'''
Currency Converter App
Fetches real-time exchange rates online and provides a modern and intuitive GUI.
Author: Programmer
'''
import tkinter as tk
import requests
class CurrencyConverterApp:
def __init__(self):
self.window = tk.Tk()
self.window.title("Currency Converter")
self.amount_label = tk.Label(self.window, text="Amount:")
self.amount_label.pack()
self.amount_entry = tk.Entry(self.window)
self.amount_entry.pack()
self.from_currency_label = tk.Label(self.window, text="From Currency:")
self.from_currency_label.pack()
self.from_currency_entry = tk.Entry(self.window)
self.from_currency_entry.pack()
self.to_currency_label = tk.Label(self.window, text="To Currency:")
self.to_currency_label.pack()
self.to_currency_entry = tk.Entry(self.window)
self.to_currency_entry.pack()
self.convert_button = tk.Button(self.window, text="Convert", command=self.convert)
self.convert_button.pack()
self.result_label = tk.Label(self.window, text="")
self.result_label.pack()
def run(self):
self.window.mainloop()
def convert(self):
amount = float(self.amount_entry.get())
from_currency = self.from_currency_entry.get().upper()
to_currency = self.to_currency_entry.get().upper()
if from_currency == to_currency:
self.result_label.config(text="Cannot convert between the same currency.")
return
try:
response = requests.get(f"https://api.exchangerate-api.com/v4/latest/{from_currency}")
response.raise_for_status() # Add this line to raise an exception if the request fails
exchange_rates = response.json()["rates"]
if to_currency in exchange_rates:
converted_amount = amount * exchange_rates[to_currency]
self.result_label.config(text=f"{amount} {from_currency} = {converted_amount} {to_currency}")
else:
self.result_label.config(text=f"Invalid currency: {to_currency}")
except requests.exceptions.RequestException as e:
self.result_label.config(text="Failed to fetch exchange rates. Please try again later.")
print(f"RequestException: {e}")
except requests.exceptions.HTTPError as e:
self.result_label.config(text="Failed to fetch exchange rates. Please try again later.")
print(f"HTTPError: {e}")
if __name__ == "__main__":
app = CurrencyConverterApp()
app.run()
