PYculator GTK 2.0 (2007)

calc.glade

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE glade-interface SYSTEM "glade-2.0.dtd">
<!--Generated with glade3 3.3.4 on Mon Sep 10 16:47:51 2007 -->
<glade-interface>
  <widget class="GtkWindow" id="calc">
    <property name="width_request">275</property>
    <property name="height_request">250</property>
    <child>
      <widget class="GtkVBox" id="vbox1">
        <property name="visible">True</property>
        <child>
          <widget class="GtkMenuBar" id="menubar1">
            <property name="visible">True</property>
            <child>
              <widget class="GtkMenuItem" id="menuitem2">
                <property name="visible">True</property>
                <property name="label" translatable="yes">_Edit</property>
                <property name="use_underline">True</property>
                <child>
                  <widget class="GtkMenu" id="menu2">
                    <property name="visible">True</property>
                    <child>
                      <widget class="GtkImageMenuItem" id="imagemenuitem6">
                        <property name="visible">True</property>
                        <property name="label" translatable="yes">gtk-cut</property>
                        <property name="use_underline">True</property>
                        <property name="use_stock">True</property>
                      </widget>
                    </child>
                    <child>
                      <widget class="GtkImageMenuItem" id="imagemenuitem7">
                        <property name="visible">True</property>
                        <property name="label" translatable="yes">gtk-copy</property>
                        <property name="use_underline">True</property>
                        <property name="use_stock">True</property>
                      </widget>
                    </child>
                    <child>
                      <widget class="GtkImageMenuItem" id="imagemenuitem8">
                        <property name="visible">True</property>
                        <property name="label" translatable="yes">gtk-paste</property>
                        <property name="use_underline">True</property>
                        <property name="use_stock">True</property>
                      </widget>
                    </child>
                    <child>
                      <widget class="GtkImageMenuItem" id="imagemenuitem9">
                        <property name="visible">True</property>
                        <property name="label" translatable="yes">gtk-delete</property>
                        <property name="use_underline">True</property>
                        <property name="use_stock">True</property>
                      </widget>
                    </child>
                  </widget>
                </child>
              </widget>
            </child>
            <child>
              <widget class="GtkMenuItem" id="menuitem3">
                <property name="visible">True</property>
                <property name="label" translatable="yes">_View</property>
                <property name="use_underline">True</property>
              </widget>
            </child>
            <child>
              <widget class="GtkMenuItem" id="menuitem4">
                <property name="visible">True</property>
                <property name="label" translatable="yes">_Help</property>
                <property name="use_underline">True</property>
                <child>
                  <widget class="GtkMenu" id="menu3">
                    <property name="visible">True</property>
                    <child>
                      <widget class="GtkImageMenuItem" id="imagemenuitem10">
                        <property name="visible">True</property>
                        <property name="label" translatable="yes">gtk-about</property>
                        <property name="use_underline">True</property>
                        <property name="use_stock">True</property>
                      </widget>
                    </child>
                  </widget>
                </child>
              </widget>
            </child>
          </widget>
          <packing>
            <property name="expand">False</property>
          </packing>
        </child>
        <child>
          <widget class="GtkEntry" id="display">
            <property name="visible">True</property>
            <property name="editable">False</property>
            <property name="xalign">1</property>
          </widget>
          <packing>
            <property name="expand">False</property>
            <property name="position">1</property>
          </packing>
        </child>
        <child>
          <widget class="GtkHBox" id="hbox1">
            <property name="height_request">35</property>
            <property name="visible">True</property>
            <child>
              <widget class="GtkToggleButton" id="memoryStatus">
                <property name="width_request">4</property>
                <property name="visible">True</property>
                <property name="sensitive">False</property>
                <property name="focus_on_click">False</property>
                <property name="response_id">0</property>
                <property name="active">True</property>
              </widget>
            </child>
            <child>
              <widget class="GtkButton" id="buttonBackspace">
                <property name="visible">True</property>
                <property name="label" translatable="yes">Backspace</property>
                <property name="response_id">0</property>
                <accelerator key="BackSpace" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="position">1</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonCE">
                <property name="visible">True</property>
                <property name="label" translatable="yes">CE</property>
                <property name="response_id">0</property>
                <accelerator key="Delete" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="position">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonClear">
                <property name="visible">True</property>
                <property name="label" translatable="yes">C</property>
                <property name="response_id">0</property>
                <accelerator key="Escape" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="position">3</property>
              </packing>
            </child>
          </widget>
          <packing>
            <property name="expand">False</property>
            <property name="fill">False</property>
            <property name="padding">2</property>
            <property name="position">2</property>
          </packing>
        </child>
        <child>
          <widget class="GtkTable" id="table1">
            <property name="visible">True</property>
            <property name="n_rows">4</property>
            <property name="n_columns">6</property>
            <property name="homogeneous">True</property>
            <child>
              <widget class="GtkButton" id="buttonMinus">
                <property name="visible">True</property>
                <property name="label" translatable="yes">-</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="funcao"/>
                <accelerator key="minus" modifiers="" signal="clicked"/>
                <accelerator key="KP_Subtract" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">4</property>
                <property name="right_attach">5</property>
                <property name="top_attach">2</property>
                <property name="bottom_attach">3</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonEquals">
                <property name="visible">True</property>
                <property name="label" translatable="yes">=</property>
                <property name="response_id">0</property>
                <accelerator key="KP_Enter" modifiers="" signal="clicked"/>
                <accelerator key="equal" modifiers="" signal="clicked"/>
                <accelerator key="Return" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">5</property>
                <property name="right_attach">6</property>
                <property name="top_attach">3</property>
                <property name="bottom_attach">4</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonInverse">
                <property name="visible">True</property>
                <property name="label" translatable="yes">1/x</property>
                <property name="response_id">0</property>
                <accelerator key="R" modifiers="" signal="clicked"/>
                <accelerator key="r" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">5</property>
                <property name="right_attach">6</property>
                <property name="top_attach">2</property>
                <property name="bottom_attach">3</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonPercent">
                <property name="visible">True</property>
                <property name="label" translatable="yes">%</property>
                <property name="response_id">0</property>
                <accelerator key="percent" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">5</property>
                <property name="right_attach">6</property>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonSquare">
                <property name="visible">True</property>
                <property name="label" translatable="yes">sqrt</property>
