Shop Management System In Python With Source Code

The Shop Management System In Python is created using Graphical User Interface (GUI), the GUI of this project is a user friendly design and easy to understand and easy to manage the system by the user.

A Shop Management System Python is good for the beginners or the students who wants to learn python programming language.

Project Information’s

This GUI Application main Aim is to showing the python Tkinter GUI module uses,that how GUI code is working ,how a Frame/Label/Entry/Color……etc is working.

This Simple Python Tkinter Module project “Shop Management System” Contain verious feature:

Features

• first enter customer details
• after that select item which one you want to buy and enter the quantity
• then click on “Total” button now you can see in bottom left of this application there calculation of total product price with GST tax
• after that click on “Bill Generate” button. now you can see the bill of your product in center right feild and save this bill
• You can send this Bill via Email for that go “send bill via Email” section top right and Enter your Email and send it (make sure internet connection sould on) (Pc:-For email sending feature first create one dummy Email after that go to google with this email and search “Less secure app” after that “Turn On” the button for dummy Email .after that enter your email and password in the code section function “Send Email”. now you and your email is able send bill. )
• Clear :- this button will help to clear all the data which is enter in the Application.
• Search bill section:- in this section you can search your bill data using bill number after enter bill number click on “search” button and if that bill is exist then it will show in “bill area section” other it show error on display and again enter correct bill number.
• Admin Area:- this bottom layout section is for admin/owner for updating shop details/stock etc.

To start executing Shop Management System In Python With Source Code, make sure that you have installed Python 3.9 and PyCharm in your computer.

Complete Source Code

from tkinter import *
import math,random
from tkinter import messagebox
import os
import smtplib
from PIL import Image,ImageTk
from tkinter import Tk, Label, Frame, Entry, Button
from subprocess import Popen

class Bill_App:
    def __init__(self, master):
        self.master=master
        self.master.geometry("1920x1080+-10+0")
        self.master.title("shop management system")

        title=Label(self.master,text="SHOP MANAGEMENT",bd=12,relief=GROOVE,bg="sky blue",font=("times new roman",30,"bold"),pady=2).pack(fill=X)
        
        #    variable ---------------------------------------
        
        #   cosmatic variable
        self.soap=IntVar()
        self.facecream=IntVar()
        self.facewash=IntVar()
        self.hair_spry=IntVar()
        self.hair_gel=IntVar()
        self.body_lotion=IntVar()
        
        # grocery varible
        self.maggie=IntVar()
        self.rice=IntVar()
        self.wheat=IntVar()
        self.food_oil=IntVar()
        self.daal=IntVar()
        self.sugar=IntVar()
        
        # cold drink
        self.maza=IntVar()
        self.coca_cola=IntVar()
        self.thumbs_up=IntVar()
        self.slice=IntVar()
        self.frooti=IntVar()
        self.pepsi=IntVar()
        
        # biscuit varible 
        
        self.parle=IntVar()
        self.britania=IntVar()
        self.goodday=IntVar()
        self.oreo=IntVar()
        self.sunfist=IntVar()
        self.monaco=IntVar()
        
        #product price varible
        
        self.cosmetic_price=StringVar()
        self.grocery_price=StringVar()
        self.cold_drink_price=StringVar()
        self.biscuit_price=StringVar()
        
        # tax varible
        
        self.cosmetic_tax=StringVar()
        self.grocery_tax=StringVar()
        self.cold_drink_tax=StringVar()
        self.biscuit_tax=StringVar()
        
        #customer details
        
        self.c_name=StringVar()
        self.c_phon=StringVar()
        self.c_mail=StringVar()
        self.bill_no=StringVar()
        self.search_bill=StringVar()
        x=random.randint(1000,9999)
        self.bill_no.set(str(x))
        
        # admin
        self.admin_id=StringVar()
        self.admin_pass=StringVar()
        
        
        
        # ------------>>> CUSTOMER DETAILS <<<<<-----------------
        F0=LabelFrame(self.master,bd=10,relief=GROOVE,text="Customer Details",font=("times new roman",15,"bold"),fg="gold",bg="sky blue")
        F0.place(x=0,y=70,width=950)
        
        cname_label=Label(F0,text="Customer Name",bg="sky blue",font=("times new romen",18,"bold")).grid(row=0,column=0,padx=20,pady=5)
        cname_txt=Entry(F0,width=20,textvariable=self.c_name,font="arial 15",bd=7,relief=SUNKEN).grid(row=0,column=1,pady=5,padx=10)
        
        cphn_label=Label(F0,text="Phone No.",bg="sky blue",font=("times new romen",18,"bold")).grid(row=0,column=2,padx=20,pady=5)
        cphn_txt=Entry(F0,width=20,textvariable=self.c_phon,font="arial 15",bd=7,relief=SUNKEN).grid(row=0,column=3,pady=5,padx=10)
        
