knowledge/3_handle.py

import os
import json
import time
import sys
import argparse
from typing import Dict, Any, List, Optional, Tuple

# 导入自定义模块
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from utils.mysql_db import MysqlHelper
from gemini import GeminiProcessor
from utils.file import File


class Handler:
    def __init__(self):
        # 初始化处理器
        self.processor = GeminiProcessor()
        self.system_prompt = File.read_file('prompt/handle.md')
    
    def build_query_conditions(self, query_word: Optional[str], 
                             source_type: Optional[str], 
                             source_channel: Optional[str]) -> Tuple[str, Tuple]:
        """构建查询条件和参数"""
        conditions = ["formatted_content is not null", "multimodal_recognition is null"]
        params = []
        
        if query_word is not None:
            conditions.append("query_word = %s")
            params.append(query_word)
        if source_type is not None:
            conditions.append("source_type = %s")
            params.append(source_type)
        if source_channel is not None:
            conditions.append("source_channel = %s")
            params.append(source_channel)
            
        where_clause = " AND ".join(conditions)
        return where_clause, tuple(params)
    
    def process_all_records(self, query_word: Optional[str], 
                           source_type: Optional[str], 
                           source_channel: Optional[str]):
        """处理所有记录"""
        total_processed = 0
        total_success = 0
        
        try:
            # 构建查询条件和参数
            where_clause, params = self.build_query_conditions(query_word, source_type, source_channel)
            sql = f"""
                SELECT id, formatted_content 
                FROM knowledge_search_content 
                WHERE {where_clause}
            """
            
            # 查询记录
            records = MysqlHelper.get_values(sql, params)
            print(f"获取到 {len(records)} 条记录")
            
            # 处理每条记录
            for row in records:
                total_processed += 1
                try:
                    # 处理内容
                    result = self.processor.process(row[1], self.system_prompt)
                    
                    # 更新数据库
                    update_sql = """
                        UPDATE knowledge_search_content 
                        SET multimodal_recognition = %s 
                        WHERE id = %s
                    """
                    MysqlHelper.update_values(update_sql, (result, row[0]))
                    
                    # 添加延迟避免API限制
                    time.sleep(1)
                    total_success += 1
                    
                except Exception as e:
                    print(f"处理记录 {row[0]} 失败: {str(e)}")
                    
        except Exception as e:
            print(f"处理过程中发生错误: {str(e)}")
        finally:
            print(f"处理完成！总共处理 {total_processed} 条记录，成功 {total_success} 条")


def main():
    """主函数"""
    parser = argparse.ArgumentParser(description='内容识别脚本')
    parser.add_argument('--query_word', default=None, help='query词')
    parser.add_argument('--source_type', default=None, help='数据源类型')
    parser.add_argument('--source_channel', default=None, help='数据源渠道')
    
    args = parser.parse_args()
    
    try:
        handler = Handler()
        handler.process_all_records(
            query_word=args.query_word, 
            source_type=args.source_type, 
            source_channel=args.source_channel
        )
    except Exception as e:
        print(f"程序执行失败: {str(e)}")
        sys.exit(1)


if __name__ == "__main__":
    main()