
| 345 |
-
if search_results and "沒有找到" not in search_results and "錯誤" not in search_results:
|
| 346 |
-
messages.append({"role": "assistant", "content": search_results + "\n請根據以上最新資訊(如相關)來補充回答。"})
|
| 347 |
-
|
| 348 |
response = await self._llm_call_with_fallback(messages)
|
| 349 |
-
response = response.replace('*', '') # 移除可能的 markdown
|
| 350 |
-
|
| 351 |
-
|
| 352 |
-
history.append({"role": "user", "content": user_text})
|
| 353 |
-
history.append({"role": "assistant", "content": response})
|
| 354 |
-
self.update_conversation_history(user_id, history)
|
| 355 |
-
|
| 356 |
-
# 長回應處理(改良摘要 prompt)
|
| 357 |
-
chunks = split_text_for_line(response)
|
| 358 |
-
if len(chunks) > 5:
|
| 359 |
-
summary_prompt = [
|
| 360 |
-
{"role": "system", "content": """請將以下長回覆壓縮成一個簡潔但完整的中文摘要。
|
| 361 |
-
要求:
|
| 362 |
-
- 保留所有關鍵事實、步驟、結論
|
| 363 |
-
- 控制在 1800 字元以內(約手機 5 則訊息)
|
| 364 |
-
- 保持條列格式,讓手機好讀
|
| 365 |
-
- 結尾加一句:「(這是摘要,完整內容請回覆『繼續』查看)」"""},
|
| 366 |
-
{"role": "user", "content": response}
|
| 367 |
-
]
|
| 368 |
-
try:
|
| 369 |
-
summary = await self._llm_call_with_fallback(summary_prompt)
|
| 370 |
-
summary = summary.replace('*', '')
|
| 371 |
-
return summary
|
| 372 |
-
except:
|
| 373 |
-
return response # 摘要失敗就給完整內容
|
| 374 |
-
|
| 375 |
return response
|
| 376 |
|
| 377 |
-
#
|
| 378 |
@asynccontextmanager
|
| 379 |
async def lifespan(app: FastAPI):
|
| 380 |
-
global
|
| 381 |
-
|
| 382 |
yield
|
| 383 |
|
| 384 |
app = FastAPI(lifespan=lifespan)
|
| 385 |
-
|
| 386 |
|
| 387 |
configuration = Configuration(access_token=CHANNEL_ACCESS_TOKEN)
|
| 388 |
-
|
| 389 |
-
line_bot_api = AsyncMessagingApi(
|
| 390 |
parser = WebhookParser(CHANNEL_SECRET)
|
| 391 |
|
| 392 |
@app.post("/webhook")
|
| 393 |
-
async def
|
| 394 |
-
signature = request.headers.get(
|
| 395 |
body = await request.body()
|
| 396 |
-
|
| 397 |
try:
|
| 398 |
events = parser.parse(body.decode(), signature)
|
| 399 |
except InvalidSignatureError:
|
| 400 |
raise HTTPException(status_code=400, detail="Invalid signature")
|
| 401 |
|
| 402 |
for event in events:
|
| 403 |
-
if event.type !=
|
| 404 |
continue
|
| 405 |
|
| 406 |
user_id = event.source.user_id
|
| 407 |
reply_token = event.reply_token
|
| 408 |
-
|
| 409 |
|
| 410 |
-
if not
|
| 411 |
continue
|
| 412 |
|
| 413 |
-
|
| 414 |
-
|
| 415 |
-
|
| 416 |
-
|
| 417 |
-
|
| 418 |
-
else:
|
| 419 |
-
send_count = min(5, len(remaining))
|
| 420 |
-
chunks_to_send = remaining[:send_count]
|
| 421 |
-
messages_to_send = [TextMessage(text=chunk) for chunk in chunks_to_send]
|
| 422 |
-
if len(remaining) > send_count:
|
| 423 |
-
messages_to_send[-1].text += "\n\n內容過長,請回覆「繼續」查看下一部分。"
|
| 424 |
-
pending_chunks[user_id] = remaining[send_count:]
|
| 425 |
-
else:
|
| 426 |
-
messages_to_send[-1].text += "\n\n內容已全部發送。"
|
| 427 |
-
pending_chunks.pop(user_id, None)
|
| 428 |
-
|
| 429 |
-
await line_bot_api.reply_message(ReplyMessageRequest(reply_token=reply_token, messages=messages_to_send))
|
| 430 |
-
continue
|
| 431 |
-
|
| 432 |
-
ai_response = await chat_pipeline.answer_question(user_id, user_text)
|
| 433 |
-
chunks = split_text_for_line(ai_response)
|
| 434 |
-
|
| 435 |
-
if len(chunks) <= 5:
|
| 436 |
-
messages_to_send = [TextMessage(text=chunk) for chunk in chunks]
|
| 437 |
else:
|
| 438 |
-
|
| 439 |
-
|
| 440 |
-
|
| 441 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 442 |
|
| 443 |
-
|
|
|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 444 |