         ################################ send email button
        F1=LabelFrame(self.master,bd=10,relief=GROOVE,text="send bill via Email ",font=("times new roman",15,"bold"),fg="gold",bg="sky blue")
        F1.place(x=950,y=70,width=587)
        
        cmail_label=Label(F1,text="Email",bg="sky blue",font=("times new romen",18,"bold")).grid(row=0,column=4,padx=20,pady=5)
        cmail_txt=Entry(F1,width=20,textvariable=self.c_mail,font="arial 15",bd=7,relief=SUNKEN).grid(row=0,column=5,pady=5,padx=10)
        
        #bn_txt=Entry(F9,width=18,textvariable=self.search_bill,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=0,column=1,padx=30,pady=1)
        send_btn=Button(F1,text="Send",bg="cyan",bd=5,fg="black",width=8,font="arial 12 bold").grid(row=0,column=7) #enter this line :- command=self.check_mail

        
        #----------------->>>>> COsmetic frame <<<----------------
        F2=LabelFrame(self.master,bd=10,relief=GROOVE,text="Cosmetic",font=("times new roman",15,"bold"),fg="gold",bg="sky blue")
        F2.place(x=5,y=152,width=277,height=393)
        
        
        bath_txt=Entry(F2,width=2,textvariable=self.soap,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=0,column=1,padx=10,pady=10,sticky=W)
        bath_label=Label(F2,text="Bath Soap",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=0,column=0,padx=10,pady=10,sticky="w")
        #face cream
        facecream_label=Label(F2,text="Face Cream",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=1,column=0,padx=10,pady=10,sticky="w")
        facecream_txt=Entry(F2,width=2,textvariable=self.facecream,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=1,column=1,padx=10,pady=10,sticky=W)
        
        #Facewash
        facewash_label=Label(F2,text="Facewash",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=2,column=0,padx=10,pady=10,sticky="w")
        facewash_txt=Entry(F2,width=2,textvariable=self.facewash,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=2,column=1,padx=10,pady=10,sticky=W)
        
        #hair spray
        hair_Spry_label=Label(F2,text="Hair Spray",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=3,column=0,padx=10,pady=10,sticky="w")
        hair_spry_txt=Entry(F2,width=2,textvariable=self.hair_spry,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=3,column=1,padx=10,pady=10,sticky=W)
        
        #Hair gel
        hair_gel_label=Label(F2,text="Hair Gel",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=4,column=0,padx=10,pady=10,sticky="w")
        hair_gel_txt=Entry(F2,width=2,textvariable=self.hair_gel,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=4,column=1,padx=10,pady=10,sticky=W)
        
        #bodylotion
        body_lt_label=Label(F2,text="Body Lotion",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=5,column=0,padx=10,pady=10,sticky="w")
        body_lt_txt=Entry(F2,width=2,textvariable=self.body_lotion,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=5,column=1,padx=10,pady=10,sticky=W)
        
        
        # you can use scroll bar here for frame
        
        #bath_shampoo_label=Label(F2,text="Bath Shampoo",font=("times new roman",16,"bold"),fg="black",bg="tomato").grid(row=6,column=0,padx=10,pady=10,sticky="w")
        #bath_shampoo_txt=Entry(F2,width=10,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=6,column=1,padx=10,pady=10)
        
        #bath_shampoo_label=Label(F2,text="hair oil",font=("times new roman",16,"bold"),fg="black",bg="tomato").grid(row=7,column=0,padx=10,pady=10,sticky="w")
        #bath_shampoo_txt=Entry(F2,width=10,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=7,column=1,padx=10,pady=10)
        
         #----------------->>>>> Groccery frame <<<----------------
        F3=LabelFrame(self.master,bd=10,relief=GROOVE,text="Grocery",font=("times new roman",15,"bold"),fg="gold",bg="sky blue")
        F3.place(x=276,y=152,width=220,height=393)
        
        g1_label=Label(F3,text="Meggie",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=0,column=0,padx=10,pady=10,sticky="w")
        g1_txt=Entry(F3,width=4,textvariable=self.maggie,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=0,column=1,padx=10,pady=10,sticky=W)
        
        g2_label=Label(F3,text="Rice",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=1,column=0,padx=10,pady=10,sticky="w")
        g2_txt=Entry(F3,width=4,textvariable=self.rice,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=1,column=1,padx=10,pady=10,sticky=W)
        
        g3_label=Label(F3,text="Wheat",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=2,column=0,padx=10,pady=10,sticky="w")
        g3_txt=Entry(F3,width=4,textvariable=self.wheat,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=2,column=1,padx=10,pady=10,sticky=W)
            
        g4_label=Label(F3,text="Food oil",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=3,column=0,padx=10,pady=10,sticky="w")
        g4_txt=Entry(F3,width=4,textvariable=self.food_oil,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=3,column=1,padx=10,pady=10,sticky=W)
        
        g5_label=Label(F3,text="Daal",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=4,column=0,padx=10,pady=10,sticky="w")
        g5_txt=Entry(F3,width=4,textvariable=self.daal,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=4,column=1,padx=10,pady=10,sticky=W)
        
        g6_label=Label(F3,text="Sugar",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=5,column=0,padx=10,pady=10,sticky="w")
        g6_txt=Entry(F3,width=4,textvariable=self.sugar,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=5,column=1,padx=10,pady=10,sticky=W)
        