                <property name="response_id">0</property>
                <accelerator key="at" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">5</property>
                <property name="right_attach">6</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonDiv">
                <property name="visible">True</property>
                <property name="label" translatable="yes">/</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="funcao"/>
                <accelerator key="KP_Divide" modifiers="" signal="clicked"/>
                <accelerator key="slash" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">4</property>
                <property name="right_attach">5</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonMult">
                <property name="visible">True</property>
                <property name="label" translatable="yes">*</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="funcao"/>
                <accelerator key="asterisk" modifiers="" signal="clicked"/>
                <accelerator key="KP_Multiply" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">4</property>
                <property name="right_attach">5</property>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonAdd">
                <property name="visible">True</property>
                <property name="label" translatable="yes">+</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="funcao"/>
                <accelerator key="plus" modifiers="" signal="clicked"/>
                <accelerator key="KP_Add" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">4</property>
                <property name="right_attach">5</property>
                <property name="top_attach">3</property>
                <property name="bottom_attach">4</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonComma">
                <property name="visible">True</property>
                <property name="label" translatable="yes">,</property>
                <property name="response_id">0</property>
                <accelerator key="KP_Decimal" modifiers="" signal="clicked"/>
                <accelerator key="comma" modifiers="" signal="clicked"/>
                <accelerator key="period" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">3</property>
                <property name="right_attach">4</property>
                <property name="top_attach">3</property>
                <property name="bottom_attach">4</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonSignal">
                <property name="visible">True</property>
                <property name="label" translatable="yes">+/-</property>
                <property name="response_id">0</property>
              </widget>
              <packing>
                <property name="left_attach">2</property>
                <property name="right_attach">3</property>
                <property name="top_attach">3</property>
                <property name="bottom_attach">4</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button0">
                <property name="visible">True</property>
                <property name="label" translatable="yes">0</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_0" modifiers="" signal="clicked"/>
                <accelerator key="0" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">1</property>
                <property name="right_attach">2</property>
                <property name="top_attach">3</property>
                <property name="bottom_attach">4</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonMplus">
                <property name="visible">True</property>
                <property name="label" translatable="yes">M+</property>
                <property name="response_id">0</property>
              </widget>
              <packing>
                <property name="top_attach">3</property>
                <property name="bottom_attach">4</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonMS">
                <property name="visible">True</property>
                <property name="label" translatable="yes">MS</property>
                <property name="response_id">0</property>
              </widget>
              <packing>
                <property name="top_attach">2</property>
                <property name="bottom_attach">3</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonMR">
                <property name="visible">True</property>
                <property name="label" translatable="yes">MR</property>
                <property name="response_id">0</property>
              </widget>
              <packing>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="buttonMC">
                <property name="visible">True</property>
                <property name="label" translatable="yes">MC</property>
                <property name="response_id">0</property>
              </widget>
            </child>
            <child>
              <widget class="GtkButton" id="button9">
                <property name="visible">True</property>
                <property name="label" translatable="yes">9</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_9" modifiers="" signal="clicked"/>
                <accelerator key="9" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">3</property>
                <property name="right_attach">4</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button8">
                <property name="visible">True</property>
                <property name="label" translatable="yes">8</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_8" modifiers="" signal="clicked"/>
                <accelerator key="8" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">2</property>
                <property name="right_attach">3</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button7">
                <property name="visible">True</property>
                <property name="label" translatable="yes">7</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_7" modifiers="" signal="clicked"/>
                <accelerator key="7" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">1</property>
                <property name="right_attach">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button6">
                <property name="visible">True</property>
                <property name="label" translatable="yes">6</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_6" modifiers="" signal="clicked"/>
                <accelerator key="6" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">3</property>
                <property name="right_attach">4</property>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button5">
                <property name="visible">True</property>
                <property name="label" translatable="yes">5</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_5" modifiers="" signal="clicked"/>
                <accelerator key="5" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">2</property>
                <property name="right_attach">3</property>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button4">
                <property name="visible">True</property>
                <property name="label" translatable="yes">4</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_4" modifiers="" signal="clicked"/>
                <accelerator key="4" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">1</property>
                <property name="right_attach">2</property>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button3">
                <property name="visible">True</property>
                <property name="label" translatable="yes">3</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_3" modifiers="" signal="clicked"/>
                <accelerator key="3" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">3</property>
                <property name="right_attach">4</property>
                <property name="top_attach">2</property>
                <property name="bottom_attach">3</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button2">
                <property name="visible">True</property>
                <property name="label" translatable="yes">2</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_2" modifiers="" signal="clicked"/>
                <accelerator key="2" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">2</property>
                <property name="right_attach">3</property>
                <property name="top_attach">2</property>
                <property name="bottom_attach">3</property>
              </packing>
            </child>
            <child>
              <widget class="GtkButton" id="button1">
                <property name="visible">True</property>
                <property name="label" translatable="yes">1</property>
                <property name="response_id">0</property>
                <signal name="clicked" handler="numero"/>
                <accelerator key="KP_1" modifiers="" signal="clicked"/>
                <accelerator key="1" modifiers="" signal="clicked"/>
              </widget>
              <packing>
                <property name="left_attach">1</property>
                <property name="right_attach">2</property>
                <property name="top_attach">2</property>
                <property name="bottom_attach">3</property>
              </packing>
            </child>
          </widget>
          <packing>
            <property name="padding">2</property>
            <property name="position">3</property>
          </packing>
        </child>
      </widget>
    </child>
  </widget>
</glade-interface>

