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Prevent Cura from messing with serial ports of other devices by filtering ports with regular expressions passed in as environment variables

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joba-1 2018-10-11 23:05:08 +02:00
parent e3861b0d90
commit c813005170
1 changed files with 23 additions and 0 deletions
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23
plugins/USBPrinting/USBPrinterOutputDeviceManager.py
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@ -5,6 +5,8 @@ import threading
import platform
import time
import serial.tools.list_ports
from os import environ
from re import search
from PyQt5.QtCore import QObject, pyqtSlot, pyqtProperty, pyqtSignal
@ -175,6 +177,27 @@ class USBPrinterOutputDeviceManager(QObject, OutputDevicePlugin):
port = (port.device, port.description, port.hwid)
if only_list_usb and not port[2].startswith("USB"):
continue
# To prevent cura from messing with serial ports of other devices,
# filter by regular expressions passed in as environment variables.
# Get possible patterns with python3 -m serial.tools.list_ports -v
# set CURA_DEVICENAMES=USB[1-9] -> e.g. not matching /dev/ttyUSB0
pattern = environ.get('CURA_DEVICENAMES')
if pattern and not search(pattern, port[0]):
continue
# set CURA_DEVICETYPES=CP2102 -> match a type of serial converter
pattern = environ.get('CURA_DEVICETYPES')
if pattern and not search(pattern, port[1]):
continue
# set CURA_DEVICEINFOS=LOCATION=2-1.4 -> match a physical port
# set CURA_DEVICEINFOS=VID:PID=10C4:EA60 -> match a vendor:product
pattern = environ.get('CURA_DEVICEINFOS')
if pattern and not search(pattern, port[2]):
continue
base_list += [port[0]]
return list(base_list)