# -*- coding: utf-8 -*-
from PyQt4 import QtCore, QtGui
import sys

class CaptchaDialog(object):
    def __init__(self, image_data):
        self.inputText = ''
        self.dlg = QtGui.QDialog()
        self.dlg.setObjectName('Dialog')
        self.dlg.resize(320, 240)
        self.dlg.setWindowTitle(u'Ввод капчи')
        self.bb = QtGui.QDialogButtonBox(self.dlg)
        self.bb.setGeometry(QtCore.QRect(10, 200, 300, 30))
        self.bb.setOrientation(QtCore.Qt.Horizontal)
        self.bb.setStandardButtons(QtGui.QDialogButtonBox.Cancel | QtGui.QDialogButtonBox.Ok)
        # self.bb.setObjectName('buttonBox')
        self.le = QtGui.QLineEdit(self.dlg)
        self.le.setGeometry(QtCore.QRect(100, 170, 120, 20))
        self.le.setMinimumSize(QtCore.QSize(0, 20))
        self.le.setMaxLength(255)
        self.le.setPlaceholderText(u'Введите символы')
        self.le.setObjectName('lineEdit')
        self.lbl = QtGui.QLabel(self.dlg)
        self.lbl.setGeometry(QtCore.QRect(15, 10, 290, 140))
        self.lbl.setObjectName('label')
        # Добавляем картинку
        self.lbl.setAlignment(QtCore.Qt.AlignCenter)
        qimg = QtGui.QImage.fromData(image_data)
        pixmap = QtGui.QPixmap.fromImage(qimg)
        self.lbl.setPixmap(pixmap)
        # ...
        QtCore.QObject.connect(self.bb, QtCore.SIGNAL('accepted()'), self.on_accept)
        QtCore.QObject.connect(self.bb, QtCore.SIGNAL('rejected()'), self.dlg.reject)
        # what is it?
        QtCore.QMetaObject.connectSlotsByName(self.dlg)
        self.dlg.show()

    def on_accept(self):
        self.inputText = self.le.text()
        self.dlg.accept()

def render_captcha(image_data):
    app = QtGui.QApplication(sys.argv)
    ui = CaptchaDialog(image_data)
    # sys.exit(app.exec_())
    print '!'
    app.exec_()
    return ui.inputText

if __name__ == '__main__':
    import urllib
    r = urllib.urlopen('http://vk.com/captcha.php?sid=454603283955&s=1')
    data = r.read()
    print render_captcha(data)
    input('Press any key to exit.')