         
         #----------------->>>>> cold-drink frame <<<----------------
        F4=LabelFrame(self.master,bd=10,relief=GROOVE,text="Cold Drink",font=("times new roman",15,"bold"),fg="gold",bg="sky blue")
        F4.place(x=490,y=152,width=220,height=393)
        
        c1_label=Label(F4,text="Maza",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=0,column=0,padx=10,pady=10,sticky="w")
        c1_txt=Entry(F4,width=4,textvariable=self.maza,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=0,column=1,padx=10,pady=10,sticky=W)
        
        c2_label=Label(F4,text="Coca cola",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=1,column=0,padx=10,pady=10,sticky="w")
        c2_txt=Entry(F4,width=4,textvariable=self.coca_cola,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=1,column=1,padx=10,pady=10,sticky=W)
        
        c3_label=Label(F4,text="Thumbs-up",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=2,column=0,padx=10,pady=10,sticky="w")
        c3_txt=Entry(F4,width=4,textvariable=self.thumbs_up,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=2,column=1,padx=10,pady=10,sticky=W)
        
        c4_label=Label(F4,text="Slice",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=3,column=0,padx=10,pady=10,sticky="w")
        c4_txt=Entry(F4,width=4,textvariable=self.slice,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=3,column=1,padx=10,pady=10,sticky=W)
        
        c5_label=Label(F4,text="Frooti",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=4,column=0,padx=10,pady=10,sticky="w")
        c5_txt=Entry(F4,width=4,textvariable=self.frooti,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=4,column=1,padx=10,pady=10,sticky=W)
        
        c6_label=Label(F4,text="Pepsi",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=5,column=0,padx=10,pady=10,sticky="w")
        c6_txt=Entry(F4,width=4,textvariable=self.pepsi,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=5,column=1,padx=10,pady=10,sticky=W)
        
        #----------------->>>>> Biscuit frame <<<----------------
        F4=LabelFrame(self.master,bd=10,relief=GROOVE,text="Biscuits",font=("times new roman",15,"bold"),fg="gold",bg="sky blue")
        F4.place(x=705,y=152,width=230,height=393)
        
        c1_label=Label(F4,text="Parle-G",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=0,column=0,padx=10,pady=10,sticky="w")
        c1_txt=Entry(F4,width=4,textvariable=self.parle,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=0,column=1,padx=10,pady=10,sticky=W)
        
        c2_label=Label(F4,text="Britania",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=1,column=0,padx=10,pady=10,sticky="w")
        c2_txt=Entry(F4,width=4,textvariable=self.britania,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=1,column=1,padx=10,pady=10,sticky=W)
        
        c3_label=Label(F4,text="Oreo",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=2,column=0,padx=10,pady=10,sticky="w")
        c3_txt=Entry(F4,width=4,textvariable=self.oreo,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=2,column=1,padx=10,pady=10,sticky=W)
        
        c4_label=Label(F4,text="Good Day",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=3,column=0,padx=10,pady=10,sticky="w")
        c4_txt=Entry(F4,width=4,textvariable=self.goodday,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=3,column=1,padx=10,pady=10,sticky=W)
        
        c5_label=Label(F4,text="Sunfist",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=4,column=0,padx=10,pady=10,sticky="w")
        c5_txt=Entry(F4,width=4,textvariable=self.sunfist,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=4,column=1,padx=10,pady=10,sticky=W)
        
        c6_label=Label(F4,text="Monaco",font=("times new roman",16,"bold"),fg="black",bg="sky blue").grid(row=5,column=0,padx=10,pady=10,sticky="w")
        c6_txt=Entry(F4,width=4,textvariable=self.monaco,font=("times new roman",16,"bold"),bd=5,relief=SUNKEN).grid(row=5,column=1,padx=10,pady=10,sticky=W)
        
        
         #----------------->>>>> image frame <<<----------------
         
        
        
        self.image_section()
        
        
        # bill Area ....................................
        
        F6=LabelFrame(self.master,bd=10,relief=GROOVE)
        F6.place(x=1160,y=152,width=380,height=393)
        bill_title=Label(F6,text="Bill Area",font="arial 15 bold",bd=7,relief=GROOVE).pack(fill=X)
        
        scrol_y=Scrollbar(F6,orient=VERTICAL)
        self.txtarea=Text(F6,yscrollcommand=scrol_y.set)
        scrol_y.pack(side=RIGHT,fill=Y)
        scrol_y.config(command=self.txtarea.yview)
        self.txtarea.pack(fill=BOTH,expand=1)

