python addict的基本用法示例详解

pip install addict

from addict import Dict
data = Dict()
data.name = "Tom"   # 直接赋值属性
data.age = 21
print(data)         # {'name': 'Tom', 'age': 21}
print(data.name)    # 'Tom'
print(data['name']) # 也可以字典方式访问

from addict import Dict
data = Dict()
data.user.info.name = "Alice"
data.user.info.age = 22
print(data)   # {'user': {'info': {'name': 'Alice', 'age': 22}}}
print(data.user.info.name)  # 'Alice'

data = Dict({'a': 1, 'b': {'c': 2}})
data.b.c          # 2
data['b']['c']    # 2
data.b.c = 3
print(data['b']['c'])  # 3

data.keys()
data.items()
del data.name

del data.user.info.name
# 或者 del data['user']['info']['name']

normal_dict = data.to_dict()

import json
from addict import Dict
d = Dict(user="Anna")
json_str = json.dumps(d)
print(json_str)  # {"user": "Anna"}

# 创建一个嵌套字典
nested_dict = {
    'person': {
        'name': 'Alice',
        'age': 30,
        'address': {
            'city': 'New York',
            'zip': '10001'
        }
    }
}
# 访问字典的键值对，使用传统的字典访问方式
print(nested_dict['person']['name'])  # 输出: Alice
print(nested_dict['person']['age'])   # 输出: 30
print(nested_dict['person']['address']['city'])  # 输出: New York
print(nested_dict['person']['address']['zip'])   # 输出: 10001
# 添加新的键值对
nested_dict['person']['job'] = 'Engineer'
# 输出更新后的字典
print(nested_dict['person']['job'])  # 输出: Engineer

from addict import Dict
	# 创建一个嵌套字典
	nested_dict = {
	    'person': {
	        'name': 'Alice',
	        'age': 30,
	        'address': {
	            'city': 'New York',
	            'zip': '10001'
	        }
	    }
	}
	# 使用 Dict 类创建一个可通过属性访问的字典对象
	addict_dict = Dict(nested_dict)
	# 访问字典的键值对，就像访问对象属性一样
	print(addict_dict.person.name)  # 输出: Alice
	print(addict_dict.person.age)   # 输出: 30
	print(addict_dict.person.address.city)  # 输出: New York
	print(addict_dict.person.address.zip)   # 输出: 10001
	# 添加新的键值对
	addict_dict.person.job = 'Engineer'
	# 输出更新后的字典
	print(addict_dict.person.job)  # 输出: Engineer