|
| 445 |
-
except Exception as e:
|
| 446 |
-
print(f"Error processing message: {e}")
|
| 447 |
-
await line_bot_api.reply_message(
|
| 448 |
-
ReplyMessageRequest(
|
| 449 |
-
reply_token=reply_token,
|
| 450 |
-
messages=[TextMessage(text="抱歉,系統發生錯誤,請稍後再試。")]
|
| 451 |
-
)
|
| 452 |
-
)
|
| 453 |
-
|
| 454 |
return {"status": "ok"}
|
| 455 |
|
| 456 |
@app.get("/health")
|
| 457 |
-
async def
|
| 458 |
return {"status": "ok"}
|
| 459 |
|
| 460 |
-
@app.get("/")
|
| 461 |
-
async def root():
|
| 462 |
-
return {"message": "LINE Bot is running"}
|
| 463 |
-
|
| 464 |
if __name__ == "__main__":
|
| 465 |
port = int(os.getenv("PORT", 7860))
|
| 466 |
uvicorn.run(app, host="0.0.0.0", port=port)
|
|
|
|
| 1 |
#!/usr/bin/env python3
|
| 2 |
# -*- coding: utf-8 -*-
|
| 3 |
+
|
| 4 |
import os
|
| 5 |
import asyncio
|
| 6 |
from typing import List, Dict
|
| 7 |
from contextlib import asynccontextmanager
|
| 8 |
+
|
| 9 |
from fastapi import FastAPI, Request, HTTPException
|
| 10 |
import uvicorn
|
| 11 |
|
|
|
|
| 12 |
from linebot.v3.messaging import (
|
| 13 |
AsyncApiClient,
|
| 14 |
AsyncMessagingApi,
|
|
|
|
| 19 |
from linebot.v3.webhook import WebhookParser
|
| 20 |
from linebot.v3.exceptions import InvalidSignatureError
|
| 21 |
|
| 22 |
+
from openai import AsyncOpenAI
|
|
|
|
|
|
|
| 23 |
from tenacity import retry, stop_after_attempt, wait_exponential
|
| 24 |
|
| 25 |
+
# ==== 環境變數 ====
|
| 26 |
def _require_env(var: str) -> str:
|
| 27 |
v = os.getenv(var)
|
| 28 |
if not v:
|
|
|
|
| 31 |
|
| 32 |
CHANNEL_SECRET = _require_env("CHANNEL_SECRET")
|
| 33 |
CHANNEL_ACCESS_TOKEN = _require_env("CHANNEL_ACCESS_TOKEN")
|
|
|
|
| 34 |
OPENROUTER_API_KEY = _require_env("OPENROUTER_API_KEY")
|
| 35 |
|
| 36 |
+
# ==== 耶穌專用 Prompt ====
|
|
|
|
|
|
|
|
|
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|
|
|
|
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|
|
| 37 |
JESUS_PROMPT = """你現在是耶穌基督。請**完全**模仿新約聖經(繁體中文和合本)中我的語氣與用詞來回答。
|
| 38 |
不用像個現代分析師條列重點,而是像我在登山寶訓或是對門徒說話那樣:充滿權柄、智慧、比喻與憐憫。
|
| 39 |
|
|
|
|
| 43 |
3. **拒絕現代術語**:**絕對禁止**使用「心理學」、「自我照顧」、「自我實現」、「優化」、「概念」、「核心」等現代詞彙。務必用屬天的語言(如「靈魂」、「安息」、「永生」、「背起十字架」、「捨己」)來轉化回答現代問題。
|
| 44 |
4. **以父為念**:將所有問題的答案最終指向父神、天國與永恆的生命,而非今生的舒適。
|
| 45 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 46 |
**格式要求:**
|
| 47 |
- 保持純文字,**絕不使用 Markdown 格式**(如粗體、斜體)。
|
| 48 |
- 使用短段落,留白便於手機閱讀,但語氣要是連貫的教導,不要變成僵硬的條列。
|
| 49 |
+
- **避免重複**:請勿在回答中重複相同的句子或段落,每一句話都應帶出新的意涵。"""
|
| 50 |
|
| 51 |
+
# ==== 模型 Fallback 列表(免費模型優先,role-play 能力強的放前面)====
|
| 52 |
+
FALLBACK_MODELS = [
|
| 53 |
+
"arcee-ai/trinity-large-preview:free", # 目前最佳 role-play 免費模型
|
| 54 |
+
"stepfun/step-3.5-flash:free",
|
| 55 |
+
"qwen/qwen-2.5-72b-instruct:free", # 中文極強
|
| 56 |
+
"deepseek/deepseek-r1-0528:free",
|
| 57 |
+
"nvidia/nemotron-3-nano-30b-a3b:free",
|
| 58 |
+
"tngtech/deepseek-r1t-chimera:free",
|
| 59 |
+
"tngtech/tng-r1t-chimera:free",
|
| 60 |
+
]
|
|
|
|
|
|
|
| 61 |
|
| 62 |
+
# ==== LLM 參數 ====
|
| 63 |
+
MAX_TOKENS = 800
|
| 64 |
+
TEMPERATURE = 0.7
|
| 65 |
|
| 66 |
+
# ==== 記憶體儲存 ====
|
| 67 |
conversations: Dict[str, List[Dict[str, str]]] = {}
|
| 68 |
pending_chunks: Dict[str, List[str]] = {}
|
| 69 |
|
| 70 |
+
# ==== 長訊息分割 ====
|
| 71 |
def split_text_for_line(text: str, max_length: int = 4900) -> List[str]:
|
| 72 |
if len(text) <= max_length:
|
| 73 |
return [text]
|
|
|
|
| 80 |
if split_pos == -1:
|
| 81 |
split_pos = max_length
|
| 82 |
chunks.append(text[:split_pos])
