title: Accessing GUI elements text( ) from outside the PyQt GUI class
body: <p>Ui_MainWindow are .py files generated by designer and pyuic, I wanted to pass the PyQt GUI elements text values to another file and do some basic operation and return the result.</p>
  
  <p>Parent File</p>
  
  <pre><code>from PyQt4 import QtCore, QtGui
  
  try:
      _fromUtf8 = QtCore.QString.fromUtf8
  except AttributeError:
      _fromUtf8 = lambda s: s
  
  
  class Ui_MainWindow(object):
  
      def setupUi(self, MainWindow):
          MainWindow.setObjectName(_fromUtf8("MainWindow"))
          MainWindow.resize(742, 515)
          self.centralwidget = QtGui.QWidget(MainWindow)
          self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
          self.layoutWidget = QtGui.QWidget(self.centralwidget)
          self.layoutWidget.setGeometry(QtCore.QRect(70, 30, 601, 331))
          self.layoutWidget.setObjectName(_fromUtf8("layoutWidget"))
          self.gridLayout_2 = QtGui.QGridLayout(self.layoutWidget)
          self.gridLayout_2.setMargin(0)
          self.gridLayout_2.setObjectName(_fromUtf8("gridLayout_2"))
          self.gridLayout = QtGui.QGridLayout()
          self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
          self.horizontalLayout = QtGui.QHBoxLayout()
          self.horizontalLayout.setObjectName(_fromUtf8("horizontalLayout"))
          self.label = QtGui.QLabel(self.layoutWidget)
          self.label.setObjectName(_fromUtf8("label"))
          self.horizontalLayout.addWidget(self.label)
          self.lineEdit = QtGui.QLineEdit(self.layoutWidget)
          self.lineEdit.setObjectName(_fromUtf8("lineEdit"))
          self.horizontalLayout.addWidget(self.lineEdit)
          self.gridLayout.addLayout(self.horizontalLayout, 0, 0, 1, 1)
          self.horizontalLayout_2 = QtGui.QHBoxLayout()
          self.horizontalLayout_2.setObjectName(_fromUtf8("horizontalLayout_2"))
          self.label_2 = QtGui.QLabel(self.layoutWidget)
          self.label_2.setObjectName(_fromUtf8("label_2"))
          self.horizontalLayout_2.addWidget(self.label_2)
          self.textEdit = QtGui.QTextEdit(self.layoutWidget)
          self.textEdit.setObjectName(_fromUtf8("textEdit"))
          self.horizontalLayout_2.addWidget(self.textEdit)
          self.gridLayout.addLayout(self.horizontalLayout_2, 1, 0, 1, 1)
          self.horizontalLayout_3 = QtGui.QHBoxLayout()
          self.horizontalLayout_3.setObjectName(_fromUtf8("horizontalLayout_3"))
          self.label_3 = QtGui.QLabel(self.layoutWidget)
          self.label_3.setObjectName(_fromUtf8("label_3"))
          self.horizontalLayout_3.addWidget(self.label_3)
          self.lineEdit_2 = QtGui.QLineEdit(self.layoutWidget)
          self.lineEdit_2.setObjectName(_fromUtf8("lineEdit_2"))
          self.horizontalLayout_3.addWidget(self.lineEdit_2)
          self.gridLayout.addLayout(self.horizontalLayout_3, 2, 0, 1, 1)
          self.gridLayout_2.addLayout(self.gridLayout, 0, 0, 1, 1)
          self.pushButton = QtGui.QPushButton(self.layoutWidget)
          self.pushButton.setObjectName(_fromUtf8("pushButton"))
          self.gridLayout_2.addWidget(self.pushButton, 1, 0, 1, 1)
          MainWindow.setCentralWidget(self.centralwidget)
          self.statusbar = QtGui.QStatusBar(MainWindow)
          self.statusbar.setObjectName(_fromUtf8("statusbar"))
          MainWindow.setStatusBar(self.statusbar)
  
  
          self.retranslateUi(MainWindow)
  
          from textvalues import Valued
          QtCore.QObject.connect(self.pushButton, QtCore.SIGNAL(_fromUtf8("clicked()")), Valued.callingdata)
          QtCore.QMetaObject.connectSlotsByName(MainWindow)
  
      def retranslateUi(self, MainWindow):
          MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8))
          self.label.setText(QtGui.QApplication.translate("MainWindow", "Title", None, QtGui.QApplication.UnicodeUTF8))
          self.label_2.setText(QtGui.QApplication.translate("MainWindow", "Body", None, QtGui.QApplication.UnicodeUTF8))
          self.label_3.setText(QtGui.QApplication.translate("MainWindow", "Tag", None, QtGui.QApplication.UnicodeUTF8))
          self.pushButton.setText(QtGui.QApplication.translate("MainWindow", "Create", None, QtGui.QApplication.UnicodeUTF8))
  
  if __name__ == "__main__":
      import sys
      app = QtGui.QApplication(sys.argv)
      MainWindow = QtGui.QMainWindow()
      ui = Ui_MainWindow()
      ui.setupUi(MainWindow)
      MainWindow.show()
      callingdata(ui)
      sys.exit(app.exec_())
  </code></pre>
  
  <p>Child File
  From child file I'm trying to get the input text values...</p>
  
  <pre><code>from PyQt4 import QtCore, QtGui
  from blog_tool import Ui_MainWindow
  
  class Valued(QtGui.QMainWindow):
      def __init__(self, parent=None):
          QtGui.QWidget.__init__(self, parent)
          self.ui = Ui_MainWindow()
          app = self.ui.setupUi(self)
  
      def callingdata():
          blog_title  = app.lineEdit.text()
          blog_body   = app.textEdit.toPlainText()
          blog_tag    = app.lineEdit_2.text()
          print "Title\n\t%s\nBody\n\t%s\nTag\n\t%s" % (blog_title, blog_body, blog_tag)
  </code></pre>