Python wx.CallAfter() Examples

def __init__(self, parent, frame, interpreter):
        self._frame = frame
        wx.Panel.__init__(self, parent, -1)

        bookStyle = aui.AUI_NB_DEFAULT_STYLE
        bookStyle &= ~(aui.AUI_NB_CLOSE_ON_ACTIVE_TAB)

        self.rawpanel = HttpRawPanel(self, self)
        self.renderpanel = self.create_web_view()

        self.nb = aui.AuiNotebook(self, style=bookStyle)
        self.nb.AddPage(self.rawpanel, "HTML Raw")
        self.nb.AddPage(self.renderpanel, "HTML Render")

        sizer = wx.BoxSizer()
        sizer.Add(self.nb, 1, wx.EXPAND)
        self.SetSizer(sizer)
        wx.CallAfter(self.nb.SendSizeEvent)

        pub.subscribe(self.on_selected_row, "selected_row") 

def request_payout_btcmp(self, balance_auth_token):
        """Request payout from btcmp's server via HTTP POST."""        
        response, data = http_request(
            self.server_config['balance_host'],
            "GET",
            self.server_config["payout_url"] % balance_auth_token,
            use_https=False
        )
        
        if self.is_auth_token_rejected(response):
            data = _("Auth token rejected by server.")
        elif not data:
            data = STR_CONNECTION_ERROR
        else:
            data = _("Withdraw OK")
        wx.CallAfter(self.on_balance_received, data) 

def request_payout_deepbit(self, balance_auth_token):
        """Request payout from deepbit's server via HTTP POST."""
        post_params = dict(id=1,
                           method="request_payout")
        response, data = http_request(
             self.server_config['balance_host'],
             "POST",
             self.server_config['balance_url'] % balance_auth_token,
             json.dumps(post_params),
             {"Content-type": "application/json; charset=utf-8",
              "User-Agent": USER_AGENT}
        )
        if self.is_auth_token_rejected(response):
            data = _("Auth token rejected by server.")
        elif not data:
            data = STR_CONNECTION_ERROR
        else:
            data = _("Withdraw OK")
        wx.CallAfter(self.on_balance_received, data) 

def request_balance_eligius(self):
        """Request our balance from Eligius
        """
        response, data = http_request(
             self.server_config['balance_host'],
             "POST",
             self.server_config['balance_url'] % (self.txt_username.GetValue(),),
        )
        if not data:
            data = STR_CONNECTION_ERROR
        try:
            data = json.loads(data)
            data = data['expected'] / 1e8
        except BaseException as e:
            data = str(e)
        wx.CallAfter(self.on_balance_received, data) 

def OnInit(self, profile=None, memoryProfile=None):
        """Initialise the application"""
        wx.Image.AddHandler(self.handler)
        frame = MainFrame( config_parser = load_config())
        frame.Show(True)
        self.SetTopWindow(frame)
        if profile:
            wx.CallAfter(frame.load, *[profile])
        elif sys.argv[1:]:
            if sys.argv[1] == '-m':
                if sys.argv[2:]:
                    wx.CallAfter( frame.load_memory, sys.argv[2] )
                else:
                    log.warn( 'No memory file specified' )
            else:
                wx.CallAfter(frame.load, *sys.argv[1:])
        return True 

def write(self, text):
        """
        Create the output window if needed and write the string to it.
        If not called in the context of the gui thread then CallAfter is 
        used to do the work there.
        """
        if self.frame is None:
            if not wx.IsMainThread():
                wx.CallAfter(self.CreateOutputWindow, text)
            else:
                self.CreateOutputWindow(text)
        else:
            if not wx.IsMainThread():
                wx.CallAfter(self.text.AppendText, text)
            else:
                self.text.AppendText(text) 

def OnValuesGridSelectCell(self, event):
        wx.CallAfter(self.RefreshButtons)
        event.Skip() 

def verifyAutoStart(self, app, buildSpec):
        """
        When the auto_start flag == True Gooey should skip the
        configuration screen
        """
        time.sleep(1)
        try:
            # Gooey should NOT be showing the name/description headers
            # present on the config page
            title = app.TopWindow.header._header.GetLabel()
            subtitle = app.TopWindow.header._subheader.GetLabel()
            self.assertNotEqual(title, buildSpec['program_name'])
            self.assertNotEqual(subtitle, buildSpec['program_description'])

