How can i add a variables which you can put a half of kilos for customer bill? using python

[TheShakk]

Errors:

Traceback (most recent call last):
File "C:\Users\Mila\AppData\Local\Programs\Python\Python312\Lib\tkinter_init_.py", line 1968, in call
return self.func(*args)
^^^^^^^^^^^^^^^^
File "c:\Users\Mila\Desktop\Project Files\Inventory\billing.py", line 297, in add_update_cart
elif int(self.var_qty.get())>int(self.var_status.get()):
^^^^^^^^^^^^^^^^^^^^^^^
ValueError: invalid literal for int() with base 10: '1.5'
Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Users\Mila\AppData\Local\Programs\Python\Python312\Lib\tkinter_init_.py", line 1968, in call
^^^^^^^^^^^^^^^^
elif int(self.var_qty.get())>int(self.var_status.get()):
^^^^^^^^^^^^^^^^^^^^^^^
ValueError: invalid literal for int() with base 10: '1.5'

Images:

[TheShakk]

Heres my code:

from tkinter import*
from PIL import Image,ImageTk #pip install pillow
from tkinter import ttk,messagebox
import sqlite3
import time
import os
import tempfile
class BillClass:
def init(self,root):
self.root=root
self.root.geometry("1350x700+0+0")
self.root.title("Inventory Management System ")
self.root.config(bg="white")
self.cart_list=[]
self.chk_print=0
#===title====
self.icon_title=PhotoImage(file="images/logo1.png")
title=Label(self.root,text="Inventory Management System TUDELA",image=self.icon_title,compound=LEFT,font=("times new roman",40,"bold"),bg="#ADD8E6",fg="white",anchor="w",padx=20).place(x=0,y=0,relwidth=1,height=70)

    #===btn_logout===
    btn_logout=Button(self.root,text="Logout",command=self.logout,font=("times new roman",15,"bold"),bg="yellow",cursor="hand2").place(x=1100,y=10,height=30,width=150)

    #===clock logout===
    self.lbl_clock=Label(self.root,text="Welcome to Inventory Management System\t\t Date: DD-MM-YYYY\t\t Time: HH:MM:SS:",font=("times new roman",15,),bg="#4d636d",fg="white")
    self.lbl_clock.place(x=0,y=70,relwidth=1,height=30)

    #====Product_Frame====
    self.var_search=StringVar()

    ProductFrame1=Frame(self.root,bd=4,relief=RIDGE,bg="white")
    ProductFrame1.place(x=6,y=110,width=410,height=550)

    pTitle=Label(ProductFrame1,text="All Products",font=("goudy old style",20,"bold"),bg="#262626",fg="white").pack(side=TOP,fill=X)

    #=====Product Search Frame=========
    self.var_search=StringVar()
    ProductFrame2=Frame(ProductFrame1,bd=2,relief=RIDGE,bg="white")
    ProductFrame2.place(x=2,y=42,width=398,height=90)

    lbl_search=Label(ProductFrame2,text="Search Product | By Name ",font=("times new roman",15,"bold"),bg="white",fg="green").place(x=2,y=5)

    lbl_search=Label(ProductFrame2,text="Product Name",font=("times new roman",15,"bold"),bg="white").place(x=2,y=45)
    txt_search=Entry(ProductFrame2,textvariable=self.var_search,font=("times new roman",15),bg="lightyellow").place(x=128,y=47,width=150,height=22)
    btn_search=Button(ProductFrame2,text="Seach",command=self.search,font=("goudy old style",15),bg="#2196f3",fg="white",cursor="hand2").place(x=285,y=45,width=100,height=25)
    btn_show_all=Button(ProductFrame2,text="Show All",command=self.show,font=("goudy old style",15),bg="#083531",fg="white",cursor="hand2").place(x=285,y=10,width=100,height=25)

