Alexa Flask问是/否回应处理 [英] Alexa Flask Ask Yes / No response handling

问题描述

我正在尝试使用python中的Flask Ask创建一个简单的Alexa技能。

I am trying to create a simple Alexa skill using Flask Ask in python.

我有一个名为 SearchIntent的意图，该意图带有搜索项插槽，而python代码如下所示：

I have an intent called "SearchIntent" with a "searchterm" slot and the python code looks something like this:

@ask.intent("SearchIntent")
def SearchIntent(searchterm):
    resList = []
    searchterm = searchterm.lower()

    for item in somelist:
        if item.find(searchterm) != -1:
            resList.append(item)


    return question("I Found " + str(len(resList)) + ", Do you want me to list them all?")

我想检查用户是否回答，如果他说是，则要阅读所有结果：

I want to check if the response from the user, if he says "Yes" than read all the results:

return statement('\n'.join(resList))

，如果用户拒绝，则执行其他操作

and if the user says no, to perform some other action

类似以下内容：

...

    return question("I Found " + str(len(resList)) + ", Do you want me to list them all?")

if "return question" == "yes":
   do something
else:
   do something else

我不想在YesIntent中再次创建搜索功能，是否可以在同一函数中执行类似的操作？

I don't want to create the search function again in a YesIntent, Is it possible to do something like this within the same function?

谢谢

推荐答案

这不能通过建议的方式使用flask ask来实现。调用 return 后，您将离开SearchIntent（）函数，而无法检查答案或运行其他代码。

但是，您仍然可以使其起作用：在用户回答您的问题后，将发送新的意图，然后flask-ask调用相应的函数。通过使用@ user3872094建议的会话属性，您可以在此新函数中处理您的 searchterm 。会话属性用于在不同意图请求之间的会话期间保留用户输入。

请检查以下最小示例：

This is not possible in the suggested way using flask ask. After you call return, you leave your SearchIntent() function and have no way to check the answer or run additional code.
However, you can still make it work: after the user answers your question a new intent is sent and flask-ask calls the according function. By using session attributes, as suggested by @user3872094, you can process your searchterm in this new function. Session attributes are used to preserve user input during a session between different intent requests.
Check this minimal example:

@ask.intent("SearchIntent")
def SearchIntent(searchterm):
    session.attributes['term'] = searchterm
    return question("I understood {}. Is that correct?".format(searchterm))

@ask.intent('AMAZON.YesIntent')
def yes_intent():
    term = session.attributes['term'] 
    return statement("Ok. So your word really was {}.".format(term))

@ask.intent('AMAZON.NoIntent')
def no_intent():    
    return statement("I am sorry I got it wrong.")

将Amazon Yes and No intent添加到您的intent_schema中：

Add the Amazon Yes and No intents to your intent_schema:

{
    "intents": [
        {
        "intent": "SearchIntent",
        "slots": [{
            "name": "searchterm",
            "type": "AMAZON.LITERAL"
        }]
        },{
            "intent": "AMAZON.NoIntent"
        }, {
            "intent": "AMAZON.YesIntent"
        }      
    ]
}

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