        #  bottom button frame----------------------------------
        
        F7=LabelFrame(self.master,bd=10,relief=GROOVE,text="Bill Menu",font=("times new roman",15,"bold"),fg="gold",bg="sky blue")
        F7.place(x=0,y=540,relwidth=1,height=180)
        
        m1=Label(F7,text="Total Cosmetic Price",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=0,column=0,padx=20,pady=1,sticky=W)
        ml_txt=Entry(F7,width=18,textvariable=self.cosmetic_price,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=0,column=1,padx=10,pady=1)
        
        m2=Label(F7,text="Total Grocery Price",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=1,column=0,padx=20,pady=1,sticky=W)
        m2_txt=Entry(F7,width=18,textvariable=self.grocery_price,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=1,column=1,padx=10,pady=1)

        m3=Label(F7,text="Total Cold-drink Price",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=2,column=0,padx=20,pady=1,sticky=W)
        m3_txt=Entry(F7,width=18,textvariable=self.cold_drink_price,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=2,column=1,padx=10,pady=1)

        m4=Label(F7,text="Total Biscuit Price",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=3,column=0,padx=20,pady=1,sticky=W)
        m4_txt=Entry(F7,width=18,textvariable=self.biscuit_price,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=3,column=1,padx=10,pady=1)

        # for tax
        
        tax1=Label(F7,text="Cosmetic Tax (28%)",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=0,column=2,padx=20,pady=1,sticky=W)
        taxl_txt=Entry(F7,width=18,textvariable=self.cosmetic_tax,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=0,column=3,padx=10,pady=1)
        
        tax2=Label(F7,text="Grocery Tax (5%)",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=1,column=2,padx=20,pady=1,sticky=W)
        tax2_txt=Entry(F7,width=18,textvariable=self.grocery_tax,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=1,column=3,padx=10,pady=1)

        tax3=Label(F7,text="Cold-drink Tax (40%)",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=2,column=2,padx=20,pady=1,sticky=W)
        tax3_txt=Entry(F7,width=18,textvariable=self.cold_drink_tax,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=2,column=3,padx=10,pady=1)

        tax4=Label(F7,text="Biscuit Tax (5%)",bg="sky blue",fg="black",font=("times new roman",14,"bold")).grid(row=3,column=2,padx=20,pady=1,sticky=W)
        tax4_txt=Entry(F7,width=18,textvariable=self.biscuit_tax,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=3,column=3,padx=10,pady=1)


        btn_frame=Frame(F7,bd=7,relief=GROOVE)
        btn_frame.place(x=810,y=10,width=700,height=115)
        
        total_btn=Button(btn_frame,command=self.total,text="Total",bg="cyan",bd=5,fg="black",pady=15,width=14,font="arial 12 bold").grid(row=0,column=0,padx=15,pady=15)

        genbill_btn=Button(btn_frame,text="Generate Bill",command=self.bill_area,bg="cyan",bd=5,fg="black",pady=15,width=14,font="arial 12 bold").grid(row=0,column=1,padx=15,pady=15)

        clear_btn=Button(btn_frame,text="Clear",command=self.clear_data,bg="cyan",bd=5,fg="black",pady=15,width=11,font="arial 12 bold").grid(row=0,column=2,padx=15,pady=15)

        exit_btn=Button(btn_frame,text="Exit",command=self.exit_app,bg="cyan",bd=5,fg="black",pady=15,width=11,font="arial 12 bold").grid(row=0,column=3,padx=15,pady=15)
        
        self.welcome_bill()
        #----------------->>>>> bill search frame <<<----------------
        F8=LabelFrame(self.master,bd=10,relief=GROOVE,text="Bill Search ",font=("times new roman",15,"bold"),fg="gold",bg="tomato")
        F8.place(x=0,y=712,width=350,height=80)
        
        bn_txt=Entry(F8,width=18,textvariable=self.search_bill,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=0,column=1,padx=30,pady=1)
        search_btn=Button(F8,text="Search",command=self.find_bill,bg="cyan",bd=5,fg="black",width=8,font="arial 12 bold").grid(row=0,column=2)

           #---------------Admin area-----------------------
        F9=LabelFrame(self.master,bd=10,relief=GROOVE,text="Admin area ",font=("times new roman",15,"bold"),fg="gold",bg="tomato")
        F9.place(x=351,y=712,width=1186,height=80)
            
        
        
        Label(F9,text="Login :  | ",font=("times new roman",15,"bold"),fg="black",bg="sky blue").grid(row=0,column=0)
        Label(F9,text="ID ",font=("times new roman",15,"bold"),fg="black",bg="tomato").grid(row=0,column=1)
        
        admin_id1=Entry(F9,width=25,textvariable=self.admin_id,font="arial 10 bold",bd=7,relief=SUNKEN).grid(row=0,column=2,sticky=E)
        
        Label(F9,text="  Password",font=("times new roman",15,"bold"),fg="black",bg="sky blue").grid(row=0,column=3)
        
        admin_pass1=Entry(F9,width=18,textvariable=self.admin_pass,font="arial 10 bold",bd=7,relief=SUNKEN,show='X').grid(row=0,column=4,sticky=E)
        
        a_login=Button(F9,text="Login",command=self.login_page,bg="cyan",bd=5,fg="black",width=12,font="arial 12 bold").grid(row=0,column=5,padx=35)
        
