Cura/gui/printWindow.py

   1 from __future__ import absolute_import\r
   2 import __init__\r
   3 \r
   4 import wx, threading, re, subprocess, sys, os\r
   5 from wx.lib import buttons\r
   6 \r
   7 from gui import icon\r
   8 from gui import toolbarUtil\r
   9 from util import machineCom\r
  10 from util import profile\r
  11 from util import gcodeInterpreter\r
  12 \r
  13 printWindowMonitorHandle = None\r
  14 \r
  15 def printFile(filename):\r
  16         global printWindowMonitorHandle\r
  17         if printWindowMonitorHandle == None:\r
  18                 printWindowMonitorHandle = printProcessMonitor()\r
  19         printWindowMonitorHandle.loadFile(filename)\r
  20 \r
  21 \r
  22 def startPrintInterface(filename):\r
  23         #startPrintInterface is called from the main script when we want the printer interface to run in a seperate process.\r
  24         # It needs to run in a seperate process, as any running python code blocks the GCode sender pyton code (http://wiki.python.org/moin/GlobalInterpreterLock).\r
  25         app = wx.App(False)\r
  26         printWindowHandle = printWindow()\r
  27         printWindowHandle.Show(True)\r
  28         printWindowHandle.Raise()\r
  29         printWindowHandle.OnConnect(None)\r
  30         printWindowHandle.LoadGCodeFile(filename)\r
  31         app.MainLoop()\r
  32 \r
  33 class printProcessMonitor():\r
  34         def __init__(self):\r
  35                 self.handle = None\r
  36         \r
  37         def loadFile(self, filename):\r
  38                 if self.handle == None:\r
  39                         self.handle = subprocess.Popen([sys.executable, sys.argv[0], '-r', filename], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)\r
  40                         self.thread = threading.Thread(target=self.Monitor)\r
  41                         self.thread.start()\r
  42                 else:\r
  43                         self.handle.stdin.write(filename + '\n')\r
  44         \r
  45         def Monitor(self):\r
  46                 p = self.handle\r
  47                 line = p.stdout.readline()\r
  48                 while(len(line) > 0):\r
  49                         print line.rstrip()\r
  50                         line = p.stdout.readline()\r
  51                 p.wait()\r
  52                 self.handle = None\r
  53                 self.thread = None\r
  54 \r
  55 class PrintCommandButton(buttons.GenBitmapButton):\r
  56         def __init__(self, parent, command, bitmapFilename, size=(20,20)):\r
  57                 self.bitmap = toolbarUtil.getBitmapImage(bitmapFilename)\r
  58                 super(PrintCommandButton, self).__init__(parent.directControlPanel, -1, self.bitmap, size=size)\r
  59 \r
  60                 self.command = command\r
  61                 self.parent = parent\r
  62 \r
  63                 self.SetBezelWidth(1)\r
  64                 self.SetUseFocusIndicator(False)\r
  65 \r
  66                 self.Bind(wx.EVT_BUTTON, self.OnClick)\r
  67 \r
  68         def OnClick(self, e):\r
  69                 self.parent.sendCommand("G91")\r
  70                 self.parent.sendCommand(self.command)\r
  71                 self.parent.sendCommand("G90")\r
  72                 e.Skip()\r
  73 \r
  74 class printWindow(wx.Frame):\r
  75         "Main user interface window"\r
  76         def __init__(self):\r
  77                 super(printWindow, self).__init__(None, -1, title='Printing')\r
  78                 self.machineCom = None\r
  79                 self.machineConnected = False\r
  80                 self.thread = None\r
  81                 self.gcode = None\r
  82                 self.gcodeList = None\r
  83                 self.sendList = []\r
  84                 self.printIdx = None\r
  85                 self.temp = None\r
  86                 self.bedTemp = None\r
  87                 self.bufferLineCount = 4\r
  88                 self.sendCnt = 0\r
  89                 self.feedrateRatioOuterWall = 1.0\r
  90                 self.feedrateRatioInnerWall = 1.0\r
  91                 self.feedrateRatioFill = 1.0\r
  92                 self.feedrateRatioSupport = 1.0\r
