#!/usr/bin/env python
# -*- coding: utf-8 -*-
import tkinter as tk
from tkinter import Tk, filedialog, messagebox, ttk
from forex_python.converter import CurrencyRates, CurrencyCodes
import os
import threading
class Currency_calc:
def __init__(self):
self.rates = CurrencyRates()
self.symbols = CurrencyCodes()
self.root = Tk()
self.root.title("Currency Calculator") self.root.geometry("541x530") self.root.resizable(height=tk.FALSE,width=tk.FALSE)
self.currencies = {'US Dollar':'USD','Euro':'EUR','Canadian Dollar':'CAD','Pound':'GBP', 'Japanese Yen':'JPY','Australian Dollar':'AUD','New Zeland Dollar':'NZD',
'Swiss Franc':'CHF','Hong Kong Dollar':'HKD','Swedish Crown':'SEK',
'Norwegian Crown':'NOK','Dannish Crown':'DKK','Chinese Yuan':'CNY',
'Mexican Peso':'MXN','Turkish Lira':'TRY','South African Rand':'ZAR',
'Polish Zloty':'PLN','Hungarian Forint':'HUF','Taiwan Dollar':'TWD',
'Indian Rupee':'INR','Singapore Dollar':'SGD','Philippine Peso':'PHP',
'Brazilian Real':'BRL','Indonesian Rupiah':'IDR','Thai Baht':'THB'}
sorted_currencies = sorted(self.currencies.keys()) # EN ORDEN ALFABETICO
# Mostrar directorio de ejecución
self.current_dir = tk.StringVar()
self.current_dir.set(os.getcwd())
entry_dir = tk.Entry(self.root,textvariable=self.current_dir,width=90)
entry_dir.place(x=0,y=0)
# Listas desplegables
self.currency_selector = ttk.Combobox(self.root,width=30)
self.currency_selector["values"] = sorted_currencies
self.currency_selector.set('US Dollar') self.currency_selector.place(x=20, y=80)
tk.Label(self.root,text="TO",width=5,font=('Arial',10,"bold")).place(x=246,y=80) self.ex_label = tk.Label(self.root,text="",width=30,font=('Arial',10),fg="red",anchor="w") self.ex_label.place(x=16,y=120)
self.currency_selector2 = ttk.Combobox(self.root,width=30)
self.currency_selector2["values"] = sorted_currencies
self.currency_selector2.set('Euro') self.currency_selector2.place(x=317, y=80)
# Entrada de cantidad y etiqueta para resultado
self.amount = tk.StringVar()
self.amount.set("") self.amount_entry = tk.Entry(self.root,textvariable=self.amount,width=33,font=('Arial',20,"bold")) self.amount_entry.place(x=20, y=140)
self.result_label = tk.Label(self.root,width=29,font=('Arial',20,"bold"),bg="bisque") self.result_label.place(x=20,y=190)
# Botones
tk.Button(self.root,text="7",width=21,height=2,command=lambda:self.btnClick('7')).place(x=20,y=245) tk.Button(self.root,text="8",width=21,height=2,command=lambda:self.btnClick('8')).place(x=192,y=245) tk.Button(self.root,text="9",width=21,height=2,command=lambda:self.btnClick('9')).place(x=362,y=245) tk.Button(self.root,text="4",width=21,height=2,command=lambda:self.btnClick('4')).place(x=20,y=300) tk.Button(self.root,text="5",width=21,height=2,command=lambda:self.btnClick('5')).place(x=192,y=300) tk.Button(self.root,text="6",width=21,height=2,command=lambda:self.btnClick('6')).place(x=362,y=300) tk.Button(self.root,text="1",width=21,height=2,command=lambda:self.btnClick('1')).place(x=20,y=355) tk.Button(self.root,text="2",width=21,height=2,command=lambda:self.btnClick('2')).place(x=192,y=355) tk.Button(self.root,text="3",width=21,height=2,command=lambda:self.btnClick('3')).place(x=362,y=355) tk.Button(self.root,text="RESET",width=21,height=2,command=self.reset_display).place(x=20,y=410)
tk.Button(self.root,text="0",width=21,height=2,command=lambda:self.btnClick('0')).place(x=192,y=410) tk.Button(self.root,text=".",width=21,height=2,command=lambda:self.btnClick('.')).place(x=362,y=410)
tk.Button(self.root,text="CALCULATE",width=70,height=2,command=self.init_task).place(x=20,y=465)
self.root.mainloop()
# Definir cantidad y mostrarl en el entry
def btnClick(self,num):
if num == "." and "." in self.amount_entry.get():
return
self.amount.set(self.amount_entry.get() + num)
# Resetear display
def reset_display(self):
self.amount.set("")
# Define ticker
def create_ticker(self):
t1 = self.currencies[self.currency_selector.get()]
t2 = self.currencies[self.currency_selector2.get()]
return t1, t2
# Descarga tipo de cambio actualizado y realiza multiplicación
def calculate(self):
try:
amount = float(self.amount.get())
ticker1, ticker2 = self.create_ticker()
ticker2_symbol = self.symbols.get_symbol(ticker2)
currency_rate = str(self.rates.get_rate(ticker1,ticker2))
self.ex_label.configure(text=f'RATE ({ticker1}/{ticker2}) = {currency_rate}') total = self.rates.convert(ticker1, ticker2, amount)
self.result_label.configure(text=str(round(total,4))+" "+ticker2_symbol)
except Exception as e:
messagebox.showwarning("ERROR",str(e)) self.result_label.configure(text="")
# Inicia la ejecución de la función 'calculate()'
def init_task(self):
self.ex_label.configure(text="")
if self.currency_selector.get() != "" and self.currency_selector2.get() != "":
if self.amount_entry.get() != "":
self.result_label.configure(text="CALCULATING...")
task = threading.Thread(target=self.calculate)
task.start()
else:
messagebox.showwarning("ERROR","Enter amount for conversion") else:
messagebox.showwarning("ERROR","No currencies selected")
if __name__ == '__main__':
Currency_calc()
Crear cuenta
Comentarios sobre la versión: 1.1 (1)
Me interesa utilizar la base de la interfaz para un proyecto de calculadora de operaciones básica, te agradecería mucho.
Te felicito, un gran trabajo.
Espero una pronta respuesta.