        
        #-------sign up----------------
        Label(F9,text="  Create New Account",font=("times new roman",15,"bold"),fg="black",bg="sky blue").grid(row=0,column=6)
        a_sign_up=Button(F9,text="Sign Up",bg="cyan",bd=5,fg="black",width=12,font="arial 12 bold").grid(row=0,column=7,padx=35)
        
        
    
    
    
    

    def image_section(self):
        img=Image.open("shoping3.jpg")
        pic=ImageTk.PhotoImage(img)
        F5=LabelFrame(self.master,bd=10,relief=GROOVE,bg="sky blue")
        F5.place(x=930,y=152,width=230,height=393)
        
        F5_label=Label(F5,image=pic)
        F5_label.image=pic
        F5_label.pack()
    
    def total(self):
        self.c_sp=self.soap.get()*25
        self.c_fc=self.facecream.get()*132#*self.find_price("Face cream",self.fcream_clicked.get())
        self.c_fw=self.facewash.get()*122#*self.find_price("Face wash",self.fwash_clicked.get())
        self.c_hsp=self.hair_spry.get()*154#*self.find_price("Hair Spray",self.hairspray_clicked.get())
        self.c_hg=self.hair_gel.get()*45#*self.find_price("Hair gel",self.hairgel_clicked.get())
        self.c_bl=self.body_lotion.get()*78#*self.find_price("Bodylotion",self.bodylotion_clicked.get())
        self.total_cosmetic_price=float(
                self.c_sp+
                self.c_bl+
                self.c_fc+
                self.c_fw+
                self.c_hg+
                self.c_hsp
                )
        
        self.c_tax=round((self.total_cosmetic_price*0.28),2)
        self.cosmetic_price.set("Rs. "+str(self.total_cosmetic_price))
        self.cosmetic_tax.set("Rs. "+str(self.c_tax))
        
        
        
        self.g_mg=self.maggie.get()*30
        self.g_rc=self.rice.get()*70
        self.g_wh=self.wheat.get()*150
        self.g_sg=self.sugar.get()*200
        self.g_fol=self.food_oil.get()*100
        self.g_dl=self.daal.get()*140
        
        self.total_grocery_price=float(
                self.g_dl+
                self.g_fol+
                self.g_mg+
                self.g_rc+
                self.g_sg+
                self.g_wh
                )
        self.g_tax=round((self.total_grocery_price*0.05),2)
        self.grocery_price.set("Rs. "+str(self.total_grocery_price))
        self.grocery_tax.set("Rs. "+str(self.g_tax))
        
        
        self.cd_mz=self.maza.get()*30
        self.cd_cc=self.coca_cola.get()*70
        self.cd_sl=self.slice.get()*150
        self.ccd_thu=self.thumbs_up.get()*200
        self.cd_ft=self.frooti.get()*100
        self.cd_ps=self.pepsi.get()*140
        
        self.total_cold_drink_price=float(
                self.cd_cc+
                self.cd_ft+
                self.cd_mz+
                self.cd_ps+
                self.cd_sl+
                self.ccd_thu
                )
        self.cd_tax=round((self.total_cold_drink_price*0.40),2)
        self.cold_drink_price.set("Rs. "+str(self.total_cold_drink_price))
        self.cold_drink_tax.set("Rs. "+str(self.cd_tax))
         
        self.bc_pr=self.parle.get()*30
        self.bc_o=self.oreo.get()*70
        self.bc_mc=self.monaco.get()*150
        self.bc_bt=self.britania.get()*200
        self.bc_gd=self.goodday.get()*100
        self.bc_sf=self.sunfist.get()*140
        
        self.total_biscuit_price=float(
                self.bc_bt+
                self.bc_gd+
                self.bc_mc+
                self.bc_o+
                self.bc_pr+
                self.bc_sf
                )
        self.bc_tax=round((self.total_biscuit_price*0.05),2)
        self.biscuit_price.set("Rs. "+str(self.total_biscuit_price))
        self.biscuit_tax.set("Rs. "+str(self.bc_tax))
        
        self.total_bill=float(
                self.total_cosmetic_price+
                self.total_grocery_price+
                self.total_cold_drink_price+
                self.total_biscuit_price+
                self.c_tax+
                self.g_tax+
                self.cd_tax+
                self.bc_tax
                )
        
    def stock_update_after_purchased(self,name,n):
        f1=open("stock.csv","w+",encoding='utf-8-sig')
        for i in f1:
            data=i.split(",")
            if data[0]==name:
                if n<=int(data[1]):
                    x=int(data[1])
                    x=x-n
                    return n
        