            # Gooey should be showing the console messages straight away
            # without manually starting the program
            title = app.TopWindow.header._header.GetLabel()
            subtitle = app.TopWindow.header._subheader.GetLabel()
            self.assertEqual(title,_("running_title"))
            self.assertEqual(subtitle, _('running_msg'))

            # Wait for Gooey to swap the header to the final screen
            while app.TopWindow.header._header.GetLabel() == _("running_title"):
                time.sleep(.1)

            # verify that we've landed on the success screen
            title = app.TopWindow.header._header.GetLabel()
            subtitle = app.TopWindow.header._subheader.GetLabel()
            self.assertEqual(title, _("finished_title"))
            self.assertEqual(subtitle, _('finished_msg'))


            # and that output was actually written to the console
            self.assertIn("Success", app.TopWindow.console.textbox.GetValue())
        except:
            app.TopWindow.Destroy()
            raise
        else:
            import wx
            wx.CallAfter(app.TopWindow.Destroy)
            return None 

def OnSubindexGridCellChange(self, event):
        if self.Editable:
            index = self.Table.GetCurrentIndex()
            subIndex = event.GetRow()
            col = event.GetCol()
            name = self.Table.GetColLabelValue(col, False)
            value = self.Table.GetValue(subIndex, col, False)
            editor = self.Table.GetEditor(subIndex, col)
            self.Manager.SetCurrentEntry(index, subIndex, value, name, editor)
            self.ParentWindow.RefreshBufferState()
            wx.CallAfter(self.RefreshTable)
        event.Skip() 

def OnEraseBackground(self, event=None):
        nsp = self.GetScrollPos(wx.VERTICAL)
        if self._last_scrollpos != nsp:
            self._last_scrollpos = nsp
            # should only refresh visible items, hmm
            wx.CallAfter(self.Refresh)
        dc = wx.ClientDC(self)
        # erase the section of the background which is not covered by the
        # items or the selected column highlighting
        dc.SetBackground(wx.Brush(self.GetBackgroundColour()))
        f = self.GetRect()
        r = wx.Region(0, 0, f.width, f.height)
        x = self.GetVisibleViewRect()
        offset = self._get_origin_offset(include_header=True)
        x.Offset(offset)
        r.SubtractRect(x)
        if '__WXMSW__' in wx.PlatformInfo:
            c = self.GetColumnRect(self.enabled_columns.index(self.selected_column))
            r.SubtractRect(c)
        dc.SetClippingRegionAsRegion(r)
        dc.Clear()

        if '__WXMSW__' in wx.PlatformInfo:
            # draw the selected column highlighting under the items
            dc.DestroyClippingRegion()
            r = wx.Region(0, 0, f.width, f.height)
            r.SubtractRect(x)
            dc.SetClippingRegionAsRegion(r)
            dc.SetPen(wx.TRANSPARENT_PEN)
            hc = wx.SystemSettings_GetColour(wx.SYS_COLOUR_WINDOW)
            r = highlight_color(hc.Red())
            g = highlight_color(hc.Green())
            b = highlight_color(hc.Blue())
            hc.Set(r, g, b)
            dc.SetBrush(wx.Brush(hc))
            dc.DrawRectangle(c.x, c.y, c.width, c.height) 

def OnComboBox(self, event):
        wx.CallAfter(self._OnChange, event.GetString()) 

def __init__(self, parent):
        super(View, self).__init__(parent)
        self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)
        self.Bind(wx.EVT_SIZE, self.on_size)
        self.Bind(wx.EVT_PAINT, self.on_paint)
        self.Bind(wx.EVT_CHAR_HOOK, self.on_char)
        self.index = -1
        self.weights = {}
        self.model = None
        self.bitmap = None
        wx.CallAfter(self.next) 

