删除 app.py
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app.py
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app.py
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import os
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from flask import Flask, render_template, request, jsonify
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from dotenv import load_dotenv
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import dashscope
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from dashscope import Generation
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from datetime import datetime
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import json
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load_dotenv()
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dashscope.api_key = os.getenv("DASHSCOPE_API_KEY")
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app = Flask(__name__)
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# --------------------------
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# 配置
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# --------------------------
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SCENE_PROMPTS = {
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"general": "这是通用写作场景,语言自然清晰。",
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"media": "这是自媒体写作,语言有吸引力,适合传播。",
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"script": "这是剧本写作,语言有画面感和情绪张力。",
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"essay": "这是学生作文写作,结构清晰、表达规范。",
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"academic_scene": "这是学术写作,语言严谨、逻辑清楚。"
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}
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POLISH_STYLES = {
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"formal": "正式、书面",
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"literary": "文学性强、有文采",
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"spoken": "口语化、自然",
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"business": "商务、专业",
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"internet": "网络风格、轻松"
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}
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history_records = []
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MAX_HISTORY = 10
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# --------------------------
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# AI 调用
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# --------------------------
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def call_ai(prompt):
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resp = Generation.call(model="qwen-turbo", prompt=prompt)
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if resp.status_code == 200:
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return resp.output.text
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return "❌ AI 调用失败"
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# --------------------------
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# 多版本润色
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# --------------------------
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def multi_version_rewrite(text, style):
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prompt = f"""
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请对以下文本进行润色,生成 3 个不同版本:
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要求:
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1. 保持原意
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2. 风格:{style}
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3. 输出 3 个版本,分别标记 版本1/版本2/版本3
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原文:
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{text}
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"""
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return call_ai(prompt)
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# --------------------------
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# 扩写
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# --------------------------
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def expand_text(text, target_length):
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"""
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扩写文本到指定长度(字数/字符)
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"""
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prompt = f"""
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请将以下文本扩写,保持原意,但丰富细节和表达,使字数达到 {target_length} 字左右。
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可以生成 3 个不同版本,分别标记 版本1/版本2/版本3。
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原文:
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{text}
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"""
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return call_ai(prompt)
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# --------------------------
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# 修改原因生成
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# --------------------------
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def generate_revision_reason(original, revised):
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prompt = f"""
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请对下面两段文本进行对比,说明修改的原因。
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仅输出文字说明,不要高亮或格式化。
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原文:
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{original}
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改写后:
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{revised}
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请详细说明改动原因。
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"""
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return call_ai(prompt)
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# --------------------------
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# 文学参考
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# --------------------------
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def generate_literary_reference(text):
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prompt = f"""
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请理解下面这句话的含义,然后给出 3 条
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“文学作品风格中的相似表达示例”。
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要求:
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1. 不是原文引用
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2. 给出【风格参考作者】和【作品名】
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3. 仅作为文学风格参考
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输出格式:
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1. 句子内容
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—— 风格参考:作者《作品名》
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原句:
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{text}
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"""
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return call_ai(prompt)
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# --------------------------
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# 历史记录
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# --------------------------
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def save_history(data, result):
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history_records.insert(0, {
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"time": datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
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"mode": data.get("mode"),
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"scene": data.get("scene"),
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"input": data.get("text", "")[:100],
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"output": result[:200]
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})
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if len(history_records) > MAX_HISTORY:
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history_records.pop()
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# --------------------------
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# 情感分析
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# --------------------------
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def sentiment_analysis(text):
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prompt = f"""
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请分析下面文本的情感倾向,仅返回严格 JSON 格式:
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{{"positive": %, "neutral": %, "negative": %}}
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文本:
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{text}
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"""
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result = call_ai(prompt)
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try:
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parsed = json.loads(result.replace(":", ":").replace("%",""))
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return parsed
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except:
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return {"positive":0, "neutral":0, "negative":0}
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# --------------------------
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# 路由
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# --------------------------
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@app.route("/")
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def index():
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return render_template("index.html")
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@app.route("/rewrite", methods=["POST"])
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def rewrite():
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data = request.json
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text = data.get("text","")
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mode = data.get("mode")
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scene = data.get("scene","general")
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# 根据模式生成文本
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if mode=="polish":
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style = data.get("style","formal")
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result = multi_version_rewrite(text, style)
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elif mode=="expand":
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target_length = data.get("target_length", 300)
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result = expand_text(text, target_length)
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else:
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result = f"普通生成模式:{text}" # 保留原功能
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save_history(data, result)
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return jsonify({"result": result})
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@app.route("/literary", methods=["POST"])
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def literary():
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text = request.json.get("text","")
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return jsonify({"reference": generate_literary_reference(text)})
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@app.route("/history")
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def history():
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return jsonify(history_records)
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@app.route("/revision_reason", methods=["POST"])
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def revision_reason():
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data = request.json
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original = data.get("original","")
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revised = data.get("revised","")
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reason = generate_revision_reason(original, revised)
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return jsonify({"reason": reason})
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@app.route("/sentiment", methods=["POST"])
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def sentiment():
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text = request.json.get("text","")
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return jsonify({"result": sentiment_analysis(text)})
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if __name__=="__main__":
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app.run(debug=True)
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