ColorConvert

import os
import ctypes

# Code by OfficialMango

os.system('cls')
ctypes.windll.kernel32.SetConsoleTitleA("ColorConvert by OfficialMango")

class Frontend():
    def menu(self):
        while(True):
            os.system('cls')
            message = '''
            Welcome to ColorConvert!

            Type a number and hit ENTER!

            1. Convert HEX to FLOAT
            2. Convert FLOAT to HEX

            Note: If you ever wish to return here, simply type "menu"

            '''
            usr_input = raw_input(message)
            if str(usr_input) == '1':
                os.system('cls')
                return True
            elif str(usr_input) == '2':
                os.system('cls')
                return False

class HexToFloat():
    def rgbconvert(self,_value):
        _value = float(_value) / float(255)
        return _value ** 2.2

    def menu(self):
        while(True):
            h = raw_input('Enter hex: ').lstrip('#')
            if h == 'menu' or h == 'home':
                os.system('cls')
                Frontend.menu()
            else:
                os.system('cls')
                try:
                    r, g, b = tuple(int(h[i:i+2], 16) for i in (0, 2 ,4))
                    print('RGB =', r, g, b)
                    print('Float Red =', self.rgbconvert(r))
                    print('Float Green =', self.rgbconvert(g))
                    print('Float Blue =', self.rgbconvert(b))
                except:
                    print('Invalid input, maybe not a valid Hex color?')

class FloatToHex():

    def checkInput(self,_input):
        if _input == 'menu' or _input == 'home':
            os.system('cls')
            Frontend.menu()
        else:
            pass

    def castInput(self,_value):
        x = float(_value)**(1/2.2)
        y = float(x)*255
        return y

    def menu(self):
        while(True):
            #Red
            float_red = raw_input('Insert red float value: ')
            self.checkInput(float_red)
            try:
                _red = self.castInput(float_red)
            except:
                print 'Invalid Input'

            #Green
            float_green = raw_input('Insert green float value')
            self.checkInput(float_green)
            try:
                _green = self.castInput(float_green)
            except:
                print 'Invalid Input'

            #Blue
            float_blue = raw_input('Insert blue float value')
            self.checkInput(float_blue)
            try:
                _blue = self.castInput(float_blue)
            except:
                print 'Invalid Input'
            print _red
            print _green
            print _blue

Frontend = Frontend()
if Frontend.menu() == True:
    HexToFloat = HexToFloat()
    HexToFloat.menu()
else:
    FloatToHex = FloatToHex()
    FloatToHex.menu()