在MongoDB中检索项目时在烧瓶中查看错误

from pymongo import MongoClient

# 建立与MongoDB的连接
client = MongoClient('mongodb://localhost:27017/')

from pymongo import MongoClient

# 建立与MongoDB的连接
client = MongoClient('mongodb://localhost:27017/')

# 在烧瓶项目中进行MongoDB操作
try:
    # 进行MongoDB检索操作
    collection = client['database_name']['collection_name']
    result = collection.find({'key': 'value'})
    
    # 处理检索结果
    for item in result:
        # 处理每个检索到的项目
        pass

except Exception as e:
    # 打印或记录错误信息
    print('Error occurred:', str(e))

import logging

# 配置日志输出路径和级别
app.logger.setLevel(logging.ERROR)
handler = logging.FileHandler('error.log')
handler.setLevel(logging.ERROR)
app.logger.addHandler(handler)

try:
    # 进行MongoDB检索操作
    collection = client['database_name']['collection_name']
    result = collection.find({'key': 'value'})
    
    # 处理检索结果
    for item in result:
        # 处理每个检索到的项目
        pass

except Exception as e:
    # 记录错误信息到日志文件
    app.logger.error('Error occurred: ' + str(e))