    #=====Product Details Frame=========
    ProductFrame3=Frame(ProductFrame1,bd=3,relief=RIDGE)
    ProductFrame3.place(x=2,y=140,width=398,height=375)


    scrolly=Scrollbar(ProductFrame3,orient=VERTICAL)
    scrollx=Scrollbar(ProductFrame3,orient=HORIZONTAL)
    
    self.product_Table=ttk.Treeview(ProductFrame3,columns=("pid","name","price","qty","status"),yscrollcommand=scrolly.set,xscrollcommand=scrollx.set)
    scrollx.pack(side=BOTTOM,fill=X)
    scrolly.pack(side=RIGHT,fill=Y)
    scrollx.config(command=self.product_Table.xview)
    scrolly.config(command=self.product_Table.yview)

    self.product_Table.heading("pid",text="PID")
    self.product_Table.heading("name",text="Name")
    self.product_Table.heading("price",text="Price")
    self.product_Table.heading("qty",text="QTY")
    self.product_Table.heading("status",text="Status")  
    self.product_Table["show"]="headings"
    self.product_Table.column("pid",width=40)
    self.product_Table.column("name",width=100)
    self.product_Table.column("price",width=100)
    self.product_Table.column("qty",width=40)
    self.product_Table.column("status",width=90)
    self.product_Table.pack(fill=BOTH,expand=1)
    self.product_Table.bind("<ButtonRelease-1>",self.get_data)

    lbl_note=Label(ProductFrame1,text="Note:  'Enter 0 Quantity to remove product from the Cart'",font=("goudy old style",12),anchor='w',bg="white",fg="red").pack(side=BOTTOM,fill=X)

    #=======Customer Frame=====
    self.var_cname=StringVar()
    self.var_contact=StringVar()
    CustomerFrame=Frame(self.root,bd=4,relief=RIDGE,bg="white")
    CustomerFrame.place(x=420,y=110,width=530,height=70)

    cTitle=Label(CustomerFrame,text="Customer Details",font=("goudy old style",15),bg="lightgray").pack(side=TOP,fill=X)
    lbl_name=Label(CustomerFrame,text="Name",font=("times new roman",15),bg="white").place(x=5,y=35)
    txt_name=Entry(CustomerFrame,textvariable=self.var_cname,font=("times new roman",13),bg="lightyellow").place(x=80,y=35,width=180)
    
    lbl_contact=Label(CustomerFrame,text="Contact No.",font=("times new roman",15),bg="white").place(x=270,y=35)
    txt_contact=Entry(CustomerFrame,textvariable=self.var_contact,font=("times new roman",13),bg="lightyellow").place(x=380,y=35,width=140)
    
    #=====Cal Cart Frame=========
    Cal_Cart_Frame=Frame(self.root,bd=4,relief=RIDGE,bg="white")
    Cal_Cart_Frame.place(x=420,y=190,width=530,height=360)

    #=====Calculator Frame=========
    self.var_cal_input=StringVar()
    Cal_Frame=Frame(Cal_Cart_Frame,bd=9,relief=RIDGE,bg="white")
    Cal_Frame.place(x=5,y=10,width=268,height=340)

    txt_cal_input=Entry(Cal_Frame,textvariable=self.var_cal_input,font=('arial',15,'bold'),width=21,bd=10,relief=GROOVE,state='readonly',justify=RIGHT)
    txt_cal_input.grid(row=0,columnspan=4)

    btn_7=Button(Cal_Frame,text='7',font=('arial',15,'bold'),command=lambda:self.get_input(7),bd=5,width=4,pady=10,cursor="hand2").grid(row=1,column=0)
    btn_8=Button(Cal_Frame,text='8',font=('arial',15,'bold'),command=lambda:self.get_input(8),bd=5,width=4,pady=10,cursor="hand2").grid(row=1,column=1)
    btn_9=Button(Cal_Frame,text='9',font=('arial',15,'bold'),command=lambda:self.get_input(9),bd=5,width=4,pady=10,cursor="hand2").grid(row=1,column=2)
    btn_sum=Button(Cal_Frame,text='+',font=('arial',15,'bold'),command=lambda:self.get_input('+'),bd=5,width=4,pady=10,cursor="hand2").grid(row=1,column=3)

    btn_4=Button(Cal_Frame,text='4',font=('arial',15,'bold'),command=lambda:self.get_input(4),bd=5,width=4,pady=10,cursor="hand2").grid(row=2,column=0)
    btn_5=Button(Cal_Frame,text='5',font=('arial',15,'bold'),command=lambda:self.get_input(5),bd=5,width=4,pady=10,cursor="hand2").grid(row=2,column=1)
    btn_6=Button(Cal_Frame,text='6',font=('arial',15,'bold'),command=lambda:self.get_input(6),bd=5,width=4,pady=10,cursor="hand2").grid(row=2,column=2)
    btn_sub=Button(Cal_Frame,text='-',font=('arial',15,'bold'),command=lambda:self.get_input('-'),bd=5,width=4,pady=10,cursor="hand2").grid(row=2,column=3)

