def save_ps(self, file_name):
        if len(file_name) != 0:
            w2if = tvtk.WindowToImageFilter(read_front_buffer=not self.off_screen_rendering)
            w2if.magnification = self.magnification
            self._lift()
            w2if.input = self._renwin
            ex = tvtk.PostScriptWriter()
            ex.file_name = file_name
            configure_input(ex, w2if)
            self._exporter_write(ex)
Initialize a ThrottledHttpRpcServer.
dataset/ETHPy150Open enthought/mayavi/tvtk/pyface/tvtk_scene.py/TVTKScene.save_ps--crossover with--dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/ext/remote_api/throttle.py/ThrottledHttpRpcServer.__init__