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Code Issues Projects Releases Packages Wiki Activity Actions 8

Properly close all open USB connections on shut down

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Contributes to #82
This commit is contained in:
Arjen Hiemstra 2015-07-09 16:30:12 +02:00
parent a83bcedb22
commit 20874d88ad
1 changed files with 6 additions and 0 deletions
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6
plugins/USBPrinting/USBPrinterManager.py
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@ -46,6 +46,8 @@ class USBPrinterManager(QObject, SignalEmitter, Extension):
## Add menu item to top menu of the application.
self.setMenuName("Firmware")
self.addMenuItem(i18n_catalog.i18n("Update Firmware"), self.updateAllFirmware)
Application.getInstance().applicationShuttingDown.connect(self._onApplicationShuttingDown)
pyqtError = pyqtSignal(str, arguments = ["error"])
processingProgress = pyqtSignal(float, arguments = ["amount"])
@ -292,3 +294,7 @@ class USBPrinterManager(QObject, SignalEmitter, Extension):
else:
base_list = base_list + glob.glob("/dev/ttyUSB*") + glob.glob("/dev/ttyACM*") + glob.glob("/dev/cu.*") + glob.glob("/dev/tty.usb*") + glob.glob("/dev/rfcomm*") + glob.glob("/dev/serial/by-id/*")
return base_list
def _onApplicationShuttingDown(self):
for connection in self._printer_connections:
connection.close()