chore: 清理未使用的代码文件和备份

- 删除 backend/main.py (已由 app/main.py 替代)
- 删除 backend/api/ 和 backend/core/ (已由 app/api/ 和 app/core/ 替代)
- 删除 backend/static 符号链接
- 删除前端测试/调试页面
- 删除未引用的 vendor 子目录 (element-plus/, vue/, axios/)
- 删除所有 .bak 备份文件
This commit is contained in:
lt
2026-05-09 19:43:49 +08:00
parent 71cb4c35a8
commit 25694db33b
28 changed files with 0 additions and 82730 deletions
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"""
NVIDIA 专用 LLM 客户端(fixed configuration
使用 OpenAI 兼容接口调用 stepfun-ai/step-3.5-flash
"""
import requests
import json
from typing import Optional
class LLMError(Exception):
pass
# 固定配置(你的可用 key
CONFIG = {
"base_url": "https://integrate.api.nvidia.com/v1",
"api_key": "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",
"model": "stepfun-ai/step-3.5-flash",
}
def call_llm(
prompt: str,
system_prompt: str = "你是一个专业的内容创作助手。",
temperature: float = 0.7,
max_tokens: int = 2000,
stream: bool = False,
) -> str:
"""
调用 NVIDIA LLM 生成文本
"""
endpoint = f"{CONFIG['base_url'].rstrip('/')}/chat/completions"
headers = {
"Authorization": f"Bearer {CONFIG['api_key']}",
"Content-Type": "application/json"
}
payload = {
"model": CONFIG["model"],
"messages": [
{"role": "system", "content": system_prompt},
{"role": "user", "content": prompt}
],
"temperature": temperature,
"max_tokens": max_tokens,
"stream": stream,
}
try:
resp = requests.post(endpoint, json=payload, headers=headers, timeout=120, stream=stream)
if resp.status_code != 200:
raise LLMError(f"HTTP {resp.status_code}: {resp.text[:200]}")
if stream:
full = []
for line in resp.iter_lines():
if not line:
continue
if line.startswith(b'data: '):
data = line[6:]
if data == b'[DONE]':
break
try:
chunk = json.loads(data)
delta = chunk['choices'][0]['delta']
# 支持 reasoning_content 或 reasoning 字段
if 'reasoning_content' in delta and delta['reasoning_content']:
full.append(delta['reasoning_content'])
if 'content' in delta and delta['content']:
full.append(delta['content'])
except Exception:
continue
return "".join(full)
else:
data = resp.json()
msg = data["choices"][0]["message"]
content = msg.get('content') or msg.get('reasoning') or msg.get('reasoning_content')
return content.strip() if content else ''
except requests.RequestException as e:
raise LLMError(f"Request failed: {e}")
def expand_content_with_llm(topic: dict, section_title: str, section_content: str, context: str = "") -> str:
"""扩写大纲章节,返回包含 ## 标题的完整 Markdown"""
prompt = f"""你是一个专业的内容创作者。请将以下大纲扩展为完整的文章章节。
# 选题信息
- 标题:{topic.get('title')}
- 领域:{topic.get('field')}
- 核心观点:{topic.get('core_concept', '')}
- 受众痛点:{topic.get('audience_pain', '')}
- 独特视角:{topic.get('unique_angle', '')}
# 当前章节
## {section_title}
{section_content}
# 要求
- 以 `## {section_title}` 作为章节标题开头
- 字数:300-500字
- 风格:客观、专业、易懂
- 使用 Markdown 格式
- 包含具体数据或案例(如果有)
- 保持与整体文章调性一致
直接输出完整的 Markdown 章节(包括 ## 标题和正文段落)。"""
if context:
prompt = f"# 参考资料\n{context}\n\n{prompt}"
try:
result = call_llm(prompt, temperature=0.8, max_tokens=2000)
return result.strip()
except Exception as e:
return f"## {section_title}\n\nLLM 调用失败:{e},请手动补充)"
# 测试
if __name__ == "__main__":
try:
print(f"[nvidia_client] 使用模型: {CONFIG['model']}")
resp = call_llm("你好,请用一句话介绍你自己。", max_tokens=50)
print(f"[nvidia_client] 响应: {resp}")
except Exception as e:
print(f"[nvidia_client] 错误: {e}")