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Fix MachineManager connection to OutputDeviceManager signals late.

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If a PrinterOutputDevice is able to connect quickly to a machine, then
by the time the MachineManager is created and connects to the signal,
it will be too late, and it might miss that there is already connected
devices.

# Conflicts:
#	plugins/USBPrinting/USBPrinterOutputDeviceManager.py
This commit is contained in:
Youness Alaoui 2016-09-14 14:57:43 -04:00 • committed by fieldOfView
parent 391533e939
commit 7e7e15a12b
2 changed files with 10 additions and 18 deletions
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26
plugins/USBPrinting/USBPrinterOutputDeviceManager.py
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@ -19,6 +19,7 @@ import platform
import glob
import time
import os.path
import serial.tools.list_ports
from UM.Extension import Extension
from PyQt5.QtQml import QQmlComponent, QQmlContext
@ -252,24 +253,13 @@ class USBPrinterOutputDeviceManager(QObject, OutputDevicePlugin, Extension):
# \param only_list_usb If true, only usb ports are listed
def getSerialPortList(self, only_list_usb = False):
base_list = []
if platform.system() == "Windows":
import winreg # type: ignore @UnresolvedImport
try:
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE,"HARDWARE\\DEVICEMAP\\SERIALCOMM")
i = 0
while True:
values = winreg.EnumValue(key, i)
if not only_list_usb or "USBSER" or "VCP" in values[0]:
base_list += [values[1]]
i += 1
except Exception as e:
pass
else:
if only_list_usb:
base_list = base_list + glob.glob("/dev/ttyUSB*") + glob.glob("/dev/ttyACM*") + glob.glob("/dev/cu.usb*") + glob.glob("/dev/tty.wchusb*") + glob.glob("/dev/cu.wchusb*")
base_list = filter(lambda s: "Bluetooth" not in s, base_list) # Filter because mac sometimes puts them in the list
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/tty.wchusb*") + glob.glob("/dev/cu.wchusb*") + glob.glob("/dev/rfcomm*") + glob.glob("/dev/serial/by-id/*")
for port in serial.tools.list_ports.comports():
if not isinstance(port, tuple):
port = (port.device, port.description, port.hwid)
if only_list_usb and not port[2].startswith("USB"):
continue
base_list += [port[0]]
return list(base_list)
_instance = None # type: "USBPrinterOutputDeviceManager"