從python文件訪問json中的嵌套字典

Question

我有一個 intent.json 文件

{"intents": [
    {"tag": "greeting",
     "patterns": ["Hi there", "How are you", "Is anyone there?", "Hello", "Good day"],
     "responses": ["Hello, thanks for asking", "Good to see you again", "Hi there, how can I help?"],
     "context": [""]
    },
    {"tag": "goodbye",
     "patterns": ["Bye", "See you later", "Goodbye", "Nice chatting to you, bye", "Till next time"],
     "responses": ["See you!", "Have a nice day", "Bye! Come back again soon."],
     "context": [""]
    }
    ]
}

我有 python 文件，其中以下函數獲取句子的意圖，輸出如下

classify_local('Hello, good day!')

輸出為

['greeting']

現在我想獲取與標簽問候相對應的響應。 我怎樣才能做到這一點？

Answer 1

這里有很多可能的漏洞，但考慮到預期的輸出，這應該可以找出句子給出的有限 I/O 的意圖類型。

import string

def classify_local(text):
    # Separate out the phrases of the input text
    # "Hello, good day!" --> ['hello', 'good day']
    phrases = [
        s.translate(s.maketrans("", "", string.punctuation)).strip().lower()
        for s in text.split(",")
    ]

    # Find tags where all phrases are in patterns
    return [
        i["tag"]
        for i in intents_json["intents"]
        if all(j in [k.lower() for k in i["patterns"]] for j in phrases)
    ]


classify_local("Hello, good day!")

如果您想要更柔和的匹配，請將返回中的all替換為any ，但這在更廣泛的數據集中不太可能正確。

請記住，當針對較大的數據集解析書面句子時，這一切都會很快崩潰。

Answer 2

你可以使用正則表達式：

import re


my_json = {"intents": [
    {"tag": "greeting",
     "patterns": ["Hi there", "How are you", "Is anyone there?", "Hello", "Good day"],
     "responses": ["Hello, thanks for asking", "Good to see you again", "Hi there, how can I help?"],
     "context": [""]
    },
    {"tag": "goodbye",
     "patterns": ["Bye", "See you later", "Goodbye", "Nice chatting to you, bye", "Till next time"],
     "responses": ["See you!", "Have a nice day", "Bye! Come back again soon."],
     "context": [""]}]}


pattern_tag = {'|'.join(d["patterns"]): d['tag'] for d in my_json["intents"]}

def classify_local(my_strig):
    for p, t in pattern_tag.items():
        if re.search(p, my_strig):
            return t

classify_local('Hello, good day!')

輸出：

'greeting'

從您的 json 文件中讀取：

import json

with open('intent.json') as f:
    my_json = json.load(f)

Answer 3

如果您只想要標簽greeting所有響應中的第一個響應，那么它是，

json_value = {
    "intents": [
        {
            "tag": "greeting",
            "patterns": ["Hi there", "How are you", "Is anyone there?", "Hello", "Good day"],
            "responses": ["Hello, thanks for asking", "Good to see you again", "Hi there, how can I help?"],
            "context": [""]
        },
        {
            "tag": "goodbye",
            "patterns": ["Bye", "See you later", "Goodbye", "Nice chatting to you, bye", "Till next time"],
            "responses": ["See you!", "Have a nice day", "Bye! Come back again soon."],
            "context": [""]
        }
    ]
}


for intent in json_value['intents']:
    if intent['tag'] == 'greeting':
        response = intent['responses'][0]
print(response)