    btn_1=Button(Cal_Frame,text='1',font=('arial',15,'bold'),command=lambda:self.get_input(1),bd=5,width=4,pady=10,cursor="hand2").grid(row=3,column=0)
    btn_2=Button(Cal_Frame,text='2',font=('arial',15,'bold'),command=lambda:self.get_input(2),bd=5,width=4,pady=10,cursor="hand2").grid(row=3,column=1)
    btn_3=Button(Cal_Frame,text='3',font=('arial',15,'bold'),command=lambda:self.get_input(3),bd=5,width=4,pady=10,cursor="hand2").grid(row=3,column=2)
    btn_mul=Button(Cal_Frame,text='*',font=('arial',15,'bold'),command=lambda:self.get_input('*'),bd=5,width=4,pady=10,cursor="hand2").grid(row=3,column=3)

    btn_0=Button(Cal_Frame,text='0',font=('arial',15,'bold'),command=lambda:self.get_input(0),bd=5,width=4,pady=15,cursor="hand2").grid(row=4,column=0)
    btn_c=Button(Cal_Frame,text='c',font=('arial',15,'bold'),command=self.clear_cal,bd=5,width=4,pady=15,cursor="hand2").grid(row=4,column=1)
    btn_eq=Button(Cal_Frame,text='=',font=('arial',15,'bold'),command=self.perform_cal,bd=5,width=4,pady=15,cursor="hand2").grid(row=4,column=2)
    btn_div=Button(Cal_Frame,text='/',font=('arial',15,'bold'),command=lambda:self.get_input('/'),bd=5,width=4,pady=15,cursor="hand2").grid(row=4,column=3)



    #=====Cart Frame=========
    cart_Frame=Frame(Cal_Cart_Frame,bd=3,relief=RIDGE)
    cart_Frame.place(x=280,y=8,width=245,height=342)
    self.cartTitle=Label(cart_Frame,text="Cart \t Total Product: [0]",font=("goudy old style",15),bg="lightgray")
    self.cartTitle.pack(side=TOP,fill=X)


    scrolly=Scrollbar(cart_Frame,orient=VERTICAL)
    scrollx=Scrollbar(cart_Frame,orient=HORIZONTAL)
    
    self.CartTable=ttk.Treeview(cart_Frame,columns=("pid","name","price","qty"),yscrollcommand=scrolly.set,xscrollcommand=scrollx.set)
    scrollx.pack(side=BOTTOM,fill=X)
    scrolly.pack(side=RIGHT,fill=Y)
    scrollx.config(command=self.CartTable.xview)
    scrolly.config(command=self.CartTable.yview)

    self.CartTable.heading("pid",text="PID")
    self.CartTable.heading("name",text="Name")
    self.CartTable.heading("price",text="Price")
    self.CartTable.heading("qty",text="QTY")
    self.CartTable["show"]="headings"
    self.CartTable.column("pid",width=40)
    self.CartTable.column("name",width=90)
    self.CartTable.column("price",width=90)
    self.CartTable.column("qty",width=40)
    self.CartTable.pack(fill=BOTH,expand=1)
    self.CartTable.bind("<ButtonRelease-1>",self.get_data_cart)

    #=====ADD Cart Widgets Frame========
    self.var_pid=StringVar()
    self.var_pname=StringVar()
    self.var_price=StringVar()
    self.var_qty=StringVar()
    self.var_status=StringVar()

    Add_CartWidgetsFrame=Frame(self.root,bd=4,relief=RIDGE,bg="white")
    Add_CartWidgetsFrame.place(x=420,y=550,width=530,height=110)

    lbl_p_name=Label(Add_CartWidgetsFrame,text="Product Name",font=("times new roman",15),bg="white").place(x=5,y=5)
    txt_p_name=Entry(Add_CartWidgetsFrame,textvariable=self.var_pname,font=("times new roman",15),bg="lightyellow",state='readonly').place(x=5,y=35,width=190,height=22)
    
    lbl_p_price=Label(Add_CartWidgetsFrame,text="Price Per Qty",font=("times new roman",15),bg="white").place(x=230,y=5)
    txt_p_price=Entry(Add_CartWidgetsFrame,textvariable=self.var_price,font=("times new roman",15),bg="lightyellow",state='readonly').place(x=230,y=35,width=150,height=22)
    