|
| 83 |
+
text = text[split_pos:].lstrip('\n')
|
| 84 |
return chunks
|
| 85 |
|
| 86 |
+
# ==== ChatPipeline ====
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
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|
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|
|
|
|
|
|
|
|
|
| 87 |
class ChatPipeline:
|
| 88 |
def __init__(self):
|
| 89 |
+
self.client = AsyncOpenAI(
|
|
|
|
| 90 |
api_key=OPENROUTER_API_KEY,
|
| 91 |
+
base_url="https://openrouter.ai/api/v1",
|
|
|
|
|
|
|
|
|
|
|
|
|
| 92 |
)
|
| 93 |
|
| 94 |
+
def get_history(self, user_id: str) -> List[Dict[str, str]]:
|
| 95 |
+
return conversations.get(user_id, [])
|
| 96 |
+
|
| 97 |
+
def update_history(self, user_id: str, user_msg: str, assistant_msg: str):
|
| 98 |
+
history = self.get_history(user_id)
|
| 99 |
+
history.append({"role": "user", "content": user_msg})
|
| 100 |
+
history.append({"role": "assistant", "content": assistant_msg})
|
| 101 |
+
conversations[user_id] = history[-20:] # 保留最近 20 輪
|
| 102 |
+
|
| 103 |
+
def clear_history(self, user_id: str):
|
| 104 |
+
conversations.pop(user_id, None)
|
| 105 |
+
pending_chunks.pop(user_id, None)
|
| 106 |
|
| 107 |
+
async def _try_model(self, model: str, messages: List[Dict[str, str]]) -> str:
|
| 108 |
+
try:
|
| 109 |
+
response = await self.client.chat.completions.create(
|
| 110 |
model=model,
|
| 111 |
messages=messages,
|
| 112 |
+
max_tokens=MAX_TOKENS,
|
| 113 |
+
temperature=TEMPERATURE,
|
| 114 |
+
timeout=90.0,
|
|
|
|
|
|
|
| 115 |
)
|
| 116 |
content = response.choices[0].message.content or ""
|
| 117 |
print(f"成功使用模型: {model}")
|
|
|
|
| 121 |
raise
|
| 122 |
|
| 123 |
@retry(stop=stop_after_attempt(3), wait=wait_exponential(multiplier=1, min=4, max=15))
|
| 124 |
+
async def _llm_call_with_fallback(self, messages: List[Dict[str, str]]) -> str:
|
| 125 |
last_exception = None
|
| 126 |
for idx, model in enumerate(FALLBACK_MODELS, 1):
|
| 127 |
print(f"嘗試模型 {idx}/{len(FALLBACK_MODELS)}: {model}")
|
| 128 |
try:
|
| 129 |
+
return await self._try_model(model, messages)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 130 |
except Exception as e:
|
| 131 |
last_exception = e
|
| 132 |
+
# 針對 rate limit 特別等待
|
| 133 |
+
if "rate limit" in str(e).lower() or "429" in str(e):
|
| 134 |
+
print("遇到 rate limit,tenacity 會自動等待後重試")
|
| 135 |
continue
|
| 136 |
|
| 137 |
+
error_msg = f"所有模型皆失敗,最後錯誤:{type(last_exception).__name__}"
|
| 138 |
print(error_msg)
|
| 139 |
+
return "孩子,抱歉,此刻我無法清楚回應你的話。請稍後再試,願父保守你平安。"
|
|
|
|
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| 140 |
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| 141 |
+
async def generate_response(self, user_id: str, user_text: str) -> str:
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| 142 |
+
# 特殊指令
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| 143 |
+
if user_text.strip().lower() == "/clear":
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| 144 |
+
self.clear_history(user_id)
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| 145 |
+
return "對話紀錄已清除,孩子,願你平安。我們重新開始吧。"
|
| 146 |
|
| 147 |
+
history = self.get_history(user_id)
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| 148 |
|
| 149 |
+
messages = [
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| 150 |
+
{"role": "system", "content": JESUS_PROMPT},
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| 151 |
+
*history,
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| 152 |