  93                 self.pause = False\r
  94 \r
  95                 #self.SetIcon(icon.getMainIcon())\r
  96                 \r
  97                 self.SetSizer(wx.BoxSizer())\r
  98                 self.panel = wx.Panel(self)\r
  99                 self.GetSizer().Add(self.panel, 1, flag=wx.EXPAND)\r
 100                 self.sizer = wx.GridBagSizer(2, 2)\r
 101                 self.panel.SetSizer(self.sizer)\r
 102                 \r
 103                 sb = wx.StaticBox(self.panel, label="Statistics")\r
 104                 boxsizer = wx.StaticBoxSizer(sb, wx.VERTICAL)\r
 105                 self.statsText = wx.StaticText(self.panel, -1, "Filament: ####.##m #.##g\nPrint time: #####:##")\r
 106                 boxsizer.Add(self.statsText, flag=wx.LEFT, border=5)\r
 107                 \r
 108                 self.sizer.Add(boxsizer, pos=(0,0), span=(5,1), flag=wx.EXPAND)\r
 109                 \r
 110                 self.connectButton = wx.Button(self.panel, -1, 'Connect')\r
 111                 #self.loadButton = wx.Button(self.panel, -1, 'Load GCode')\r
 112                 self.printButton = wx.Button(self.panel, -1, 'Print GCode')\r
 113                 self.pauseButton = wx.Button(self.panel, -1, 'Pause')\r
 114                 self.cancelButton = wx.Button(self.panel, -1, 'Cancel print')\r
 115                 self.progress = wx.Gauge(self.panel, -1)\r
 116                 \r
 117                 self.sizer.Add(self.connectButton, pos=(0,1))\r
 118                 #self.sizer.Add(self.loadButton, pos=(1,1))\r
 119                 self.sizer.Add(self.printButton, pos=(2,1))\r
 120                 self.sizer.Add(self.pauseButton, pos=(3,1))\r
 121                 self.sizer.Add(self.cancelButton, pos=(4,1))\r
 122                 self.sizer.Add(self.progress, pos=(5,0), span=(1,2), flag=wx.EXPAND)\r
 123 \r
 124                 nb = wx.Notebook(self.panel)\r
 125                 self.sizer.Add(nb, pos=(0,3), span=(7,4))\r
 126                 \r
 127                 self.temperaturePanel = wx.Panel(nb)\r
 128                 sizer = wx.GridBagSizer(2, 2)\r
 129                 self.temperaturePanel.SetSizer(sizer)\r
 130 \r
 131                 self.temperatureSelect = wx.SpinCtrl(self.temperaturePanel, -1, '0', size=(21*3,21), style=wx.SP_ARROW_KEYS)\r
 132                 self.temperatureSelect.SetRange(0, 400)\r
 133                 self.bedTemperatureLabel = wx.StaticText(self.temperaturePanel, -1, "BedTemp:")\r
 134                 self.bedTemperatureSelect = wx.SpinCtrl(self.temperaturePanel, -1, '0', size=(21*3,21), style=wx.SP_ARROW_KEYS)\r
 135                 self.bedTemperatureSelect.SetRange(0, 400)\r
 136                 self.bedTemperatureLabel.Show(False)\r
 137                 self.bedTemperatureSelect.Show(False)\r
 138                 \r
 139                 sizer.Add(wx.StaticText(self.temperaturePanel, -1, "Temp:"), pos=(0,0))\r
 140                 sizer.Add(self.temperatureSelect, pos=(0,1))\r
 141                 sizer.Add(self.bedTemperatureLabel, pos=(1,0))\r
 142                 sizer.Add(self.bedTemperatureSelect, pos=(1,1))\r
 143 \r
 144                 nb.AddPage(self.temperaturePanel, 'Temp')\r
 145 \r
 146                 self.directControlPanel = wx.Panel(nb)\r
 147                 \r
 148                 sizer = wx.GridBagSizer(2, 2)\r
 149                 self.directControlPanel.SetSizer(sizer)\r
 150                 sizer.Add(PrintCommandButton(self, 'G1 Y100 F6000', 'print-move-y100.png'), pos=(0,3))\r
 151                 sizer.Add(PrintCommandButton(self, 'G1 Y10 F6000', 'print-move-y10.png'), pos=(1,3))\r
 152                 sizer.Add(PrintCommandButton(self, 'G1 Y1 F6000', 'print-move-y1.png'), pos=(2,3))\r
 153 \r
 154                 sizer.Add(PrintCommandButton(self, 'G1 Y-1 F6000', 'print-move-y-1.png'), pos=(4,3))\r
 155                 sizer.Add(PrintCommandButton(self, 'G1 Y-10 F6000', 'print-move-y-10.png'), pos=(5,3))\r
 156                 sizer.Add(PrintCommandButton(self, 'G1 Y-100 F6000', 'print-move-y-100.png'), pos=(6,3))\r
 157 \r
 158                 sizer.Add(PrintCommandButton(self, 'G1 X-100 F6000', 'print-move-x-100.png'), pos=(3,0))\r
