3.参考的文档是：https://developers.weixin.qq.com/doc/offiaccount/Getting_Started/Getting_Started_Guide.html#_1-4-%E5%BC%80%E5%8F%91%E8%80%85%E5%9F%BA%E6%9C%AC%E9%85%8D%E7%BD%AE

问题原因：

官方文档（上面的参考文档）python代码有问题

解决：

另一份官方文档的说明是正确的，文档地址：https://developers.weixin.qq.com/miniprogram/dev/framework/server-ability/message-push.html

本人测试可行的代码如下：

# -*- coding: utf-8 -*-                                                                                   
# filename: handle.py                                                                                     
                                                                                                          
import hashlib                                                                                            
import web                                                                                                
                                                                                                          
class Handle(object):                                                                                     
    def GET(self):                                                                                        
        try:                                                                                              
            data = web.input()                                                                            
            if len(data) == 0:                                                                            
                return "hello, this is handle view(v8)"                                                   
            signature = data.signature                                                                    
            timestamp = data.timestamp                                                                    
            nonce = data.nonce                                                                            
            echostr = data.echostr                                                                        
            token = "fkonsdrtmxckzoe15cyiibnwy2l6hduh"                                                    
                                                                                                          
            list = [token, timestamp, nonce]                                                              
            list.sort()                                                                                   
            sorted_str = ''.join(list)                                                                    
            hash_obj = hashlib.sha1(sorted_str.encode('utf-8'))                                           
            calc_signature = hash_obj.hexdigest()                                                         
            print("handle/GET func: calc_signature, signature: ", calc_signature, signature)              
            if calc_signature == signature:                                                               
                return echostr                                                                            
            else:                                                                                         
                return ""                                                                                 
        except Exception as Argument:                                                                     
            print("Argument:", Argument)                                                                  
            return Argument 

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