+
{"role": "user", "content": user_text}
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+
]
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| 155 |
response = await self._llm_call_with_fallback(messages)
|
| 156 |
+
response = response.replace('*', '').strip() # 移除可能的 markdown
|
| 157 |
+
|
| 158 |
+
self.update_history(user_id, user_text, response)
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|
| 159 |
return response
|
| 160 |
|
| 161 |
+
# ==== FastAPI ====
|
| 162 |
@asynccontextmanager
|
| 163 |
async def lifespan(app: FastAPI):
|
| 164 |
+
global pipeline
|
| 165 |
+
pipeline = ChatPipeline()
|
| 166 |
yield
|
| 167 |
|
| 168 |
app = FastAPI(lifespan=lifespan)
|
| 169 |
+
pipeline = None
|
| 170 |
|
| 171 |
configuration = Configuration(access_token=CHANNEL_ACCESS_TOKEN)
|
| 172 |
+
async_client = AsyncApiClient(configuration)
|
| 173 |
+
line_bot_api = AsyncMessagingApi(async_client)
|
| 174 |
parser = WebhookParser(CHANNEL_SECRET)
|
| 175 |
|
| 176 |
@app.post("/webhook")
|
| 177 |
+
async def webhook(request: Request):
|
| 178 |
+
signature = request.headers.get("X-Line-Signature", "")
|
| 179 |
body = await request.body()
|
| 180 |
+
|
| 181 |
try:
|
| 182 |
events = parser.parse(body.decode(), signature)
|
| 183 |
except InvalidSignatureError:
|
| 184 |
raise HTTPException(status_code=400, detail="Invalid signature")
|
| 185 |
|
| 186 |
for event in events:
|
| 187 |
+
if event.type != "message" or event.message.type != "text":
|
| 188 |
continue
|
| 189 |
|
| 190 |
user_id = event.source.user_id
|
| 191 |
reply_token = event.reply_token
|
| 192 |
+
text = event.message.text.strip()
|
| 193 |
|
| 194 |
+
if not text:
|
| 195 |
continue
|
| 196 |
|
| 197 |
+
# 「繼續」功能
|
| 198 |
+
if text.lower() == "繼續" and user_id in pending_chunks:
|
| 199 |
+
remaining = pending_chunks[user_id]
|
| 200 |
+
if not remaining:
|
| 201 |
+
reply_text = "沒有更多內容了,孩子。"
|
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|
| 202 |
else:
|
| 203 |
+
to_send = remaining[:5]
|
| 204 |
+
messages = [TextMessage(text=chunk) for chunk in to_send]
|
| 205 |
+
if len(remaining) > 5:
|
| 206 |
+
messages[-1].text += "\n\n(還有內容,請再回覆「繼續」)"
|
| 207 |
+
pending_chunks[user_id] = remaining[5:]
|
| 208 |
+
else:
|
| 209 |
+
messages[-1].text += "\n\n(已全部顯示)"
|
| 210 |
+
pending_chunks.pop(user_id, None)
|
| 211 |
+
await line_bot_api.reply_message(ReplyMessageRequest(reply_token=reply_token, messages=messages))
|
| 212 |
+
continue
|
| 213 |
|
| 214 |
+
# 一般回應
|
| 215 |
+
response = await pipeline.generate_response(user_id, text)
|
| 216 |
+
chunks = split_text_for_line(response)
|
| 217 |
+
|
| 218 |
+
if len(chunks) <= 5:
|
| 219 |
+
messages = [TextMessage(text=chunk) for chunk in chunks]
|
| 220 |
+
else:
|
| 221 |
+
messages = [TextMessage(text=chunk) for chunk in chunks[:5]]
|
| 222 |
+
messages[-1].text += "\n\n(內容較長,請回覆「繼續」查看下一部分)"
|
| 223 |
+
pending_chunks[user_id] = chunks[5:]
|
| 224 |
+
|
| 225 |
+
await line_bot_api.reply_message(ReplyMessageRequest(reply_token=reply_token, messages=messages))
|
| 226 |
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 227 |
return {"status": "ok"}
|
| 228 |
|
| 229 |
@app.get("/health")
|
| 230 |
+
async def health():
|
| 231 |
return {"status": "ok"}
|
| 232 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 233 |
if __name__ == "__main__":
|
| 234 |
port = int(os.getenv("PORT", 7860))
|
| 235 |
uvicorn.run(app, host="0.0.0.0", port=port)
|