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Cura crashed because of RuntimeError after switching between monitor and prepare view

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CURA-4376
This commit is contained in:
A.Sasin 2017-10-10 09:16:35 +02:00
parent 1c5d352b88
commit 99d9961297
1 changed files with 8 additions and 4 deletions
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8
plugins/UM3NetworkPrinting/NetworkPrinterOutputDevice.py
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@ -334,13 +334,17 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._camera_timer.stop()
if self._image_reply:
skip_abort = False
try:
try:
self._image_reply.downloadProgress.disconnect(self._onStreamDownloadProgress)
except TypeError:
except Exception as e:
if type(e) != RuntimeError: # can happen the RuntimeError occurs before calling abort (=see below), then then the application will crash
skip_abort = True
pass #The signal was never connected.
if not skip_abort:
self._image_reply.abort()
except RuntimeError:
except Exception as e: #RuntimeError
pass # It can happen that the wrapped c++ object is already deleted.
self._image_reply = None
self._image_request = None