Prevent a zeroDivision error from crashing the usb printing

This fixes #5592
This commit is contained in:
Jaime van Kessel 2019-04-08 13:36:48 +02:00
parent 0bad57259c
commit cbfe10a748

View file

@ -371,10 +371,17 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
self._sendCommand("N%d%s*%d" % (self._gcode_position, line, checksum))
progress = (self._gcode_position / len(self._gcode))
print_job = self._printers[0].activePrintJob
try:
progress = self._gcode_position / len(self._gcode)
except ZeroDivisionError:
# There is nothing to send!
if print_job is not None:
print_job.updateState("error")
return
elapsed_time = int(time() - self._print_start_time)
print_job = self._printers[0].activePrintJob
if print_job is None:
controller = GenericOutputController(self)
controller.setCanUpdateFirmware(True)