def instrumentGooey(parser, **kwargs):
    """
    Context manager used during testing for setup/tear down of the
    WX infrastructure during subTests.
    """
    buildspec = create_from_parser(parser, "", **merge(defaults, kwargs))
    app, gooey = application.build_app(buildspec)
    try:
        yield (app, gooey)
    finally:
        wx.CallAfter(app.ExitMainLoop)
        gooey.Destroy()
        app.Destroy() 

def OnValuesGridCellChange(self, event):
        row, col = event.GetRow(), event.GetCol()
        colname = self.Table.GetColLabelValue(col)
        value = self.Table.GetValue(row, col)
        try:
            self.Values[row][colname] = int(value, 16)
        except:
            message = wx.MessageDialog(self, _("\"%s\" is not a valid value!")%value, _("Error"), wx.OK|wx.ICON_ERROR)
            message.ShowModal()
            message.Destroy()
        wx.CallAfter(self.RefreshValues)
        event.Skip() 

def AddExceptHook(path, app_version='[No version]'):#, ignored_exceptions=[]):
    
    def handle_exception(e_type, e_value, e_traceback):
        traceback.print_exception(e_type, e_value, e_traceback) # this is very helpful when there's an exception in the rest of this func
        last_tb = get_last_traceback(e_traceback)
        ex = (last_tb.tb_frame.f_code.co_filename, last_tb.tb_frame.f_lineno)
        if str(e_value).startswith("!!!"):
            Display_Error_Dialog(e_value)
        elif ex not in ignored_exceptions:
            ignored_exceptions.append(ex)
            result = Display_Exception_Dialog(e_type,e_value,e_traceback)
            if result:
                info = {
                    'app-title' : wx.GetApp().GetAppName(), # app_title
                    'app-version' : app_version,
                    'wx-version' : wx.VERSION_STRING,
                    'wx-platform' : wx.Platform,
                    'python-version' : platform.python_version(), #sys.version.split()[0],
                    'platform' : platform.platform(),
                    'e-type' : e_type,
                    'e-value' : e_value,
                    'date' : time.ctime(),
                    'cwd' : os.getcwd(),
                    }
                if e_traceback:
                    info['traceback'] = ''.join(traceback.format_tb(e_traceback)) + '%s: %s' % (e_type, e_value)
                    last_tb = get_last_traceback(e_traceback)
                    exception_locals = last_tb.tb_frame.f_locals # the locals at the level of the stack trace where the exception actually occurred
                    info['locals'] = format_namespace(exception_locals)
                    if 'self' in exception_locals:
                        info['self'] = format_namespace(exception_locals['self'].__dict__)
                
                output = open(path+os.sep+"bug_report_"+info['date'].replace(':','-').replace(' ','_')+".txt",'w')
                lst = info.keys()
                lst.sort()
                for a in lst:
                    output.write(a+":\n"+str(info[a])+"\n\n")

    #sys.excepthook = lambda *args: wx.CallAfter(handle_exception, *args)
    sys.excepthook = handle_exception 

def AddExceptHook(path, app_version='[No version]'):#, ignored_exceptions=[]):
    
    def handle_exception(e_type, e_value, e_traceback):
        traceback.print_exception(e_type, e_value, e_traceback) # this is very helpful when there's an exception in the rest of this func
        last_tb = get_last_traceback(e_traceback)
        ex = (last_tb.tb_frame.f_code.co_filename, last_tb.tb_frame.f_lineno)
        if str(e_value).startswith("!!!"):
            Display_Error_Dialog(e_value)
        elif ex not in ignored_exceptions:
            ignored_exceptions.append(ex)
            result = Display_Exception_Dialog(e_type,e_value,e_traceback)
            if result:
                info = {
                    'app-title' : wx.GetApp().GetAppName(), # app_title
                    'app-version' : app_version,
                    'wx-version' : wx.VERSION_STRING,
                    'wx-platform' : wx.Platform,
                    'python-version' : platform.python_version(), #sys.version.split()[0],
                    'platform' : platform.platform(),
                    'e-type' : e_type,
                    'e-value' : e_value,
                    'date' : time.ctime(),
                    'cwd' : os.getcwd(),
                    }
                if e_traceback:
                    info['traceback'] = ''.join(traceback.format_tb(e_traceback)) + '%s: %s' % (e_type, e_value)
                    last_tb = get_last_traceback(e_traceback)
                    exception_locals = last_tb.tb_frame.f_locals # the locals at the level of the stack trace where the exception actually occurred
                    info['locals'] = format_namespace(exception_locals)
                    if 'self' in exception_locals:
                        info['self'] = format_namespace(exception_locals['self'].__dict__)
                