 159                 sizer.Add(PrintCommandButton(self, 'G1 X-10 F6000', 'print-move-x-10.png'), pos=(3,1))\r
 160                 sizer.Add(PrintCommandButton(self, 'G1 X-1 F6000', 'print-move-x-1.png'), pos=(3,2))\r
 161 \r
 162                 sizer.Add(PrintCommandButton(self, 'G28 X0 Y0', 'print-move-home.png'), pos=(3,3))\r
 163 \r
 164                 sizer.Add(PrintCommandButton(self, 'G1 X1 F6000', 'print-move-x1.png'), pos=(3,4))\r
 165                 sizer.Add(PrintCommandButton(self, 'G1 X10 F6000', 'print-move-x10.png'), pos=(3,5))\r
 166                 sizer.Add(PrintCommandButton(self, 'G1 X100 F6000', 'print-move-x100.png'), pos=(3,6))\r
 167 \r
 168                 sizer.Add(PrintCommandButton(self, 'G1 Z10 F200', 'print-move-z10.png'), pos=(0,7))\r
 169                 sizer.Add(PrintCommandButton(self, 'G1 Z1 F200', 'print-move-z1.png'), pos=(1,7))\r
 170                 sizer.Add(PrintCommandButton(self, 'G1 Z0.1 F200', 'print-move-z0.1.png'), pos=(2,7))\r
 171 \r
 172                 sizer.Add(PrintCommandButton(self, 'G28 Z0', 'print-move-home.png'), pos=(3,7))\r
 173 \r
 174                 sizer.Add(PrintCommandButton(self, 'G1 Z-0.1 F200', 'print-move-z-0.1.png'), pos=(4,7))\r
 175                 sizer.Add(PrintCommandButton(self, 'G1 Z-1 F200', 'print-move-z-1.png'), pos=(5,7))\r
 176                 sizer.Add(PrintCommandButton(self, 'G1 Z-10 F200', 'print-move-z-10.png'), pos=(6,7))\r
 177 \r
 178                 nb.AddPage(self.directControlPanel, 'Jog')\r
 179 \r
 180                 self.speedPanel = wx.Panel(nb)\r
 181                 sizer = wx.GridBagSizer(2, 2)\r
 182                 self.speedPanel.SetSizer(sizer)\r
 183 \r
 184                 self.outerWallSpeedSelect = wx.SpinCtrl(self.speedPanel, -1, '100', size=(21*3,21), style=wx.SP_ARROW_KEYS)\r
 185                 self.outerWallSpeedSelect.SetRange(5, 1000)\r
 186                 self.innerWallSpeedSelect = wx.SpinCtrl(self.speedPanel, -1, '100', size=(21*3,21), style=wx.SP_ARROW_KEYS)\r
 187                 self.innerWallSpeedSelect.SetRange(5, 1000)\r
 188                 self.fillSpeedSelect = wx.SpinCtrl(self.speedPanel, -1, '100', size=(21*3,21), style=wx.SP_ARROW_KEYS)\r
 189                 self.fillSpeedSelect.SetRange(5, 1000)\r
 190                 self.supportSpeedSelect = wx.SpinCtrl(self.speedPanel, -1, '100', size=(21*3,21), style=wx.SP_ARROW_KEYS)\r
 191                 self.supportSpeedSelect.SetRange(5, 1000)\r
 192                 \r
 193                 sizer.Add(wx.StaticText(self.speedPanel, -1, "Outer wall:"), pos=(0,0))\r
 194                 sizer.Add(self.outerWallSpeedSelect, pos=(0,1))\r
 195                 sizer.Add(wx.StaticText(self.speedPanel, -1, "%"), pos=(0,2))\r
 196                 sizer.Add(wx.StaticText(self.speedPanel, -1, "Inner wall:"), pos=(1,0))\r
 197                 sizer.Add(self.innerWallSpeedSelect, pos=(1,1))\r
 198                 sizer.Add(wx.StaticText(self.speedPanel, -1, "%"), pos=(1,2))\r
 199                 sizer.Add(wx.StaticText(self.speedPanel, -1, "Fill:"), pos=(2,0))\r
 200                 sizer.Add(self.fillSpeedSelect, pos=(2,1))\r
 201                 sizer.Add(wx.StaticText(self.speedPanel, -1, "%"), pos=(2,2))\r
 202                 sizer.Add(wx.StaticText(self.speedPanel, -1, "Support:"), pos=(3,0))\r
 203                 sizer.Add(self.supportSpeedSelect, pos=(3,1))\r
 204                 sizer.Add(wx.StaticText(self.speedPanel, -1, "%"), pos=(3,2))\r
 205 \r
 206                 nb.AddPage(self.speedPanel, 'Speed')\r
 207 \r
 208                 self.sizer.AddGrowableRow(3)\r
 209                 self.sizer.AddGrowableCol(0)\r
 210                 \r
 211                 self.Bind(wx.EVT_CLOSE, self.OnClose)\r
 212                 self.connectButton.Bind(wx.EVT_BUTTON, self.OnConnect)\r
 213                 #self.loadButton.Bind(wx.EVT_BUTTON, self.OnLoad)\r
 214                 self.printButton.Bind(wx.EVT_BUTTON, self.OnPrint)\r
 215                 self.pauseButton.Bind(wx.EVT_BUTTON, self.OnPause)\r
 216                 self.cancelButton.Bind(wx.EVT_BUTTON, self.OnCancel)\r
