filename="/media/TRANSCEND/mod/model3.gcode"

wx.CallAfter(self.loadbtn.SetLabel, _("Cancel"))

self.loadbtn.SetLabel(_("Load File"))

#  --------------------------------------------------------------
    #  File loading handling
    #  --------------------------------------------------------------
    def filesloaded(self):
        dlg = wx.SingleChoiceDialog(self, _("Select the file to print"), _("Pick SD file"), self.sdfiles)
        if dlg.ShowModal() == wx.ID_OK:
            target = dlg.GetStringSelection()
            if len(target):
                self.recvlisteners.append(self.waitforsdresponse)
                self.p.send_now("M23 " + target.lower())
        dlg.Destroy()
    def getfiles(self):
        if not self.p.online:
            self.sdfiles = []
            return
        self.sdlisting = 0
        self.sdfiles = []
        self.recvlisteners.append(self.listfiles)
        self.p.send_now("M21")
        self.p.send_now("M20")
    def model_to_gcode_filename(self, filename):
        suffix = "_export.gcode"
        for ext in [".stl", ".obj"]:
            filename = filename.replace(ext, suffix)
            filename = filename.replace(ext.upper(), suffix)
        return filename
    def slice_func(self):
        try:
            output_filename = self.model_to_gcode_filename(self.filename)
            pararray = prepare_command(self.settings.slicecommand,
                                       {"$s": self.filename, "$o": output_filename})
            if self.settings.slic3rintegration:
                for cat, config in self.slic3r_configs.items():
                    if config:
                        fpath = os.path.join(self.slic3r_configpath, cat, config)
                        pararray += ["--load", fpath]
            self.log(_("Running ") + " ".join(pararray))
            self.slicep = subprocess.Popen(pararray, stderr = subprocess.STDOUT, stdout = subprocess.PIPE)
            while True:
                o = self.slicep.stdout.read(1)
                if o == '' and self.slicep.poll() is not None: break
                sys.stdout.write(o)
            self.slicep.wait()
            self.stopsf = 1
        except:
            self.logError(_("Failed to execute slicing software: ")
                          + "\n" + traceback.format_exc())
            self.stopsf = 1
    def slice_monitor(self):
        while not self.stopsf:
            try:
                wx.CallAfter(self.statusbar.SetStatusText, _("Slicing..."))  # +self.cout.getvalue().split("\n")[-1])
            except:
                pass
            time.sleep(0.1)
        fn = self.filename
        try:
            self.load_gcode_async(self.model_to_gcode_filename(self.filename))
        except:
            self.filename = fn
        self.slicing = False
        self.slicep = None
    def slice(self, filename):
        wx.CallAfter(self.loadbtn.SetLabel, _("Cancel"))
        wx.CallAfter(self.toolbarsizer.Layout)
        self.log(_("Slicing ") + filename)
        self.cout = StringIO.StringIO()
        self.filename = filename
        self.stopsf = 0
        self.slicing = True
        threading.Thread(target = self.slice_func).start()
        threading.Thread(target = self.slice_monitor).start()
    def cmdline_filename_callback(self, filename):
        # Do nothing when processing a filename from command line, as we'll
        # handle it when everything has been prepared
        self.filename = filename
    def do_load(self, l):
        if hasattr(self, 'slicing'):
            self.loadfile(None, l)
        else:
            self._do_load(l)
    def load_recent_file(self, event):
        fileid = event.GetId() - wx.ID_FILE1
        path = self.filehistory.GetHistoryFile(fileid)
        self.loadfile(None, filename = path)
    def loadfile(self, event, filename = None):
        if self.slicing and self.slicep is not None:
            self.slicep.terminate()
            return
        basedir = self.settings.last_file_path
        if not os.path.exists(basedir):
            basedir = "."
            try:
                basedir = os.path.split(self.filename)[0]
            except:
                pass
        dlg = None
		
		filename="/media/TRANSCEND/mod/model3.gcode"
		