                output = open(path+os.sep+"bug_report_"+info['date'].replace(':','-').replace(' ','_')+".txt",'w')
                lst = info.keys()
                lst.sort()
                for a in lst:
                    output.write(a+":\n"+str(info[a])+"\n\n")

    #sys.excepthook = lambda *args: wx.CallAfter(handle_exception, *args)
    sys.excepthook = handle_exception 

def OnFileSelectedChanged(self, event):
        if not self.Closing:
            selected = event.GetSelection()
            # At init selected = -1
            if selected >= 0:
                window = self.FileOpened.GetPage(selected)
                if window:
                    self.Manager.ChangeCurrentNode(window.GetIndex())
                    wx.CallAfter(self.RefreshBufferState)
                    self.RefreshStatusBar()
                    self.RefreshProfileMenu()
        event.Skip() 

def verifyValidators(self, app, buildSpec):
        time.sleep(1)
        try:
            app.TopWindow.onStart()
            title = app.TopWindow.header._header.GetLabel()
            subtitle = app.TopWindow.header._subheader.GetLabel()
            self.assertNotEqual(title, buildSpec['program_name'])
            self.assertNotEqual(subtitle, buildSpec['program_description'])
        except:
            app.TopWindow.Destroy()
            raise
        else:
            import wx
            wx.CallAfter(app.TopWindow.Destroy)
            return None 

def gooeySanityTest(self, app, buildSpec):
        time.sleep(1)
        try:
            # Check out header is present and showing data
            title = app.TopWindow.header._header.GetLabel()
            subtitle = app.TopWindow.header._subheader.GetLabel()
            self.assertEqual(title, buildSpec['program_name'])
            self.assertEqual(subtitle, buildSpec['program_description'])

            # switch to the run screen
            app.TopWindow.onStart()

            # Should find the expected test in the header
            title = app.TopWindow.header._header.GetLabel()
            subtitle = app.TopWindow.header._subheader.GetLabel()
            self.assertEqual(title,_("running_title"))
            self.assertEqual(subtitle, _('running_msg'))

            # Wait for Gooey to swap the header to the final screen
            while app.TopWindow.header._header.GetLabel() == _("running_title"):
                time.sleep(.1)

            # verify that we've landed on the success screen
            title = app.TopWindow.header._header.GetLabel()
            subtitle = app.TopWindow.header._subheader.GetLabel()
            self.assertEqual(title, _("finished_title"))
            self.assertEqual(subtitle, _('finished_msg'))

            # and that output was actually written to the console
            self.assertIn("Success", app.TopWindow.console.textbox.GetValue())
            time.sleep(1)
        except:
            app.TopWindow.Destroy()
            raise
        else:
            wx.CallAfter(app.TopWindow.Destroy)
            return None 

def on_tab_change(self, event):
        self.page2.list_box.SetFocus()
        page_to_select = event.GetSelection()
        wx.CallAfter(self.fix_focus, page_to_select)
        event.Skip(True) 

def on_left_down(self, event):
        if self.HitTest(event.GetPosition()) != wx.NOT_FOUND:
            index = self.HitTest(event.GetPosition())
            self.selected_items[index] = not self.selected_items[index]
            # doesn't really work to update selection direclty (focus issues)
            # instead we wait for the EVT_LISTBOX event and fix the selection
            # there...
            # self.update_selection()
            # TODO: we could probably use wx.CallAfter
        event.Skip() 

