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"""
示例处理器模块
提供简单的示例方法供节点执行函数调用
"""
from datetime import datetime
def demo_handler ( * args , * * kwargs ) - > dict :
"""
示例处理器（演示节点调用形态）。
返回:
- dict: 包含 message、入参快照与时间戳。
"""
return {
" message " : " Hello from demo_handler! " ,
" args " : args ,
" kwargs " : kwargs ,
" time " : datetime . now ( ) . isoformat ( ) ,
}
def process_data ( data : list , operation : str = " sum " ) - > dict :
"""
简单数值列表聚合。
参数:
- data (list): 数值列表。
- operation (str): sum、avg、max、min、count 之一。
返回:
- dict: 含 operation 与 result，
"""
if not data :
return { " error " : " 数据为空 " }
if operation == " sum " :
result = sum ( data )
elif operation == " avg " :
result = sum ( data ) / len ( data )
elif operation == " max " :
result = max ( data )
elif operation == " min " :
result = min ( data )
elif operation == " count " :
result = len ( data )
else :
return { " error " : f " 不支持的操作: { operation } " }
return { " operation " : operation , " result " : result }