Initial commit: 股吧人气指示器 - PySide6桌面悬浮工具

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"""
大模型分析模块 - 调用LLM API分析评论情感
"""
import json
import time
import re
from typing import Dict, Optional, Tuple
from openai import OpenAI, OpenAIError
class LLMAnalyzer:
"""大模型情感分析器"""
SYSTEM_PROMPT = """你是一个专业的情感分析助手。你的任务是分析股吧/论坛评论的情感倾向,判断投资者对该股票的态度。
评分规则:
- 0-30: 极度悲观/看空(利空、暴跌、绝望等情绪)
- 31-50: 偏悲观/中性(担忧、谨慎、观望等情绪)
- 51-70: 偏乐观/中性(看好、希望、期待等情绪)
- 71-100: 极度乐观/看涨(利好、暴涨、兴奋等情绪)
请直接输出一个JSON格式的结果包含两个字段
- score: 0-100的整数评分
- label: 简短的态度描述(如"强烈看跌""谨慎观望""温和看涨""强烈看涨"等)
注意:
1. 只返回JSON不要有其他文字
2. 如果无法判断返回50和"无法判断"
3. 分析要客观,不要被表面文字迷惑
"""
def __init__(self, config: Dict):
self.config = config
self.base_url = config.get('base_url', 'https://api.openai.com/v1')
self.api_key = config.get('api_key', '')
self.model = config.get('model', 'gpt-3.5-turbo')
self.timeout = config.get('timeout', 30)
self.retry_times = config.get('retry_times', 3)
self.client = None
if self.api_key:
self._init_client()
def _init_client(self):
"""初始化OpenAI客户端"""
try:
self.client = OpenAI(
api_key=self.api_key,
base_url=self.base_url,
timeout=self.timeout
)
except Exception as e:
print(f"初始化LLM客户端失败: {e}")
def update_config(self, config: Dict):
"""更新配置"""
self.config.update(config)
self.base_url = config.get('base_url', self.base_url)
self.api_key = config.get('api_key', self.api_key)
self.model = config.get('model', self.model)
self.timeout = config.get('timeout', self.timeout)
self.retry_times = config.get('retry_times', self.retry_times)
if self.api_key:
self._init_client()
def analyze(self, comment: str) -> Tuple[Optional[int], Optional[str]]:
"""
分析单条评论
返回 (score, label)
"""
if not self.client:
return None, "LLM未配置"
if not comment or not comment.strip():
return None, "评论为空"
for attempt in range(self.retry_times):
try:
response = self.client.chat.completions.create(
model=self.model,
messages=[
{"role": "system", "content": self.SYSTEM_PROMPT},
{"role": "user", "content": f"请分析以下评论的情感倾向:\n\n{comment}"}
],
temperature=0.3,
max_tokens=200
)
result_text = response.choices[0].message.content.strip()
score, label = self._parse_response(result_text)
if score is not None:
return score, label
except OpenAIError as e:
print(f"API调用失败 (尝试 {attempt + 1}/{self.retry_times}): {e}")
if attempt < self.retry_times - 1:
time.sleep(2 ** attempt) # 指数退避
except Exception as e:
print(f"分析过程出错: {e}")
break
return None, "分析失败"
def _parse_response(self, response: str) -> Tuple[Optional[int], Optional[str]]:
"""解析LLM返回的结果"""
try:
# 尝试直接解析JSON
result = json.loads(response)
score = result.get('score', 50)
label = result.get('label', '无法判断')
# 验证分数范围
score = max(0, min(100, int(score)))
return score, label
except json.JSONDecodeError:
# 尝试从文本中提取
pass
# 尝试从文本中提取数字
numbers = re.findall(r'\b(\d{1,3})\b', response)
if numbers:
score = int(numbers[0])
score = max(0, min(100, score))
# 提取标签
label_match = re.search(r'["']([^"']+)["']', response)
if label_match:
label = label_match.group(1)
else:
label = response.split('\n')[0][:20] if response else '无法判断'
return score, label
return None, "解析失败"
def analyze_batch(self, comments: list, delay: float = 1.0) -> list:
"""
批量分析评论
delay: 每次调用之间的延迟(秒)
"""
results = []
for i, comment in enumerate(comments):
print(f"分析评论 {i + 1}/{len(comments)}...")
score, label = self.analyze(comment)
results.append({
'content': comment,
'score': score,
'label': label
})
if delay > 0 and i < len(comments) - 1:
time.sleep(delay)
return results
def is_configured(self) -> bool:
"""检查是否已配置"""
return bool(self.client and self.api_key)