Python Material - Part - 27 - json_Module

 __author__ = "Narendra Boyina"
# -----------------------------------------------------------------------------
# Copyright (c) 2025 BR Techno Solutions
# -----------------------------------------------------------------------------
"""
JSON is the full form of JavaScript Object Notation.
Inspired by JavaScript but now independent of any programming language
In JSON, the most frequent functions are 4 (load, loads, dump, dumps)
"""
from Class_27_OOPs_4_Inheritance.OOPS_4_data_abstration import ganesh

"""
Note:1 In Notepad/Notepad++, save the data with the extension .json
. While saving, we can provide any name 
. Save the file, where the source(.py) file you are supposed to write,
I mean in the same directory ""

"""json.load() is used to read the dictionary data from a JSON file """


import json  # it's an internal module
from json import load,dump
from pprint import pprint

# f_o = open("ganesh.txt","w+")
# f_o.write("used to read the dictionary data")
# f_o.close()
# #
# # #
# with open("raahi.txt", "w+") as f_obj:
#     f_obj.write("Notepad/Notepad++ save below data with extension")


with open("hotel_input.json") as data_file:
    data = json.load(data_file)

# print(data)  # {'Narendra': [{'id': 'HM0002162', 'Working in HM': ' past9 years', 'Designation': 'Team Lead', 'BU': 'PES'}, {"Father's Name": 'Udaya Bhaskara rao gaaru', 'Address': ['Urivi village', 'Pedana Mandal', 'Krishna D.t', 'A.P'], 'Qualification': 'M.tech'}], 'Surendra': {'id': 'HM0004xx', 'age': 32, 'Mobile_no': '9959xxx530'}, 'Idly_cost': 45, 'Dosa_cost': 100, 'Puri_cost': 100, 'raagi_jaava': 40}
# pprint(data)
print(data["Idly_cost"])
print(data["Puri_cost"])
designation = data["Narendra"][0]["Designation"]
print(designation)
print(data["Narendra"][1]["Address"])

with open("Firmware_info.json") as data_file:
    data = json.load(data_file)

""" or """

with open("hotel_input.json") as data_file:
    data = load(data_file)
# print(data)
# print(data["Narendra"])  # getting all the values of narendra
# print(data["Narendra"][1])
# print(data["Narendra"][0]["id"])
# designation = data["Narendra"][0]["Designation"]
# print(designation)
# f_name = data["Narendra"][1]["Father's Name"]
# print(f_name)
# surendr_details = data['Surendra']
# print(surendr_details)
# s_id = data['Surendra']["Mobile_no"]
# print(s_id)
# print(data["Dosa_cost"])
# print(data["vinod_info"])

with open("iv_mainline.json") as data_obj:
    data = json.load(data_obj)

# print(data)
# print(data["Promotion_Status"])
# print(data["FirmWare"])
# print(data["FirmWare"][1])
# print(data["FirmWare"][1]["MI300A"])

""" json.loads() is used to convert the JSON String into a Python dictionary."""

person = '{"name": "kruthika", "languages": ["Tamil","English", "Telugu"]}'  # json string --> json data present inside string
# person_dict = json.loads(person)
# print(person_dict, type(person_dict))
# print(person_dict['languages'])

# Output: {'name': 'Bob', 'languages': ['English', 'Fench']}
# Output: ['English', 'French']

"""******************************************************************************"""

"""json.dump() method can be used for writing data into a JSON file.

Syntax: json.dump(dict, file_pointer)"""

"""The dump() method is used when the Python objects have to be stored in a file.
The dump() needs the JSON file name in which the output has to be stored as an argument."""

# Data to be written
maha_info = {
    "name": "Mahalakshmi Boyina",
    "D.O.B": "10-Feb-2020",
    "Blood group": "B +ve",
    "phonenumber": "9000 30 1444"
}

with open("nanditha.json", "w+") as outfile:
    json.dump(maha_info, outfile)

data = {"FirmWare": [
        {
            "MI200": "SMU:68.61; SDMA:08"
        },
        {
            "MI300A": "SMU: 04.85.103.00 ; SDMA:19"
        },
        {
            "MI300X": "SMU: 00.85.110.00 ; SDMA:19"
        },
        {
            "NAVI31": "SMU:78.126; SDMA:24"
        },
        {
            "NAVI32": "SMU:80.80; SDMA:25"
        }
    ]
    }
# with open("Firmware_info.json", "w") as outfile:
#     json.dump(data, outfile)

"""
json.dumps() method can convert a Python dictionary into a JSON string.
Syntax: json.dumps(dict, indent)

dumps() is used when the objects are required to be in string format(used for parsing, printing,...)
dumps() does not require any such file name to be passed.
"""

# Data to be written
content = {
    "Emp Id": "HM0002162",
    "Name": "Narendra",
    "Qualification": "M.Tech",
    "Designation": "Test Module Lead"
}

# json_object = json.dumps(data, indent=4)  # indent is used to maintain indentation for output
# print(json_object, "\n", type(json_object))

# with open("Mahalakshmi.json") as M_Obj:
#     ganesh =json.load(M_Obj)

# Mahalakshmi boyina's data of bith is 10-Feb-2020
# print(ganesh["name"],"'s","Date of birth is", ganesh["D.O.B"])



maha_info = {
    "name": "Mahalakshmi Boyina",
    "D.O.B": "10-Feb-2020",
    "Blood group": "B +ve",
    "phonenumber": "9000 30 1444"
}

from json import load, dump

with open("Mahalakshmi.json","w+") as jf_obj:
    dump(maha_info, jf_obj)

with open("Mahalakshmi.json") as jf_obj_1:
    data = load(jf_obj_1)

print(data["D.O.B"])

Author: Boyina Narendra
Supporting Author: M. Meera Sindhu
Request: If you find this information useful, please provide your valuable comments