    lbl_p_qty=Label(Add_CartWidgetsFrame,text="Quantity",font=("times new roman",15),bg="white").place(x=390,y=5)
    txt_p_qty=Entry(Add_CartWidgetsFrame,textvariable=self.var_qty,font=("times new roman",15),bg="lightyellow",).place(x=390,y=35,width=120,height=22)
    
    self.lbl_instatus=Label(Add_CartWidgetsFrame,text="In status",font=("times new roman",15),bg="white")
    self.lbl_instatus.place(x=5,y=70)

    btn_clear_cart=Button(Add_CartWidgetsFrame,text="Clear",command=self.clear_cart,font=("times new roman",15,"bold"),bg="lightgray",cursor="hand2").place(x=180,y=70,width=150,height=30)
    btn_add_cart=Button(Add_CartWidgetsFrame,text="Add | Update Cart",command=self.add_update_cart,font=("times new roman",15,"bold"),bg="orange",cursor="hand2").place(x=340,y=70,width=180,height=30)


    #=================Billing Area=============================
    billFrame=Frame(self.root,bd=2,relief=RIDGE,bg='white')
    billFrame.place(x=953,y=110,width=410,height=410)

    BTitle=Label(billFrame,text="Customer Bill Area",font=("goudy old style",20,"bold"),bg="#f44336",fg="white").pack(side=TOP,fill=X)
    scrolly=Scrollbar(billFrame,orient=VERTICAL)
    scrolly.pack(side=RIGHT,fill=Y)

    self.txt_bill_area=Text(billFrame,yscrollcommand=scrolly.set)
    self.txt_bill_area.pack(fill=BOTH,expand=1)
    scrolly.config(command=self.txt_bill_area.yview)

    #=================Biling Buttons==================
    billMenuFrame=Frame(self.root,bd=2,relief=RIDGE,bg='white')
    billMenuFrame.place(x=953,y=520,width=410,height=140)

    self.lbl_amnt=Label(billMenuFrame,text='Bill Amount\n[0]',font=("goudy old style",15,"bold"),bg="#3f51b5",fg="white")
    self.lbl_amnt.place(x=2,y=5,width=120,height=70)

    self.lbl_discount=Label(billMenuFrame,text='Discount \n[5%]',font=("goudy old style",15,"bold"),bg="#8bc34a",fg="white")
    self.lbl_discount.place(x=124,y=5,width=120,height=70)

    self.lbl_net_pay=Label(billMenuFrame,text='Net Pay\n[0]',font=("goudy old style",15,"bold"),bg="#607d8b",fg="white")
    self.lbl_net_pay.place(x=246,y=5,width=120,height=70)


    btn_print=Button(billMenuFrame,text='Print',command=self.print_bill,cursor='hand2',font=("goudy old style",15,"bold"),bg="lightgreen",fg="white")
    btn_print.place(x=2,y=80,width=120,height=50)

    btn_clear_all=Button(billMenuFrame,text='Clear All',command=self.clear_all,cursor='hand2',font=("goudy old style",15,"bold"),bg="gray",fg="white")
    btn_clear_all.place(x=124,y=80,width=120,height=50)

    btn_generate=Button(billMenuFrame,text='Generate/Save Bill',command=self.generate_bill,cursor='hand2',font=("goudy old style",15,"bold"),bg="#009688",fg="white")
    btn_generate.place(x=246,y=80,width=160,height=50)


    #=====Footer===================
    footer=Label(self.root,text="IMS-Inventory Management System | Developed By Ralph\n FOr any Technical Issue contact us",font=("times new roman",11),bg="#4d636d",fg="white").pack(side=BOTTOM,fill=X)

    self.show()
    #self.bill_top()
    self.update_date_time()

