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Qt GUI app in python with pyqt (subclassing pyuic4 generated file)

/ Published in: Python
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first design your app and generate a .UI file using Designer (part of Qt Creator), then run pyuic4 to get it to python, like:
pyuic4-2.6 example.ui > example.py

then import the window classes in example.py and make your up by subclassing like you can see in the source

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  1. import sys
  2.  
  3. from PyQt4.QtCore import *
  4. from PyQt4.QtGui import *
  5.  
  6. from <REPLACE_BY_PYUI_DESIGN> import <REPLACE_BY_WINDOW_CLASS_IN_PYUI_DESIGN>
  7.  
  8. class MainWindow(QMainWindow, <REPLACE_BY_WINDOW_CLASS_IN_PYUI_DESIGN>):
  9.  
  10.     # custom slot
  11.     def mymethod(self):
  12.         self.textFieldExample.setText('Hello World')
  13.         self.textFieldExample.clear()
  14.  
  15.     def __init__(self):
  16.         QMainWindow.__init__(self)
  17.  
  18.        # set up User Interface (widgets, layout...)
  19.         self.setupUi(self)
  20.         # custom slots connections
  21.         QObject.connect(self.pushButton,SIGNAL("released()"),self.mymethod) # signal/slot connection
  22.  
  23. # Main entry to program.  Sets up the main app and create a new window.
  24. def main(argv):
  25.  
  26.     # create Qt application
  27.     app = QApplication(argv,True)
  28.  
  29.     # create main window
  30.     wnd = MainWindow() # classname
  31.     wnd.show()
  32.  
  33.     # Connect signal for app finish
  34.     app.connect(app, SIGNAL("lastWindowClosed()"), app, SLOT("quit()"))
  35.  
  36.     # Start the app up
  37.     sys.exit(app.exec_())
  38.  
  39. if __name__ == "__main__":
  40.     main(sys.argv)

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