QingLong/AI/Neo4j/KnowledgeGraph.py

# -*- coding: utf-8 -*-
import time
from typing import Iterator

from openai import OpenAI
from openai.types.chat import ChatCompletionChunk

from Config import API_KEY, MODEL_R1, MODEL_URL  # 确保导入配置


class KnowledgeGraph:
    def __init__(self, shiti_content: str):
        """
        初始化生成器
        """
        self.shiti_content = shiti_content
        self.client = OpenAI(
            api_key=API_KEY,
            base_url=MODEL_URL
        )

    def _generate_stream(self) -> Iterator[ChatCompletionChunk]:
        """流式生成内容"""
        system_prompt = '''回答以下内容:
1. 这道题目有哪些知识点，哪些能力点
2. 生成Neo4j 5.26.2的插入语句'''

        return self.client.chat.completions.create(
            model=MODEL_R1,
            messages=[
                {"role": "system", "content": system_prompt},
                {"role": "user", "content": self.shiti_content}
            ],
            stream=True,
            timeout=300
        )

    def run(self) -> bool:
        """执行生成流程"""
        start_time = time.time()
        spinner = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏']
        content_buffer = []

        try:
            print(f"🚀 开始生成知识点和能力点的总结和插入语句")
            stream = self._generate_stream()

            for idx, chunk in enumerate(stream):
                print(f"\r{spinner[idx % 10]} 生成中（{int(time.time() - start_time)}秒）", end="")

                if chunk.choices and chunk.choices[0].delta.content:
                    content_chunk = chunk.choices[0].delta.content
                    content_buffer.append(content_chunk)

                    if len(content_buffer) == 1:
                        print("\n\n📝 内容生成开始：")
                    print(content_chunk, end="", flush=True)

            if content_buffer:
                print(f"\n\n✅ 生成成功！耗时 {int(time.time() - start_time)}秒")
                return True
            return False

        except Exception as e:
            print(f"\n\n❌ 生成失败：{str(e)}")
            return False


if __name__ == '__main__':
    shiti_content = '''
    下面是一道小学三年级的数学题目，巧求周长：
    把7个完全相同的小长方形拼成如图的样子，已知每个小长方形的长是10厘米，则拼成的大长方形的周长是多少厘米？    
    '''
    kg = KnowledgeGraph(shiti_content)
    kg.run()