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Properly clean up printer connections that are no longer available.

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Contributes to CURA-274
This commit is contained in:
Arjen Hiemstra 2015-10-30 13:46:31 +01:00
parent 67e00221eb
commit a1087150ef
1 changed files with 11 additions and 0 deletions
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11
plugins/USBPrinting/USBPrinterManager.py
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@ -11,6 +11,7 @@ from UM.Logger import Logger
from UM.PluginRegistry import PluginRegistry
from UM.OutputDevice.OutputDevicePlugin import OutputDevicePlugin
from UM.Qt.ListModel import ListModel
from UM.Message import Message
from cura.CuraApplication import CuraApplication
@ -163,6 +164,16 @@ class USBPrinterManager(QObject, SignalEmitter, OutputDevicePlugin, Extension):
continue
self._serial_port_list = list(serial_ports)
connections_to_remove = []
for port, connection in self._printer_connections.items():
if port not in self._serial_port_list:
connection.close()
connections_to_remove.append(port)
for port in connections_to_remove:
del self._printer_connections[port]
## Because the model needs to be created in the same thread as the QMLEngine, we use a signal.
def addConnection(self, serial_port):
connection = PrinterConnection.PrinterConnection(serial_port)