Library Management System in Python | Projects for Class 12

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Source Code :

GitHub : Python/Library Management System

# Library Management System

import pickle
import os

lib_data = {}


def add_books():
    file = open("library.dat", 'ab')
    num = int(input("Enter Number of Books you want to add : "))
    for i in range(num):
        print(f"Enter Details of Books-{i+1} : ")
        lib_data["bookNo"] = int(input("Enter the Number of book : "))
        lib_data["bname"] = input("Enter Name of the Book : ")
        lib_data["price"] = int(input("Enter price of the Book : "))
        pickle.dump(lib_data, file)
    file.close()


def show_books():
    file = open('library.dat', 'rb')
    try:
        while True:
            data = pickle.load(file)
            print(data)
    except EOFError:
        pass
    file.close()


def search_book():
    file = open('library.dat', 'rb')
    bookNo = int(input("Enter Book Number you want to Search : "))
    found = 0
    try:
        while True:
            data = pickle.load(file)
            if data["bookNo"] == bookNo:
                print("\nRecord Found : ")
                print(data)
                found = 1
                break
    except EOFError:
        pass
    if found == 0:
        print(f"Book-{bookNo} Not Found!")
    file.close()


def update_booK():
    bdata1 = open("library.dat", "rb")
    bdata2 = open("temp.dat", "ab")
    bookNo = int(input("Enter Book Number to Update : "))
    try:
        while True:
            data = pickle.load(bdata1)
            if data["bookNo"] == bookNo:
                print(f"\nEnter New Details of Book-{bookNo} : ")
                data["bookNo"] = int(input("Enter Number of Book : "))
                data["bname"] = input("Enter Name of Book : ")
                data["price"] = int(input("Enter Price of Book : "))
                pickle.dump(data, bdata2)
                print("Data Updated Successfully")
            else:
                pickle.dump(data, bdata2)
    except EOFError:
        pass
    bdata1.close()
    bdata2.close()
    os.remove("library.dat")
    os.rename("temp.dat", "library.dat")


def remove_book():
    bdata1 = open("library.dat", "rb")
    bdata2 = open("temp.dat", "ab")
    bookNo = int(input("Enter Book Number to Delete : "))
    try:
        while True:
            data = pickle.load(bdata1)
            if data["bookNo"] == bookNo:
                print(f"Book-{bookNo} Deleted Successfully.")
                pass
            else:
                pickle.dump(data, bdata2)
    except EOFError:
        pass
    bdata1.close()
    bdata2.close()
    os.remove("library.dat")
    os.rename("temp.dat", "library.dat")

while True:
    print('\nOperations :\n 1 - Add Book Details.\n 2 - Show Book Details\n 3 - Update Book Details. ')
    print(' 4 - Delete Book Detail.\n 5 - Search Book.\n 6 - Clock.\n 7 - EXIT.')
    op = int(input("\nEnter Number to Choose Operation : "))
    if op == 1:
        add_books()
    elif op == 2:
        print(f"\nBooks Details : ")
        show_books()
    elif op == 3:
        update_booK()
    elif op == 4:
        remove_book()
    elif op == 5:
        search_book()
    elif op == 6:
        import time
        live_time = time.strftime("%H:%M:%S")
        print(f"\n| The Current timings are : {live_time} |")
    elif op == 7:
        print("Thanks for Using Library Management System")
        print("Creators of Library Management System :\n "
              "| Akash Kumar Singh |")
        break
    else:
        print("Please Choose CORRECT Operation!")

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Above Code is Created by Akash .

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