 217                 \r
 218                 self.Bind(wx.EVT_SPINCTRL, self.OnTempChange, self.temperatureSelect)\r
 219                 self.Bind(wx.EVT_SPINCTRL, self.OnBedTempChange, self.bedTemperatureSelect)\r
 220 \r
 221                 self.Bind(wx.EVT_SPINCTRL, self.OnSpeedChange, self.outerWallSpeedSelect)\r
 222                 self.Bind(wx.EVT_SPINCTRL, self.OnSpeedChange, self.innerWallSpeedSelect)\r
 223                 self.Bind(wx.EVT_SPINCTRL, self.OnSpeedChange, self.fillSpeedSelect)\r
 224                 self.Bind(wx.EVT_SPINCTRL, self.OnSpeedChange, self.supportSpeedSelect)\r
 225                 \r
 226                 self.Layout()\r
 227                 self.Fit()\r
 228                 self.Centre()\r
 229 \r
 230                 self.UpdateButtonStates()\r
 231                 self.UpdateProgress()\r
 232         \r
 233         def UpdateButtonStates(self):\r
 234                 self.connectButton.Enable(not self.machineConnected)\r
 235                 #self.loadButton.Enable(self.printIdx == None)\r
 236                 self.printButton.Enable(self.machineConnected and self.gcodeList != None and self.printIdx == None)\r
 237                 self.pauseButton.Enable(self.printIdx != None)\r
 238                 self.cancelButton.Enable(self.printIdx != None)\r
 239                 self.temperatureSelect.Enable(self.machineConnected)\r
 240                 self.bedTemperatureSelect.Enable(self.machineConnected)\r
 241                 self.directControlPanel.Enable(self.machineConnected)\r
 242         \r
 243         def UpdateProgress(self):\r
 244                 status = ""\r
 245                 if self.gcode != None:\r
 246                         status += "Filament: %.2fm %.2fg\n" % (self.gcode.extrusionAmount / 1000, self.gcode.calculateWeight() * 1000)\r
 247                         cost = self.gcode.calculateCost()\r
 248                         if cost != False:\r
 249                                 status += "Filament cost: %s\n" % (cost)\r
 250                         status += "Print time: %02d:%02d\n" % (int(self.gcode.totalMoveTimeMinute / 60), int(self.gcode.totalMoveTimeMinute % 60))\r
 251                 if self.printIdx == None:\r
 252                         self.progress.SetValue(0)\r
 253                         if self.gcodeList != None:\r
 254                                 status += 'Line: -/%d\n' % (len(self.gcodeList))\r
 255                 else:\r
 256                         status += 'Line: %d/%d\n' % (self.printIdx, len(self.gcodeList))\r
 257                         self.progress.SetValue(self.printIdx)\r
 258                 if self.temp != None:\r
 259                         status += 'Temp: %d\n' % (self.temp)\r
 260                 if self.bedTemp != None and self.bedTemp > 0:\r
 261                         status += 'Bed Temp: %d\n' % (self.bedTemp)\r
 262                         self.bedTemperatureLabel.Show(True)\r
 263                         self.bedTemperatureSelect.Show(True)\r
 264                         self.temperaturePanel.Layout()\r
 265                 self.statsText.SetLabel(status.strip())\r
 266                 self.Layout()\r
 267         \r
 268         def OnConnect(self, e):\r
 269                 if self.machineCom != None:\r
 270                         self.machineCom.close()\r
 271                         self.thread.join()\r
 272                 self.machineCom = machineCom.MachineCom()\r
 273                 self.thread = threading.Thread(target=self.PrinterMonitor)\r
 274                 self.thread.start()\r
 275                 self.UpdateButtonStates()\r
 276         \r
 277         def OnLoad(self, e):\r
 278                 pass\r
 279         \r
 280         def OnPrint(self, e):\r
 281                 if not self.machineConnected:\r
 282                         return\r
 283                 if self.gcodeList == None:\r
 284                         return\r
 285                 if self.printIdx != None:\r
 286                         return\r
 287                 self.printIdx = 1\r
 288                 self.sendLine(0)\r
 289                 self.sendCnt = self.bufferLineCount\r
