calcu ACME

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
"""

Instalación de pyinstaller:

    python -m pip install pyinstaller

# Dentro de la carpeta donde tengo el archivo desde CMD, ejecutar

    pyinstaller --onefile --noconsole calcu.py

"""



import tkinter as tk
from math import sqrt, factorial , pi

def clic(tecla):
    global cuenta_consola
    cuenta_consola = cuenta_consola + tecla
    cuenta.set(cuenta_consola)


def borrar_pantalla():
    global cuenta_consola
    cuenta_consola = ""
    cuenta.set("0")



def hacer_cuenta():
    global cuenta_consola
    try:
        total = str(eval(cuenta_consola))
        cuenta.set(total)
    except Exception:
        borrar_pantalla()
        cuenta.set("ERROR")

def borrar_caracter():
    global cuenta_consola
    cuenta_consola = cuenta_consola[:-1]
    cuenta.set(cuenta_consola)


calculadora = tk.Tk()
calculadora.title("Calculadora ACME")
calculadora.config(width=390, height=600, bg="Light Steel Blue")
calculadora.resizable(0,0)
# calculadora.iconbitmap("icono.ico")


# variable para mostrar la cuenta en la pantalla
cuenta = tk.StringVar()

# variable para hacer la cuenta en la consola
cuenta_consola = ""

borrar_pantalla()

# Creo la pantalla
pantalla = tk.Entry(
            font = ('arial', 20, 'bold'),
            width = 20,
            bd = 15,
            bg = 'powder blue',
            justify = 'right',
            state = tk.DISABLED,
            textvariable = cuenta
        )
pantalla.place(x=25, y=50)

# defino las dimensiones de las teclas
ancho = 10
alto = 2

######### Teclas  ########################

b = tk.Button(text="DEL", width=ancho, height=alto, bg="medium aquamarine", command=borrar_caracter)
b.place(x=287, y=140)

### Primera fila: 1 2 3 +
b = tk.Button(text="1", width=ancho, height=alto, command=lambda:clic("1"))
b.place(x=17, y=200)
b = tk.Button(text="2", width=ancho, height=alto, command=lambda:clic("2"))
b.place(x=107, y=200)
b = tk.Button(text="3", width=ancho, height=alto, command=lambda:clic("3"))
b.place(x=197, y=200)
b = tk.Button(text="+", width=ancho, height=alto, bg="SteelBlue", command=lambda:clic("+"))
b.place(x=287, y=200)

### Segunda fila 4 5 6 -
b = tk.Button(text="4", width=ancho, height=alto, command=lambda:clic("4"))
b.place(x=17, y=260)
b = tk.Button(text="5", width=ancho, height=alto, command=lambda:clic("5"))
b.place(x=107, y=260)
b = tk.Button(text="6", width=ancho, height=alto, command=lambda:clic("6"))
b.place(x=197, y=260)
b = tk.Button(text="-", width=ancho, height=alto, bg="SteelBlue", command=lambda:clic("-"))
b.place(x=287, y=260)

### Tercera fila: 7 8 9 x
b = tk.Button(text="7", width=ancho, height=alto, command=lambda:clic("7"))
b.place(x=17, y=320)
b = tk.Button(text="8", width=ancho, height=alto, command=lambda:clic("8"))
b.place(x=107, y=320)
b = tk.Button(text="9", width=ancho, height=alto, command=lambda:clic("9"))
b.place(x=197, y=320)
b = tk.Button(text="x", width=ancho, height=alto, bg="SteelBlue", command=lambda:clic("*"))
b.place(x=287, y=320)

### Cuarta fila: ( 0 ) /
b = tk.Button(text="(", width=ancho, height=alto, bg="Sky Blue", command=lambda:clic("("))
b.place(x=17, y=380)
b = tk.Button(text="0", width=ancho, height=alto, command=lambda:clic("0"))
b.place(x=107, y=380)
b = tk.Button(text=")", width=ancho, height=alto, bg="Sky Blue", command=lambda:clic(")"))
b.place(x=197, y=380)
b = tk.Button(text="/", width=ancho, height=alto, bg="SteelBlue", command=lambda:clic("/"))
b.place(x=287, y=380)


### Quinta fila: Raiz Coma decimal potencia  resto
b = tk.Button(text="\u221A", width=ancho, height=alto, bg="Sky Blue", command=lambda:clic("sqrt("))
b.place(x=17, y=440)
b = tk.Button(text=".", width=ancho, height=alto, bg="SteelBlue", command=lambda:clic("."))
b.place(x=107, y=440)
b = tk.Button(text="pow", width=ancho, height=alto, bg="Sky Blue", command=lambda:clic("**"))
b.place(x=197, y=440)
b = tk.Button(text="%", width=ancho, height=alto, bg="Sky Blue", command=lambda:clic("%"))
b.place(x=287, y=440)

### Sexta fila: Clear Factorial PI =
b = tk.Button(text="CL", width=ancho, height=alto, bg="medium aquamarine", command=borrar_pantalla)
b.place(x=17, y=500)
b = tk.Button(text="!", width=ancho, height=alto, bg="Sky Blue", command=lambda:clic("factorial("))
b.place(x=107, y=500)
b = tk.Button(text="\u03C0", width=ancho, height=alto, bg="Sky Blue", command=lambda:clic(str(pi)))
b.place(x=197, y=500)
b = tk.Button(text="=", width=ancho, height=alto, bg="medium aquamarine", command=hacer_cuenta)
b.place(x=287, y=500)


calculadora.mainloop()