def run(self):
		""" Action to run when .start() method is called """
		while self.mainwin.already_fitting:
			for i in range(100):
				if not self.mainwin.already_fitting: break
				#print i,' ',
				#wx.CallAfter(self.pb.SetValue,i)
				wx.CallAfter(self.pb.Update,i)
				time.sleep(0.1)
		print('Quitting progress bar update') 

def __init__(self,parent,mainwin,title,plottype,pos):
		wx.Dialog.__init__(self,parent,wx.ID_ANY,title,size=(400,600),pos=pos)

		self.mainwin = mainwin
		self.plottype = plottype

		win = wx.Panel(self) #,wx.ID_ANY,pos=(0,0),size=(180,200),style=0)

		self.selection = wx.CheckListBox(win, wx.ID_ANY, choices = OutputPlotTypes, size=(120,-1))#,pos=(0,0))
		#self.win.Bind(wx.EVT_CHECKLISTBOX, self.OnTicked, self.selection)
		self.selection.Bind(wx.EVT_CHECKLISTBOX, self.OnTicked)
		
		if plottype == 'Theory':
			display_curves = self.mainwin.display_theory_curves
		else:
			display_curves = self.mainwin.display_expt_curves

		checked_items = []
		for i in range(len(display_curves)):
			if display_curves[i]:
				checked_items.append(i)

		self.selection.SetChecked(checked_items)
		#self.okbtn = wx.Button(self.win,wx.ID_OK,size=(120,BtnSize))
		#self.Bind(wx.EVT_BUTTON, self.OnOK, self.okbtn)

		self.SetSize(self.selection.GetSize()+(50,50))
		self.SetMinSize(self.selection.GetSize()+(50,50))
		
		popup_sizer = wx.BoxSizer(wx.VERTICAL)
		popup_sizer.Add(self.selection,0,wx.EXPAND|wx.ALL, 7)
		#popup_sizer.Add((-1,5),1,wx.EXPAND)
		#popup_sizer.Add(self.okbtn,0,wx.EXPAND)

		#sz = popup_sizer.GetBestSize()
		#self.win.SetSize((sz.width+20, sz.height+20))
		
		self.SetSizer(popup_sizer)
		wx.CallAfter(self.Refresh) 

def OnInit(self):
        """Initialise the application"""
        wx.Image.AddHandler(self.handler)
        frame = MainFrame( config_parser = load_config())
        frame.Show(True)
        self.SetTopWindow(frame)
        if sys.argv[1:]:
            wx.CallAfter( frame.load_memory, sys.argv[1] )
        else:
            log.warn( 'No memory file specified' )
        return True 

def read_stdout(self, process, callback):
    while True:
      line = process.stdout.readline()
      if not line:
        break
      wx.CallAfter(self.core_gui.PublishConsoleMsg, line)
    wx.CallAfter(callback, process) 

def on_exit(self, event):
        """Exits Superpaper."""
        self.rt_stop()
        wx.CallAfter(self.Destroy)
        self.frame.Close() 

def on_taskbar_close(self, evt):
        wx.CallAfter(self.frame.Close, force=True) 

def write(self, text):
        """Forward logging events to our TextCtrl."""
        wx.CallAfter(self.append_text, text) 

def OnExit(self, event):
        dial = wx.MessageDialog(None, 'GoSync will stop syncing files until restarted.\nAre you sure to quit?\n',
                                'Question', wx.YES_NO | wx.NO_DEFAULT | wx.ICON_QUESTION)
        res = dial.ShowModal()
        if res == wx.ID_YES:
            if self.sync_model.IsSyncEnabled() or self.sync_model.IsSyncRunning():
                self.sync_model.StopTheShow()
                self.sb.SetStatusText("Paused", 1)

            wx.CallAfter(self.Destroy) 

def run(self):
        wx.CallAfter(pub.sendMessage, "report101", message="Prediction process started. \nLoading........") # Sending report to the Text Box
        import InceptionPrediction
        result = InceptionPrediction.run(self.path, self.model_path, self.index_file_path, self.main_ui) # This calls the Inception Prediction Class
        wx.CallAfter(pub.sendMessage, "report101", message=result) # # Sending report to the Text Box