 290                 self.UpdateButtonStates()\r
 291         \r
 292         def OnCancel(self, e):\r
 293                 self.printIdx = None\r
 294                 self.pause = False\r
 295                 self.pauseButton.SetLabel('Pause')\r
 296                 self.sendCommand("M84")\r
 297                 self.UpdateButtonStates()\r
 298         \r
 299         def OnPause(self, e):\r
 300                 if self.pause:\r
 301                         self.pause = False\r
 302                         self.sendLine(self.printIdx)\r
 303                         self.printIdx += 1\r
 304                         self.pauseButton.SetLabel('Pause')\r
 305                 else:\r
 306                         self.pause = True\r
 307                         self.pauseButton.SetLabel('Resume')\r
 308         \r
 309         def OnClose(self, e):\r
 310                 global printWindowHandle\r
 311                 printWindowHandle = None\r
 312                 if self.machineCom != None:\r
 313                         self.machineCom.close()\r
 314                         self.thread.join()\r
 315                 self.Destroy()\r
 316 \r
 317         def OnTempChange(self, e):\r
 318                 self.sendCommand("M104 S%d" % (self.temperatureSelect.GetValue()))\r
 319 \r
 320         def OnBedTempChange(self, e):\r
 321                 self.sendCommand("M140 S%d" % (self.bedTemperatureSelect.GetValue()))\r
 322         \r
 323         def OnSpeedChange(self, e):\r
 324                 self.feedrateRatioOuterWall = self.outerWallSpeedSelect.GetValue() / 100.0\r
 325                 self.feedrateRatioInnerWall = self.innerWallSpeedSelect.GetValue() / 100.0\r
 326                 self.feedrateRatioFill = self.fillSpeedSelect.GetValue() / 100.0\r
 327                 self.feedrateRatioSupport = self.supportSpeedSelect.GetValue() / 100.0\r
 328 \r
 329         def LoadGCodeFile(self, filename):\r
 330                 if self.printIdx != None:\r
 331                         return\r
 332                 #Send an initial M110 to reset the line counter to zero.\r
 333                 lineType = 'CUSTOM'\r
 334                 gcodeList = ["M110"]\r
 335                 typeList = [lineType]\r
 336                 for line in open(filename, 'r'):\r
 337                         if line.startswith(';TYPE:'):\r
 338                                 lineType = line[6:].strip()\r
 339                         if ';' in line:\r
 340                                 line = line[0:line.find(';')]\r
 341                         line = line.strip()\r
 342                         if len(line) > 0:\r
 343                                 gcodeList.append(line)\r
 344                                 typeList.append(lineType)\r
 345                 gcode = gcodeInterpreter.gcode()\r
 346                 gcode.loadList(gcodeList)\r
 347                 print "Loaded: %s (%d)" % (filename, len(gcodeList))\r
 348                 self.progress.SetRange(len(gcodeList))\r
 349                 self.gcode = gcode\r
 350                 self.gcodeList = gcodeList\r
 351                 self.typeList = typeList\r
 352                 self.UpdateButtonStates()\r
 353                 self.UpdateProgress()\r
 354                 \r
 355         def sendCommand(self, cmd):\r
 356                 if self.machineConnected:\r
 357                         if self.printIdx == None or self.pause:\r
 358                                 self.machineCom.sendCommand(cmd)\r
 359                         else:\r
 360                                 self.sendList.append(cmd)\r
 361 \r
 362         def sendLine(self, lineNr):\r
 363                 if lineNr >= len(self.gcodeList):\r
 364                         return False\r
 365                 line = self.gcodeList[lineNr]\r
 366                 if self.typeList[lineNr] == 'WALL-OUTER':\r
 367                         line = re.sub('F([0-9]*)', lambda m: 'F' + str(int(int(m.group(1)) * self.feedrateRatioOuterWall)), line)\r
 368                 if self.typeList[lineNr] == 'WALL-INNER':\r
 369                         line = re.sub('F([0-9]*)', lambda m: 'F' + str(int(int(m.group(1)) * self.feedrateRatioInnerWall)), line)\r
