from wxPython.wx import * #---------------------------------------------------------------------- class TestPanel(wxPanel): def __init__(self, parent, ID, log): wxPanel.__init__(self, parent, ID) self.log = log self.process = None EVT_IDLE(self, self.OnIdle) # We can either derive from wxProcess and override OnTerminate # or we can let wxProcess send this window an event that is # caught in the normal way... EVT_END_PROCESS(self, -1, self.OnProcessEnded) # Make the controls prompt = wxStaticText(self, -1, 'Command line:') self.cmd = wxTextCtrl(self, -1, 'python data/echo.py') self.exBtn = wxButton(self, -1, 'Execute') self.out = wxTextCtrl(self, -1, '', style=wxTE_MULTILINE|wxTE_READONLY) self.inp = wxTextCtrl(self, -1, '', style=wxTE_PROCESS_ENTER) self.sndBtn = wxButton(self, -1, 'Send') self.termBtn = wxButton(self, -1, 'Close Stream') self.inp.Enable(false) self.sndBtn.Enable(false) self.termBtn.Enable(false) # Hook up the events EVT_BUTTON(self, self.exBtn.GetId(), self.OnExecuteBtn) EVT_BUTTON(self, self.sndBtn.GetId(), self.OnSendText) EVT_BUTTON(self, self.termBtn.GetId(), self.OnCloseStream) EVT_TEXT_ENTER(self, self.inp.GetId(), self.OnSendText) # Do the layout box1 = wxBoxSizer(wxHORIZONTAL) box1.Add(prompt, 0, wxALIGN_CENTER) box1.Add(self.cmd, 1, wxALIGN_CENTER|wxLEFT|wxRIGHT, 5) box1.Add(self.exBtn, 0) box2 = wxBoxSizer(wxHORIZONTAL) box2.Add(self.inp, 1, wxALIGN_CENTER) box2.Add(self.sndBtn, 0, wxLEFT, 5) box2.Add(self.termBtn, 0, wxLEFT, 5) sizer = wxBoxSizer(wxVERTICAL) sizer.Add(box1, 0, wxEXPAND|wxALL, 10) sizer.Add(self.out, 1, wxEXPAND|wxALL, 10) sizer.Add(box2, 0, wxEXPAND|wxALL, 10) self.SetSizer(sizer) self.SetAutoLayout(true) def __del__(self): if self.process is not None: self.process.Detach() self.process.CloseOutput() def OnExecuteBtn(self, evt): cmd = self.cmd.GetValue() self.process = wxProcess(self) self.process.Redirect(); pid = wxExecute(cmd, false, self.process) self.log.write('OnExecuteBtn: "%s" pid: %s\n' % (cmd, pid)) self.inp.Enable(true) self.sndBtn.Enable(true) self.termBtn.Enable(true) self.cmd.Enable(false) self.exBtn.Enable(false) self.inp.SetFocus() def OnSendText(self, evt): text = self.inp.GetValue() self.inp.SetValue('') self.log.write('OnSendText: "%s"\n' % text) self.process.GetOutputStream().write(text + '\n') def OnCloseStream(self, evt): self.log.write('OnCloseStream\n') self.process.CloseOutput() def OnIdle(self, evt): if self.process is not None: st = self.process.GetInputStream() if not st.eof(): text = st.read() self.out.AppendText(text) def OnProcessEnded(self, evt): self.log.write('OnProcessEnded, pid:%s, exitCode: %s\n' % (evt.GetPid(), evt.GetExitCode())) self.process.Destroy() self.process = None self.inp.Enable(false) self.sndBtn.Enable(false) self.termBtn.Enable(false) self.cmd.Enable(true) self.exBtn.Enable(true) #---------------------------------------------------------------------- def runTest(frame, nb, log): win = TestPanel(nb, -1, log) return win #---------------------------------------------------------------------- overview = """\

wxProcess

blah blah blah... """