calculadora.py

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

class Calculadora(object):
    '''Calculadora com operações básicas.'''
    def __init__(self):
        self.operando = 0.0
        self.operador = None
        self.memoria = 0.0
        self.resultado = None

    def limpa(self):
        self.operando = 0.0
        self.operador = None
        self.resultado = None

    def salva_memoria(self, valor):
        self.memoria = valor

    def soma_memoria(self, valor):
        self.memoria += valor

    def soma(self, valor):
        return self.operando + valor
        
    def subtrai(self, valor):
        return self.operando - valor
        
    def multiplica(self, valor):
        return self.operando * valor
        
    def divide(self, valor):
        if valor == 0:
            return 'Impossível dividir por zero.'
        return self.operando / valor
        
    def raiz(self, valor):
        return math.sqrt(valor)
        
    def porcentagem(self, valor):
        return (self.operando * valor) / 100
        
    def inverso(self, valor):
        return 1 / valor
        
    def inverte_sinal(self, valor):
        return valor * -1
        
    def igual(self, valor):
        if self.operador:
            self.resultado = self.operador(valor)
            return self.resultado
        return self.operando

interface.py

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

from kiwi.ui.gadgets import quit_if_last
from kiwi.ui.delegates import Delegate

from calculadora import Calculadora

class Calc(Delegate):
    '''Controle da interface para calculadora simples.'''
    gladefile='calc'
    def __init__(self):
        Delegate.__init__(self)
        self.toplevel.connect('delete-event', quit_if_last)
        self.calc = Calculadora()
        self.mostra_tela(0.0)
        self.virgula = False
    
    #Funções tela:
    def pega_tela(self):
        '''Retorna o valor mostrado na tela.'''
        tela = self.display.get_text()
        return float(tela)
        
    def pega_tela_partes(self):
        '''Retorna as duas partes do valor mostrado na tela.'''
        tela = self.display.get_text()
        return tela.split('.')
        
    def limpa_tela(self):
        '''Apaga o valor mostrado na tela.'''
        self.mostra_tela(0.0)
        self.virgula = False

    def mostra_tela(self, valor):
        '''Apresenta um valor na tela.'''
        self.display.set_text('%s' % valor)

    #Eventos compartilhados:
    def numero(self, *args):
        '''Quando um número é acionado.'''
        valor = args[0].get_label()
        tela = self.pega_tela_partes()
        if tela[0] == '0':
            tela[0] = ''
        i = 0
        if self.virgula:
            i = 1
        tela[i] += valor
        self.mostra_tela('.'.join(tela))
        
    def funcao(self, *args):
        '''Quando uma função de dois operandos é acionada.'''
        self.calc.operando = self.pega_tela()
        self.limpa_tela()