 370                 if self.typeList[lineNr] == 'FILL':\r
 371                         line = re.sub('F([0-9]*)', lambda m: 'F' + str(int(int(m.group(1)) * self.feedrateRatioFill)), line)\r
 372                 if self.typeList[lineNr] == 'SUPPORT':\r
 373                         line = re.sub('F([0-9]*)', lambda m: 'F' + str(int(int(m.group(1)) * self.feedrateRatioSupport)), line)\r
 374                 checksum = reduce(lambda x,y:x^y, map(ord, "N%d%s" % (lineNr, line)))\r
 375                 self.machineCom.sendCommand("N%d%s*%d" % (lineNr, line, checksum))\r
 376                 if line == 'M0' or line == 'M1':\r
 377                         self.OnPause(None)\r
 378                 return True\r
 379 \r
 380         def PrinterMonitor(self):\r
 381                 while True:\r
 382                         line = self.machineCom.readline()\r
 383                         if line == None:\r
 384                                 self.machineConnected = False\r
 385                                 wx.CallAfter(self.UpdateButtonStates)\r
 386                                 return\r
 387                         if self.machineConnected:\r
 388                                 while self.sendCnt > 0 and not self.pause:\r
 389                                         self.sendLine(self.printIdx)\r
 390                                         self.printIdx += 1\r
 391                                         self.sendCnt -= 1\r
 392                         elif line.startswith("start"):\r
 393                                 self.machineConnected = True\r
 394                                 wx.CallAfter(self.UpdateButtonStates)\r
 395                         if 'T:' in line:\r
 396                                 self.temp = float(re.search("[0-9\.]*", line.split('T:')[1]).group(0))\r
 397                                 if 'B:' in line:\r
 398                                         self.bedTemp = float(re.search("[0-9\.]*", line.split('B:')[1]).group(0))\r
 399                                 wx.CallAfter(self.UpdateProgress)\r
 400                         if line == '':  #When we have a communication "timeout" and we're not sending gcode, then read the temperature.\r
 401                                 if self.printIdx == None or self.pause:\r
 402                                         self.machineCom.sendCommand("M105")\r
 403                         if self.printIdx != None:\r
 404                                 if line.startswith("ok"):\r
 405                                         if len(self.sendList) > 0:\r
 406                                                 self.machineCom.sendCommand(self.sendList.pop(0))\r
 407                                         elif self.pause:\r
 408                                                 self.sendCnt += 1\r
 409                                         else:\r
 410                                                 if self.sendLine(self.printIdx):\r
 411                                                         self.printIdx += 1\r
 412                                                 else:\r
 413                                                         self.printIdx = None\r
 414                                                         wx.CallAfter(self.UpdateButtonStates)\r
 415                                                 wx.CallAfter(self.UpdateProgress)\r
 416                                 elif "resend" in line.lower() or "rs" in line:\r
 417                                         try:\r
 418                                                 lineNr=int(line.replace("N:"," ").replace("N"," ").replace(":"," ").split()[-1])\r
 419                                         except:\r
 420                                                 if "rs" in line:\r
 421                                                         lineNr=int(line.split()[1])\r
 422                                         self.printIdx = lineNr\r
 423                                         #we should actually resend the line here, but we also get an "ok" for each error from Marlin. And thus we'll resend on the OK.\r
 424 \r