        
        
        
    def welcome_bill(self):
        self.txtarea.delete('1.0',END)
        self.txtarea.insert(END,"\t\t|| CRP SHOP ||")
        self.txtarea.insert(END,"\n_________________________________________\n")
        self.txtarea.insert(END,f"\nBill No. : {self.bill_no.get()}")
        self.txtarea.insert(END,f"\nCustomer Name :   {self.c_name.get()}")
        self.txtarea.insert(END,f"\nPhone no.:    {self.c_phon.get()}")
        self.txtarea.insert(END,"\n==========================================")
        self.txtarea.insert(END,"\nProducts\t\t\tQTY\t   Price")
        self.txtarea.insert(END,"\n==========================================")
        
        
    def bill_area(self):
       
       if self.c_name.get()=="" or self.c_phon.get()=="":
           messagebox.showerror("Error","Fill Customer details")
       elif self.cosmetic_price=="Rs. 0.0" and self.grocery_price=="Rs. 0.0" and self.cold_drink_price=="Rs. 0.0" and self.biscuit_price=="Rs. 0.0":
           messagebox.showerror("Error","No product purchased")
       else: 
           self.welcome_bill()
           # cosmetic
           if self.soap.get()!=0:
               self.txtarea.insert(END,f"\nSoap    \t\t\t{self.soap.get()}\t    {self.c_sp}")
           if self.facewash.get()!=0:
               self.txtarea.insert(END,f"\nFacewash \t\t\t{self.facewash.get()}\t    {self.c_fw}")
           if self.facecream.get()!=0:
               self.txtarea.insert(END,f"\nFacecream\t\t\t{self.facecream.get()}\t    {self.c_fc}")
           if self.hair_spry.get()!=0:
               self.txtarea.insert(END,f"\nHairSpray\t\t\t{self.hair_spry.get()}\t    {self.c_hsp}")
           if self.hair_gel.get()!=0:
               self.txtarea.insert(END,f"\nHair Gel \t\t\t{self.hair_gel.get()}\t    {self.c_hg}")
           if self.body_lotion.get()!=0:
               self.txtarea.insert(END,f"\nBody Lotion\t\t\t{self.body_lotion.get()}\t    {self.c_bl}")
            
            #Grocery print
           if self.maggie.get()!=0:
               self.txtarea.insert(END,f"\nMaggie   \t\t\t{self.maggie.get()}\t    {self.g_mg}")
           if self.rice.get()!=0:
               self.txtarea.insert(END,f"\nRice     \t\t\t{self.rice.get()}\t    {self.g_rc}")
           if self.wheat.get()!=0:
               self.txtarea.insert(END,f"\nWheat    \t\t\t{self.wheat.get()}\t    {self.g_wh}")
           if self.food_oil.get()!=0:
               self.txtarea.insert(END,f"\nFood oil \t\t\t{self.food_oil.get()}\t    {self.g_fol}")
           if self.sugar.get()!=0:
               self.txtarea.insert(END,f"\nSugar    \t\t\t{self.sugar.get()}\t    {self.g_sg}")
           if self.daal.get()!=0:
               self.txtarea.insert(END,f"\nDaal     \t\t\t{self.daal.get()}\t    {self.g_dl}")
    
            
            #Biscuit print
           if self.parle.get()!=0:
               self.txtarea.insert(END,f"\nParle-G  \t\t\t{self.parle.get()}\t    {self.bc_pr}")
           if self.oreo.get()!=0:
               self.txtarea.insert(END,f"\nOreo     \t\t\t{self.oreo.get()}\t    {self.bc_o}")
           if self.britania.get()!=0:
               self.txtarea.insert(END,f"\nBritania \t\t\t{self.britania.get()}\t    {self.bc_bt}")
           if self.goodday.get()!=0:
               self.txtarea.insert(END,f"\nGood-Day \t\t\t{self.goodday.get()}\t    {self.bc_gd}")
           if self.sunfist.get()!=0:
               self.txtarea.insert(END,f"\nSunfist  \t\t\t{self.sunfist.get()}\t    {self.bc_sf}")
           if self.monaco.get()!=0:
               self.txtarea.insert(END,f"\nMonaco   \t\t\t{self.monaco.get()}\t    {self.bc_mc}")
            
            
            #Cold-drink print
           if self.maza.get()!=0:
               self.txtarea.insert(END,f"\nMaza     \t\t\t{self.maza.get()}\t    {self.cd_mz}")
           if self.coca_cola.get()!=0:
               self.txtarea.insert(END,f"\nCoca-Cola\t\t\t{self.coca_cola.get()}\t    {self.cd_cc}")
           if self.slice.get()!=0:
               self.txtarea.insert(END,f"\nSlice    \t\t\t{self.slice.get()}\t    {self.cd_sl}")
           if self.thumbs_up.get()!=0:
               self.txtarea.insert(END,f"\nThumbs-up\t\t\t{self.thumbs_up.get()}\t    {self.ccd_thu}")
           if self.pepsi.get()!=0:
               self.txtarea.insert(END,f"\nPepsi    \t\t\t{self.pepsi.get()}\t    {self.cd_ps}")
           if self.frooti.get()!=0:
               self.txtarea.insert(END,f"\nFrooti   \t\t\t{self.frooti.get()}\t    {self.cd_ft}")
            