    #Funções com dois operandos:
    def on_buttonAdd__clicked(self, *args):
        self.calc.operador = self.calc.soma

    def on_buttonMinus__clicked(self, *args):
        self.calc.operador = self.calc.subtrai

    def on_buttonMult__clicked(self, *args):
        self.calc.operador = self.calc.multiplica

    def on_buttonDiv__clicked(self, *args):
        self.calc.operador = self.calc.divide
    
    #Funções imediatas:
    def imediata(self, funcao):
        '''Uma função imediata simplesmente pega o
        valor da tela e imprime o resultado retornado.'''
        valor = self.pega_tela()
        resultado = getattr(self.calc, funcao)(valor)
        self.mostra_tela(resultado)
        
    def on_buttonSquare__clicked(self, *args):
        self.imediata('raiz')
        
    def on_buttonPercent__clicked(self, *args):
        self.imediata('porcentagem')
        
    def on_buttonInverse__clicked(self, *args):
        self.imediata('inverso')
        
    def on_buttonSignal__clicked(self, *args):
        self.imediata('inverte_sinal')
            
    def on_buttonEquals__clicked(self, *args):
        self.imediata('igual')
        
    #Funções da memória:
    def memoria(self, funcao):
        valor = self.pega_tela()
        if valor != 0:
            self.memoryStatus.set_label('M')
            getattr(self.calc, funcao)(valor)
    
    def on_buttonMC__clicked(self, *args):
        self.memoryStatus.set_label('')
        self.calc.memoria = 0.0

    def on_buttonMR__clicked(self, *args):
        self.mostra_tela(self.calc.memoria)

    def on_buttonMS__clicked(self, *args):
        self.memoria('salva_memoria')

    def on_buttonMplus__clicked(self, *args):
        self.memoria('soma_memoria')

    #Funções adicionais:
    def on_buttonCE__clicked(self, *args):
        self.limpa_tela()

    def on_buttonClear__clicked(self, *args):
        self.calc.limpa()
        self.limpa_tela()

    def on_buttonBackspace__clicked(self, *args):
        tela = self.pega_tela_partes()
        i = 0
        if self.virgula:
            i = 1
        if tela[i] != '0':
            tela[i] = tela[i][:-1]
        self.mostra_tela('.'.join(tela))

    def on_buttonComma__clicked(self, *args):
        if not self.virgula:
            self.virgula = True
            tela = self.pega_tela_partes()
            if tela[1] == '0':
                tela[1] = ''
                self.mostra_tela('.'.join(tela))
        
    
calc = Calc()
calc.show()
gtk.main()

setup.py

#-*- coding: utf-8 -*-
import os
import sys
import glob
import shutil
import subprocess

from distutils.core import setup
import py2exe

'''Cria distribuição da calculadora para win32.'''

def py2exe():
    #Criando executável:
    sys.argv.append('py2exe')
    setup(
        name = 'calculadora',
        description = 'Calculadora simples em GTK',
        version = '1.0',
        windows = [{'script': 'interface.py'}],
        options = {'py2exe': {'packages': 'encodings',
                              'optimize': 2,
                              'includes': 'cairo, pango, pangocairo, atk, gobject, kiwi'}},
        data_files=['calc.glade']
    )

def copy_gtk():
    #Variáveis:
    gtk_path = 'C:/Arquivos de programas/Arquivos comuns/GTK/2.0/'
    destination = './dist/'
    #Cria pastas intermediárias:
    folders = ['lib', 'glade', 'pixmaps']
    for folder in folders:
        folder = os.path.realpath(destination + folder)
        if not os.path.isdir(folder):
            os.makedirs(folder)
    #Copia arquivos do GTK:
    folders = ['etc', 'lib/gtk-2.0', 'lib/locale/pt_BR', 'share']
    for folder in folders:
        source = os.path.realpath(gtk_path + folder)
        target = os.path.realpath(destination + folder)
        if not os.path.isdir(target):
            print 'Copiando pasta ', folder
            shutil.copytree(source, target)
    dest_dir = os.path.realpath(destination)
    for dll_file in glob.glob(gtk_path + '/bin/*.dll'):
        file_name = os.path.split(dll_file)[-1]
        if not os.path.exists(dest_dir + '\\' + file_name):
            print 'Copiando arquivo ', file_name
            shutil.copy(dll_file, os.path.realpath(destination))

def upx_pack():
    #Compactar arquivos com UPX:
    command = 'upx'
    args = '--best'
    path = 'dist\\'
    file_types = ['*.pyd', '*.exe', '*.dll']
    for file_type in file_types:
        subprocess.call([command, args, path + file_type])
        

if __name__ == '__main__':
    py2exe()
    copy_gtk()
    upx_pack()