#====================================All Functions===============================

def get_input(self,num):
    xnum=self.var_cal_input.get()+str(num)
    self.var_cal_input.set(xnum)

def clear_cal(self):
    self.var_cal_input.set('')

def perform_cal(self):
    result=self.var_cal_input.get()
    self.var_cal_input.set(eval(result))

def show(self):
    con=sqlite3.connect(database=r'ims.db')
    cur=con.cursor()
    try:
        cur.execute("select pid,name,price,qty,status from product where status='Active'")
        rows=cur.fetchall()
        self.product_Table.delete(*self.product_Table.get_children())
        for row in rows:
            self.product_Table.insert('',END,values=row)

    except Exception as ex:    
            messagebox.showerror("Error",f"Error due to : {str(ex)}",parent=self.root)


def search(self):
    con=sqlite3.connect(database=r'ims.db')
    cur=con.cursor()
    try:
        if self.var_search.get()=="":
            messagebox.showerror("Error","Search input should be required",parent=self.root)

        else:    
            cur.execute("select  pid,name,price,qty,status from product where name LIKE '%"+self.var_search.get()+"%' and status='Active'")
            rows=cur.fetchall()
            if len(rows)!=0:
                self.product_Table.delete(*self.product_Table.get_children())
                for row in rows:
                    self.product_Table.insert('',END,values=row)
            else:
                messagebox.showerror("Error","No record found!!",parent=self.root)
    except Exception as ex:    
        messagebox.showerror("Error",f"Error due to : {str(ex)}",parent=self.root)


def get_data(self,ev):
    f=self.product_Table.focus()
    content=(self.product_Table.item(f))
    row=content['values']
    self.var_pid.set(row[0])
    self.var_pname.set(row[1])
    self.var_price.set(row[2])
    self.lbl_instatus.config(text=f"In status [{str(row[3])}]")
    self.var_status.set(row[3])
    self.var_qty.set('1')

def get_data_cart(self,ev):
    f=self.CartTable.focus()
    content=(self.CartTable.item(f))
    row=content['values']
    self.var_pid.set(row[0])
    self.var_pname.set(row[1])
    self.var_price.set(row[2])
    self.var_qty.set(row[3])
    self.lbl_instatus.config(text=f"In status [{str(row[4])}]")
    self.var_status.set(row[4])



def add_update_cart(self):
    if self.var_pid.get()=='':
        messagebox.showerror('Error',"Please select product from the list",parent=self.root)
    elif self.var_qty.get()=='':
        messagebox.showerror('Error',"Invalid Quantity",parent=self.root)

    elif int(self.var_qty.get())>int(self.var_status.get()):
        

        messagebox.showerror('Error',"Quantity is Required",parent=self.root)


    else:
        #price_cal=int(self.var_qty.get())*float(self.var_price.get())
        #price_cal=float(price_cal)
        price_cal=self.var_price.get()
        cart_data=[self.var_pid.get(),self.var_pname.get(),price_cal,self.var_qty.get(),self.var_status.get()]
        #========update_cart=========
        present='no'
        index_=0
        for row in self.cart_list:
            if self.var_pid.get()==row[0]:
                present='yes'
                break
            index_+=1
        if present=='yes':
            op=messagebox.askyesno('Confirm',"Product already present\n Do you want to Update| Remove from the Cart List",parent=self.root)
            if op==True:
                if self.var_qty.get()=="0":
                    self.cart_list.pop(index_)
                else:
                    #self.cart_list[index_][2]=price_cal #price
                    self.cart_list[index_][3]=self.var_qty.get() #qty
        else:
            self.cart_list.append(cart_data)
        self.show_cart()
        self.bill_updates()

def bill_updates(self):
    self.bill_amnt=0
    self.net_pay=0
    self.lbl_discount=0
    for row in self.cart_list:
        self.bill_amnt=self.bill_amnt+(float(row[2]))*int(row[3])

    self.discount=(self.bill_amnt*5)/100
    self.net_pay=self.bill_amnt-self.discount
    self.lbl_amnt.config(text=f'Bill Amnt\n{str(self.bill_amnt)}')
    self.lbl_net_pay.config(text=f'Net Pay\n{str(self.net_pay)}')
    self.cartTitle.config(text=f"Cart \t Total Product: [{str(len(self.cart_list))}]")

def show_cart(self):
        try:
            self.CartTable.delete(*self.CartTable.get_children())
            for row in self.cart_list:
                self.CartTable.insert('',END,values=row)
        except Exception as ex:    
            messagebox.showerror("Error",f"Error due to : {str(ex)}",parent=self.root)

def generate_bill(self):
    if self.var_cname.get()==''or self.var_contact.get()=='':
        messagebox.showerror("Error",f"Customer Details are required",parent=self.root)
    elif len(self.cart_list)==0:
        messagebox.showerror("Error",f"Please Add product to the Cart!!!",parent=self.root)
    else:
        #========Bill Top=========
        self.bill_top()
        #========Bill Middle=========
        self.bill_middle()
        #========Bill Bottom=========
        self.bill_bottom()
         