           self.txtarea.insert(END,"\n`````````````````````````````````````````")
           if self.cosmetic_tax.get()!="Rs. 0.0":
               self.txtarea.insert(END,f"\nCosmetic Tax\t\t\t       {self.cosmetic_tax.get()}")
           if self.grocery_tax.get()!="Rs. 0.0":
               self.txtarea.insert(END,f"\nGrocery  Tax\t\t\t       {self.grocery_tax.get()}")
           if self.biscuit_tax.get()!="Rs. 0.0":
               self.txtarea.insert(END,f"\nBiscuit  Tax\t\t\t       {self.biscuit_tax.get()}")
           if self.cold_drink_tax.get()!="Rs. 0.0":
               self.txtarea.insert(END,f"\nColdDrink Tax\t\t\t      {self.cold_drink_tax.get()}")
           
           self.txtarea.insert(END,"\n`````````````````````````````````````````")
           self.txtarea.insert(END,f"\nTotal Bill :\t\t\t      Rs. {str(self.total_bill)}") 
           self.txtarea.insert(END,"\n`````````````````````````````````````````")
           
           self.save_bill()
       
    def save_bill(self):
        op=messagebox.askyesno("save bill","Do you want to save the bill ?")
        if op>0:
            self.bill_data=self.txtarea.get('1.0',END)
            fp1=open("bills/"+str(self.bill_no.get())+".txt","w")
            fp1.write(self.bill_data)
            fp1.close()
            messagebox.showinfo("Saved",f"Bill No. :{self.bill_no.get()} Saved successfuly")
        else:
            return 
    
    def find_bill(self):
        present="no"
        for i in os.listdir("bills/"):
            if i.split('.')[0]==self.search_bill.get():
                
                f1=open(f"bills/{i}","r")
                self.txtarea.delete('1.0',END)
                self.txtarea.insert(END,f1.read())
                f1.close()
                present="yes"
                
                
        if present=="no":
            messagebox.showerror("Error","Invalid Bill No.")

        
    def clear_data(self):
        #   cosmatic variable
        op=messagebox.askyesno("Exit","Do you want to Exit")
        if op>0:
            self.soap.set(0)
            self.facecream.set(0)
            self.facewash.set(0)
            self.hair_spry.set(0)
            self.hair_gel.set(0)
            self.body_lotion.set(0)
            
            # grocery varible
            self.maggie.set(0)
            self.rice.set(0)
            self.wheat.set(0)
            self.food_oil.set(0)
            self.daal.set(0)
            self.sugar.set(0)
            
            # cold drink
            self.maza.set(0)
            self.coca_cola.set(0)
            self.thumbs_up.set(0)
            self.slice.set(0)
            self.frooti.set(0)
            self.pepsi.set(0)
            
            # biscuit varible 
            
            self.parle.set(0)
            self.britania.set(0)
            self.goodday.set(0)
            self.oreo.set(0)
            self.sunfist.set(0)
            self.monaco.set(0)
            
            #product price varible
            
            self.cosmetic_price.set("")
            self.grocery_price.set("")
            self.cold_drink_price.set("")
            self.biscuit_price.set("")
            
            # tax varible
            
            self.cosmetic_tax.set("")
            self.grocery_tax.set("")
            self.cold_drink_tax.set("")
            self.biscuit_tax.set("")
            
            #customer details
            
            self.c_name.set("")
            self.c_phon.set("")
            self.c_mail.set("")
            self.bill_no.set("")
            self.search_bill.set("")
            x=random.randint(1000,9999)
            self.bill_no.set(str(x))
            
            self.welcome_bill()
    
        else:
            return
                
        
    def exit_app(self):
        op1=messagebox.askyesno("Exit","Do you want to Exit")
        if op1>0:
            root.destroy()
        else:
            return
    
    def check_mail(self):
        txt_msg= self.send_email_bill()
        messagebox.showinfo("Sent",f"Bill No. :{self.bill_no.get()} Sent successfuly")
        
    def login_page(self):
        ad_id=self.admin_id.get()
        ad_pass=self.admin_pass.get()
        if(ad_id=="crpshop123"):
            if(ad_pass=="123456789"):
                global login_window
                login_window=Tk()
                
                obj1=login_page_window(login_window)
                
                
                
                login_window.mainloop()
            else:
                messagebox.showerror("Error","invalid password")
        else:
            messagebox.showerror("Error","invalid User id")
                
class login_page_window:
    def __init__(self, master1):
        self.master1=master1
        self.master1.geometry("1920x1080+-10+0")
        self.master1.title("Admin Area")

        title=Label(self.master1,text="CRP SHOP MANAGEMENT",bd=12,relief=GROOVE,bg="sky blue",font=("times new roman",30,"bold"),pady=2).pack(fill=X)
        
        #self.image_section2()
        
