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from IPython.inprocess.ipkernel import InProcessKernel
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from IPython.frontend.qt.console.rich_ipython_widget import RichIPythonWidget
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from IPython.frontend.qt.inprocess_kernelmanager import QtInProcessKernelManager
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from IPython.lib import guisupport
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def main():
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app = guisupport.get_app_qt4()
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# Create a kernel and populate the namespace.
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kernel = InProcessKernel()
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kernel.shell.push({'x': 0, 'y': 1, 'z': 2})
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# Create a kernel manager for the frontend and register it with the kernel.
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km = QtInProcessKernelManager(kernel=kernel)
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km.start_channels()
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kernel.frontends.append(km)
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# Create the Qt console frontend.
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control = RichIPythonWidget()
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control.exit_requested.connect(app.quit)
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control.kernel_manager = km
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control.show()
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# Execute some code directly. Note where the output appears.
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kernel.shell.run_cell('print "x=%r, y=%r, z=%r" % (x,y,z)')
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# Execute some code through the frontend (once the event loop is
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# running). Again, note where the output appears.
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do_later(control.execute, '%who')
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guisupport.start_event_loop_qt4(app)
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def do_later(func, *args, **kwds):
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from IPython.external.qt import QtCore
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QtCore.QTimer.singleShot(0, lambda: func(*args, **kwds))
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if __name__ == '__main__':
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main()
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