python json to object and object to json

python json to object and object to json.py

#https://pynative.com/python-convert-json-data-into-custom-python-object/#:~:text=To%20convert%20JSON%20into%20a,into%20a%20custom%20Python%20type.
#https://www.geeksforgeeks.org/encoding-and-decoding-custom-objects-in-python-json/
import json
from json import JSONEncoder
from collections import namedtuple
class Student:
    def __init__(self, name, roll_no, address):
        self.name = name
        self.roll_no = roll_no
        self.address = address
  
  
class Address:
    def __init__(self, city, street, pin):
        self.city = city
        self.street = street
        self.pin = pin
  
class EncodeStudent(JSONEncoder):
        def default(self, o):
            return o.__dict__


def customStudentDecoder(studentDict):
    return namedtuple('X', studentDict.keys())(*studentDict.values())
    
address = Address("Bulandshahr", "Adarsh Nagar", "203001")
address2 = Address("Bulandshahr", "Adarsh Nagar", "203001")
adlist=[]
adlist.append(address)
adlist.append(address2)
student = Student("Raju", 53, adlist)
  
# Encoding custom object to json
# using cls(class) argument of
# dumps method
student_JSON = json.dumps(student, indent = 4,
                          cls = EncodeStudent)
print(student_JSON)
print(type(student_JSON))
  

print()
#print(student["roll_no"])
print(type(student))

# Parse JSON into an object with attributes corresponding to dict keys.
studObj = json.loads(student_JSON, object_hook=customStudentDecoder)

print("After Converting JSON Data into Custom Python Object")
print(studObj.address)