        F0=LabelFrame(self.master1,bd=10,relief=GROOVE,bg="orange red")
        F0.place(x=0,y=73,height=60,width=1537)
        F1=LabelFrame(self.master1,bd=10,relief=GROOVE,text="MENU",font=("times new roman",15,"bold"),fg="black",bg="sky blue")
        F1.place(x=0,y=133,width=230,height=600)
        
        today_sell=Button(F1,text="Today's Sell",bg="cyan",bd=5,fg="black",width=15,font="arial 12 bold").grid(row=0,column=0,padx=10,pady=15)
        
        total_sell=Button(F1,text="Total Sell",bg="cyan",bd=5,fg="black",width=15,font="arial 12 bold").grid(row=1,column=0,padx=10,pady=15)
        
        stock=Button(F1,text="Stock",command=self.check_stock,bg="cyan",bd=5,fg="black",width=15,font="arial 12 bold").grid(row=2,column=0,padx=10,pady=15)
        
        update_stock=Button(F1,text="Update Stock",command=self.Update_stock,bg="cyan",bd=5,fg="black",width=15,font="arial 12 bold").grid(row=3,column=0,padx=10,pady=15)
        
        change_password=Button(F1,text="Change password",bg="cyan",bd=5,fg="black",width=15,font="arial 12 bold").grid(row=4,column=0,padx=10,pady=15)
        
        lis_of_bill=Button(F1,text="Bill List",command=self.bill_list,bg="cyan",bd=5,fg="black",width=15,font="arial 12 bold").grid(row=5,column=0,padx=10,pady=15)
        
        clear=Button(F1,text="Clear",command=self.clear_admin_notebook,bg="cyan",bd=5,fg="black",width=15,font="arial 12 bold").grid(row=6,column=0,padx=10,pady=15)
        
        
        
        F3=LabelFrame(self.master1,bd=10,text="Bottom",relief=GROOVE,bg="sky blue")
        F3.place(x=0,y=733,width=1537,height=60)
        
        
        
        
        # Notepad Area ....................................
        
        F4=LabelFrame(self.master1,bd=10,relief=GROOVE)
        F4.place(x=780,y=133,width=757,height=600)
        bill_title=Label(F4,text="Notepad Area",font="arial 15 bold",bd=7,relief=GROOVE).pack(fill=X)
        
        scrol_y=Scrollbar(F4,orient=VERTICAL)
        self.txtarea=Text(F4,yscrollcommand=scrol_y.set)
        scrol_y.pack(side=RIGHT,fill=Y)
        scrol_y.config(command=self.txtarea.yview)
        self.txtarea.pack(fill=BOTH,expand=1)
        
        self.welcome_bill_admin()
        
        
        
        #---------------------------------------------
        
        
        
        
        
        
        img1=Image.open("onlineshop1.jpg")
        pic1=ImageTk.PhotoImage(img1)
        F2=LabelFrame(self.master1,bd=10,relief=GROOVE,bg="sky blue")
        F2.place(x=230,y=133,width=550,height=600)
        
        F2_label1=Label(F2,image=pic1)
        F2_label1.image=pic1
        F2_label1.pack()
        # isko resolve krne k liye ek method hai ki close privious window and open this
        
        #F2=LabelFrame(self.master1,bd=10,text="image",relief=GROOVE,bg="tomato")
        #F2.place(x=230,y=133,width=550,height=600)
        
    def welcome_bill_admin(self):
            
            self.txtarea.delete('1.0',END)
            self.txtarea.insert(END,"\t\t\t\t\t|| CRP SHOP ||")
            self.txtarea.insert(END,"\n_________________________________________________________________________________________\n")
    def check_stock(self):
        
        self.txtarea.delete('1.0',END)
        
        self.welcome_bill_admin()
        
        f1=open("stock.csv","r",encoding='utf-8-sig')
        
        #self.txtarea.insert(END,f1.read())
        self.txtarea.insert(END,"|| Product    || \t\t\t\t\t\t\t\t ||Quantity")
        self.txtarea.insert(END,"\n_________________________________________________________________________________________\n")
        for i in f1:
            data=i.split(",")
        #    print((data[0],data[1]))
            
            self.txtarea.insert(END,"\n"+data[0]+"\t\t\t\t\t\t\t\t "+data[1])
        
        f1.close()
    def clear_admin_notebook(self):
        self.txtarea.delete('1.0',END)
        self.welcome_bill_admin()
    
    def bill_list(self):
        
        j=1 
        self.txtarea.insert(END,"S.No.\t Bill \n\n")
        for i in os.listdir("bills/"):
           self.txtarea.insert(END,str(j)+".\t"+str(i)+"\n\n")
           j+=1
    def Update_stock(self):
        #os.startfile('stock.csv','r')            
         p=Popen('stock.csv',shell=True)       
        
        
        
global root       
root=Tk()

#obj=login_page_window(root)       
obj = Bill_App(root)
root.mainloop()

Output

Download Source Code below

Summary

This article about Shop Management System was created in Python Programming Language using PyCharm IDE, This project also includes a downloadable source code for free.