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Switch if-statement around for fail checking

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This reduces indent and makes the control flow a bit easier to read in my opinion.

Contributes to issue CURA-5061.
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Ghostkeeper 2018-03-08 15:18:32 +01:00
parent 375770818b
commit 676f9b8474
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GPG Key ID: 5252B696FB5E7C7A
1 changed files with 33 additions and 26 deletions
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11
plugins/UltimakerMachineActions/BedLevelMachineAction.py
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@ -10,6 +10,7 @@ from UM.FlameProfiler import pyqtSlot
from UM.Application import Application from UM.Application import Application
from UM.i18n import i18nCatalog from UM.i18n import i18nCatalog
from UM.Logger import Logger
catalog = i18nCatalog("cura") catalog = i18nCatalog("cura")
@ -32,7 +33,10 @@ class BedLevelMachineAction(MachineAction):
def startBedLeveling(self): def startBedLeveling(self):
self._bed_level_position = 0 self._bed_level_position = 0
printer_output_devices = self._getPrinterOutputDevices() printer_output_devices = self._getPrinterOutputDevices()
if printer_output_devices: if not printer_output_devices:
Logger.log("e", "Can't start bed levelling. The printer connection seems to have been lost.")
return
printer_output_devices[0].homeBed() printer_output_devices[0].homeBed()
printer_output_devices[0].moveHead(0, 0, 3) printer_output_devices[0].moveHead(0, 0, 3)
printer_output_devices[0].homeHead() printer_output_devices[0].homeHead()
@ -43,7 +47,10 @@ class BedLevelMachineAction(MachineAction):
@pyqtSlot() @pyqtSlot()
def moveToNextLevelPosition(self): def moveToNextLevelPosition(self):
output_devices = self._getPrinterOutputDevices() output_devices = self._getPrinterOutputDevices()
if output_devices: # We found at least one output device if not output_devices: #No output devices. Can't move.
Logger.log("e", "Can't move to the next position. The printer connection seems to have been lost.")
return
output_device = output_devices[0] output_device = output_devices[0]
if self._bed_level_position == 0: if self._bed_level_position == 0: