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Added exception handling for when wrapped reply object is already deleted

Browse Source 
CURA-2295
This commit is contained in:
Jaime van Kessel 2016-09-07 11:56:19 +02:00
parent f2e93bfd97
commit 93cc25b408
1 changed files with 20 additions and 14 deletions
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34
NetworkPrinterOutputDevice.py
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@ -252,13 +252,16 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._connection_message.show()
# Check if we were uploading something. Abort if this is the case.
# Some operating systems handle this themselves, others give weird issues.
if self._post_reply:
self._post_reply.abort()
try:
self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
except TypeError:
pass # The disconnection can fail on mac in some cases. Ignore that.
self._progress_message.hide()
try:
if self._post_reply:
self._post_reply.abort()
try:
self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
except TypeError:
pass # The disconnection can fail on mac in some cases. Ignore that.
self._progress_message.hide()
except RuntimeError:
self._post_reply = None # It can happen that the wrapped c++ object is already deleted.
return
else:
self._recreate_network_manager_count = 1
@ -273,13 +276,16 @@ class NetworkPrinterOutputDevice(PrinterOutputDevice):
self._connection_message.show()
# Check if we were uploading something. Abort if this is the case.
# Some operating systems handle this themselves, others give weird issues.
if self._post_reply:
self._post_reply.abort()
try:
self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
except TypeError:
pass # The disconnection can fail on mac in some cases. Ignore that.
self._progress_message.hide()
try:
if self._post_reply:
self._post_reply.abort()
try:
self._post_reply.uploadProgress.disconnect(self._onUploadProgress)
except TypeError:
pass # The disconnection can fail on mac in some cases. Ignore that.
self._progress_message.hide()
except RuntimeError:
self._post_reply = None # It can happen that the wrapped c++ object is already deleted.
self.setConnectionState(ConnectionState.error)
return