Currency Converter using Python Source code

In this article, we will be creating a Currency Converter using Python. the Currency converter In Python is a simple project using Python. This project is a GUI application that converts Currency from one Currency to another (euros and pounds). Also, this app is capable of handling all types of exceptions. This python project is an interesting useful project.

Talking about the features of this Python App System, this python application is designed to convert entered numbers from one Currency to another Currency and it is capable of handling all types of exceptions. Module Used – Tkinter()-It is a standard Python interface to the Tk GUI toolkit shipped with Python. Python with tkinter outputs the easiest and fastest way to create the GUI applications. The design of this Python APP is pretty simple so that the user won’t get any problems or difficulties while working on it.

Project: Currency Converter using Python With Source Code

from tkinter import *
import time
from datetime import datetime
# Converts between Euros (€) and Pounds (£)
class CurrencyConverter:

    def __init__(self, master):
        master.title("Currency converter")
        # Variables for toggling between EUR and GBP
        self.dateText = StringVar()
        self.fromCurrency = StringVar()
        self.fromCurrency.set("€")
        self.toCurrency = StringVar()
        self.toCurrency.set("£")
        self.multiplier = DoubleVar()

        # Radiobutton selected value
        self.cur = DoubleVar()

        # Result value
        self.result = IntVar()
        self.result.set(0)

        # Time
        self.today = datetime.now()
        formatToday = self.today.strftime("%A, %d, %B, %Y, %H:%M:%S")
        self.dateText.set(formatToday)
        print(self.today.strftime("%A, %d, %B, %Y"))

        # Body for widgets
        content = Frame(master, padx = 100, pady = 30)
        content.grid(row = 0, column = 0)
        content.rowconfigure(2, pad = 30)
        content.rowconfigure(3, pad = 10)
        content.rowconfigure(4, pad = 30)

        header = Label(content, text = "Exchange rate at:")
        header.grid(row = 0, column = 0)
        dateLabel = Label(content, textvariable = self.dateText)
        dateLabel.grid(row = 1, column = 0)

        # Frame for user value input
        convertFrame = Frame(content, padx = 10, pady = 10, borderwidth = 1, relief = RAISED)
        convertFrame.grid(row = 2, column = 0)

        self.convertAmount = Spinbox(convertFrame, from_ = 0, to = 1000000000, justify = RIGHT, width = 12)
        self.convertAmount.grid(sticky = 'w', row = 2, column = 0)

        convertAmountLabel = Label(convertFrame, textvariable = self.fromCurrency)
        convertAmountLabel.grid(sticky = 'w', row = 2, column = 1)

        convertEquals = Label(convertFrame, text = " = ")
        convertEquals.grid(row = 2, column = 2)

        toAmount = Label(convertFrame, textvariable = self.result)
        toAmount.grid(row = 2, column = 3)

        toAmountLabel = Label(convertFrame, textvariable = self.toCurrency)
        toAmountLabel.grid(row = 2, column = 4)

        convertButton = Button(content, text = "Convert", command = self.convert)
        convertButton.grid(row = 3, column = 0)

        # Frame for radiobuttons
        radioFrame = Frame(content, padx = 10, pady = 10, relief = RAISED, borderwidth = 1)
        radioFrame.grid(row = 4, column = 0)

        radioLabel = Label(radioFrame, text = "Direction")
        radioLabel.grid(row = 0, column = 0)

        eurosButton = Radiobutton(radioFrame, text = "€ -> £", variable = self.cur, value = 0.854392253, command = self.locale)
        eurosButton.grid(row = 1, column = 0)

        poundsButton = Radiobutton(radioFrame, text = "£ -> €", variable = self.cur, value = 1.17056049, command = self.locale)
        poundsButton.grid(row = 1, column = 1)
    
    # Converts given amount with hardcoded modifiers
    def convert(self):
        getMultiplier = self.cur.get()
        self.multiplier.set(getMultiplier)
        fromValue = self.convertAmount.get()
        self.result.set(round(int(fromValue) * self.multiplier.get(),4))

    # Localizes UI depending on selected exchange
    def locale(self):
        if self.cur.get() == 0.854392253:
            self.fromCurrency.set("€")
            self.toCurrency.set("£")
            self.convert()
            formatToday = self.today.strftime("%A, %d, %B, %Y, %H:%M:%S")
            self.dateText.set(formatToday)

        if self.cur.get() == 1.17056049:
            self.fromCurrency.set("£")
            self.toCurrency.set("€")
            self.convert()
            formatToday = self.today.strftime("%A, %B, %d, %Y, %I:%M:%S %p")
            self.dateText.set(formatToday)

root = Tk()
app = CurrencyConverter(root)

root.mainloop()

Output

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