        if filename is None:
            dlg = wx.FileDialog(self, _("Open file to print"), basedir, style = wx.FD_OPEN | wx.FD_FILE_MUST_EXIST)
            dlg.SetWildcard(_("OBJ, STL, and GCODE files (*.gcode;*.gco;*.g;*.stl;*.STL;*.obj;*.OBJ)|*.gcode;*.gco;*.g;*.stl;*.STL;*.obj;*.OBJ|All Files (*.*)|*.*"))
        if filename or dlg.ShowModal() == wx.ID_OK:
            if filename:
                name = filename
            else:
                name = dlg.GetPath()
                dlg.Destroy()
            if not os.path.exists(name):
                self.statusbar.SetStatusText(_("File not found!"))
                return
            path = os.path.split(name)[0]
            if path != self.settings.last_file_path:
                self.set("last_file_path", path)
            try:
                abspath = os.path.abspath(name)
                recent_files = []
                try:
                    recent_files = json.loads(self.settings.recentfiles)
                except:
                    self.logError(_("Failed to load recent files list:") +
                                  "\n" + traceback.format_exc())
                if abspath in recent_files:
                    recent_files.remove(abspath)
                recent_files.insert(0, abspath)
                if len(recent_files) > 5:
                    recent_files = recent_files[:5]
                self.set("recentfiles", json.dumps(recent_files))
            except:
                self.logError(_("Could not update recent files list:") +
                              "\n" + traceback.format_exc())
            if name.lower().endswith(".stl") or name.lower().endswith(".obj"):
                self.slice(name)
            else:
                self.load_gcode_async(name)
        else:
            dlg.Destroy()
    def load_gcode_async(self, filename):
        self.filename = filename
        gcode = self.pre_gcode_load()
        self.log(_("Loading file: %s") % filename)
        threading.Thread(target = self.load_gcode_async_thread, args = (gcode,)).start()
    def load_gcode_async_thread(self, gcode):
        try:
            self.load_gcode(self.filename,
                            layer_callback = self.layer_ready_cb,
                            gcode = gcode)
        except PronterfaceQuitException:
            return
        wx.CallAfter(self.post_gcode_load)
    def layer_ready_cb(self, gcode, layer):
        global pronterface_quitting
        if pronterface_quitting:
            raise PronterfaceQuitException
        if not self.settings.refreshwhenloading:
            return
        self.viz_last_layer = layer
        if time.time() - self.viz_last_yield > 1.0:
            time.sleep(0.2)
            self.loading_gcode_message = _("Loading %s: %d layers loaded (%d lines)") % (self.filename, layer + 1, len(gcode))
            self.viz_last_yield = time.time()
            wx.CallAfter(self.statusbar.SetStatusText, self.loading_gcode_message)
    def start_viz_thread(self, gcode = None):
        threading.Thread(target = self.loadviz, args = (gcode,)).start()
    def pre_gcode_load(self):
        self.loading_gcode = True
        self.loading_gcode_message = _("Loading %s...") % self.filename
        if self.settings.mainviz == "None":
            gcode = gcoder.LightGCode(deferred = True)
        else:
            gcode = gcoder.GCode(deferred = True)
        self.viz_last_yield = 0
        self.viz_last_layer = -1
        self.start_viz_thread(gcode)
        return gcode
    def post_gcode_load(self, print_stats = True):
        # Must be called in wx.CallAfter for safety
        self.loading_gcode = False
        self.SetTitle(_(u"Pronterface - %s") % self.filename)
        message = _("Loaded %s, %d lines") % (self.filename, len(self.fgcode),)
        self.log(message)
        self.statusbar.SetStatusText(message)
        self.savebtn.Enable(True)
        self.loadbtn.SetLabel(_("Load File"))
        self.printbtn.SetLabel(_("Print"))
        self.pausebtn.SetLabel(_("Pause"))
        self.pausebtn.Disable()
        self.recoverbtn.Disable()
        if self.p.online:
            self.printbtn.Enable()
        self.toolbarsizer.Layout()
        self.viz_last_layer = None
        if print_stats:
            self.output_gcode_stats()
    def output_gcode_stats(self):
        gcode = self.fgcode
        self.log(_("%.2fmm of filament used in this print") % gcode.filament_length)
        self.log(_("The print goes:"))
        self.log(_("- from %.2f mm to %.2f mm in X and is %.2f mm wide") % (gcode.xmin, gcode.xmax, gcode.width))
        self.log(_("- from %.2f mm to %.2f mm in Y and is %.2f mm deep") % (gcode.ymin, gcode.ymax, gcode.depth))
        self.log(_("- from %.2f mm to %.2f mm in Z and is %.2f mm high") % (gcode.zmin, gcode.zmax, gcode.height))
        self.log(_("Estimated duration: %d layers, %s") % gcode.estimate_duration())
    def loadviz(self, gcode = None):
        self.gviz.clear()
        self.gwindow.p.clear()
        if gcode is not None:
            generator = self.gviz.addfile_perlayer(gcode, True)
            next_layer = 0
            # Progressive loading of visualization
            # We load layers up to the last one which has been processed in GCoder
            # (self.viz_last_layer)
            # Once the GCode has been entirely loaded, this variable becomes None,
            # indicating that we can do the last generator call to finish the
            # loading of the visualization, which will itself return None.
            # During preloading we verify that the layer we added is the one we
            # expected through the assert call.
            while True:
                global pronterface_quitting
                if pronterface_quitting:
                    return
                max_layer = self.viz_last_layer
                if max_layer is None:
                    break
                while next_layer <= max_layer:
                    assert(generator.next() == next_layer)
                    next_layer += 1
                time.sleep(0.1)
            generator_output = generator.next()
            while generator_output is not None:
                assert(generator_output in (None, next_layer))
                next_layer += 1
                generator_output = generator.next()
        else:
            # If GCode is not being loaded asynchroneously, it is already
            # loaded, so let's make visualization sequentially
            gcode = self.fgcode
            self.gviz.addfile(gcode)
        wx.CallAfter(self.gviz.Refresh)
        # Load external window sequentially now that everything is ready.
        # We can't really do any better as the 3D viewer might clone the
        # finalized model from the main visualization
        self.gwindow.p.addfile(gcode)

self.mainwindow.Show()

self.mainwindow.loadfile(None, "/media/TRANSCEND/mod/model3.gcode")