        fp=open(f'bill/{str(self.invoice)}.txt','w')
        fp.write(self.txt_bill_area.get('1.0',END))
        fp.close()
        messagebox.showinfo('Saved',"Bill has been generated/Saved in Backend",parent=self.root)
        self.chk_print=1


def bill_top(self):
    self.invoice=int(time.strftime("%H%M%S"))+int(time.strftime("%d%m%Y"))
    bill_top_temp=f'''

\t\tXYZ- Inventory
\t Phone No. 094541****** , PORO-123123
{str("="*47)}
Customer Name: {self.var_cname.get()}
Ph no. : {self.var_contact.get()}
Bill No. {str(self.invoice)}\t\t\tDate: {str(time.strftime("%d/%m/%Y"))}
{str("="*47)}
Product Name \t\t\tQTY\tPrice
{str("="*47)}
'''
self.txt_bill_area.delete('1.0',END)
self.txt_bill_area.insert('1.0',bill_top_temp)

def bill_bottom(self):
    bill_bottom_temp=f'''

{str("="*47)}
Bill Amount\t\t\t\tRs.{self.bill_amnt}
Discount\t\t\t\tRs.{self.discount}
Net Pay\t\t\t\tRs.{self.net_pay}
{str("="*47)}\n
'''
self.txt_bill_area.insert(END,bill_bottom_temp)

def bill_middle(self):
    con=sqlite3.connect(database=r'ims.db')
    cur=con.cursor()
    try:   
        for row in self.cart_list:
            pid=row[0]
            name=row[1]
            qty=int(row[4])-int(row[3])
            if int(row[3])==int(row[4]):
                status='Inactive'
            if int(row[3])!=int(row[4]):
                status='Active'
                
            price=float(row[2])*int(row[3])
            price=str(price)
            self.txt_bill_area.insert(END,"\n "+name+"\t\t\t"+row[3]+"\tRs."+price)
            #============ update qty in product table========
            cur.execute('Update product set qty=?,status=? where pid=?',(
                qty,
                status,
                pid
            )) 
            con.commit()
        con.close()
        self.show()
    except Exception as ex:    
            messagebox.showerror("Error",f"Error due to : {str(ex)}",parent=self.root)




def clear_cart(self):
    self.var_pid.set('')
    self.var_pname.set('')
    self.var_price.set('')
    self.lbl_instatus.config(text=f"In status ")
    self.var_status.set('')
    self.var_qty.set('')

def clear_all(self):
    del self.cart_list[:]
    self.var_cname.set('')
    self.var_contact.set('')
    self.txt_bill_area.delete('1.0',END)
    self.cartTitle.config(text=f"Cart \t Total Product: [0]")
    self.var_search.set('')
    self.clear_cart()
    self.show()
    self.show.cart()


def update_date_time(self):
    time_=time.strftime("%I:%M:%S")
    date_=time.strftime("%d:%m:%Y")
    self.lbl_clock.config(text=f"Welcome to Inventory Management System\t\t Date: {str(date_)}\t\t Time: {str(time_)}")
    self.lbl_clock.after(200,self.update_date_time)

def print_bill(self):
    if self.chk_print==1:
        messagebox.showinfo('Print', "Please wait while printing", parent=self.root)
        new_file=tempfile.mktemp('.txt')
        open(new_file,'w').write(self.txt_bill_area.get('1.0',END))
        os.startfile(new_file,'print')
    else:
        messagebox.showerror('Print', "Please generate bill, to print the receipt", parent=self.root)
    
def logout(self):
    self.root.destroy()
    os.system("python login.py")

if name=="main":
root=Tk()
obj=BillClass(root)
root.mainloop()

[TheShakk]

[tymwitko]

I don't know how you stumbled upon this repo, as your issue is completely unrelated (I don't think you're even using seamseg). What you're looking for are floats. When you're comparing elif int(self.var_qty.get())>int(self.var_status.get()): you're essentially trying to create two new int objects, but ints can only be whole, so what you need is elif float(str(self.var_qty.get()))>float(str(self.var_status.get())): - the str part is responsible for converting numbers to strings, which can only then be converted to floats