BinaryConverter.pyw

import sys, os
from PyQt4 import Qt, QtGui, QtCore
import binascii
import re

class MainWindow( QtGui.QMainWindow ):
    width = 640
    height = 480

    def __init__( self ):
        QtGui.QMainWindow.__init__( self )

        self.setWindowTitle( "Binary & Ascii Converter" )

        main = QtGui.QWidget()

        vbox = QtGui.QVBoxLayout()
        hbox = QtGui.QHBoxLayout()

        self.text = QtGui.QTextEdit( self )

        self.label = QtGui.QTextEdit( self )
        self.label.setReadOnly( True )
        self.label.setStyleSheet( "background-color: rgb( 0, 0, 0 ); color: rgb( 255, 255, 255 );" )

        btnBinary = QtGui.QPushButton( 'To Binary', self )
        btnAscii = QtGui.QPushButton( 'To Ascii', self )

        hbox.addWidget( btnBinary )
        hbox.addWidget( btnAscii )

        vbox.addWidget( self.text )
        vbox.addWidget( self.label )
        vbox.addLayout( hbox )

        main.setLayout( vbox )

        self.setCentralWidget( main )

        self.resize( MainWindow.width, MainWindow.height )
        self.center()

        self.statusBar().showMessage( 'Ready' )

        self.connect( btnBinary, QtCore.SIGNAL( 'clicked()' ), self.toBinary )
        self.connect( btnAscii, QtCore.SIGNAL( 'clicked()' ), self.toAscii )

    def toBinaryHardWay( self ):
        out = ""

        b = bytearray( str( self.text.toPlainText() ) )

        for i in b:
            val = i

            for ii in xrange( 8 ):
                out += "0" if ( val & 128 ) == 0 else "1"
                val <<= 1

            out += " "

        print out

    def toBinary( self ):
        try:
            out = bin( int( binascii.hexlify( str( self.text.toPlainText() ) ), 16 ) ).replace( "b", "" )
            out = re.sub( "(.{8})", "\\1\n", out, re.DOTALL )

            self.statusBar().showMessage( 'Ascii data succesfully converted to binary' )

            self.label.setText( out )
        except:
            self.statusBar().showMessage( 'Error: Invalid data entered, please ensure that the information is correct and try again' )

            self.label.setText( self.text.toPlainText() )

    def toAscii( self ):
        try:
            n = int( str( self.text.toPlainText().replace( "\n", "" ) ), 2 )
            out = binascii.unhexlify( '%x' % n )

            self.statusBar().showMessage( 'Binary data succesfully converted to ascii' )

            self.label.setText( out )
        except:
            self.statusBar().showMessage( 'Error: Data is not binary, please check your input and try again' )

            self.label.setText( self.text.toPlainText() )

    def center( self ):
        screen = QtGui.QDesktopWidget().screenGeometry()
        size = self.geometry()

        widthDif = screen.width() - size.width()
        heightDif = screen.height() - size.height()

        x = widthDif / 2
        y = heightDif / 2

        self.move( x, y )

def main():
    app = QtGui.QApplication( sys.argv );

    window = MainWindow();
    window.show();

    sys.exit( app.exec_() )

if __name__ == '__main__':
    main()