I am getting an error when I try to run wee_device.

I stopped the weewx service and waited 1 minute before issuing
 wee_device --info

I got the following error message:

wee_device --info

Using configuration file /etc/weewx/weewx.conf

Using Vantage driver version 3.5.2 (weewx.drivers.vantage)

Traceback (most recent call last):

  File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 322, in 
open

    self.fd = os.open(self.portstr, os.O_RDWR | os.O_NOCTTY | os.O_NONBLOCK)

PermissionError: [Errno 13] Permission denied: '/dev/ttyUSB0'


During handling of the above exception, another exception occurred:


Traceback (most recent call last):

  File "/usr/share/weewx/wee_device", line 76, in <module>

    main()

  File "/usr/share/weewx/wee_device", line 72, in main

    device.configure(config_dict)

  File "/usr/share/weewx/weewx/drivers/__init__.py", line 67, in configure

    self.do_options(options, parser, config_dict, not options.noprompt)

  File "/usr/share/weewx/weewx/drivers/vantage.py", line 2155, in do_options

    station = Vantage(**config_dict[DRIVER_NAME])

  File "/usr/share/weewx/weewx/drivers/vantage.py", line 531, in __init__

    self.port.openPort()

  File "/usr/share/weewx/weewx/drivers/vantage.py", line 318, in openPort

    self.serial_port = serial.Serial(self.port, self.baudrate, 
timeout=self.timeout)

  File "/usr/lib/python3/dist-packages/serial/serialutil.py", line 244, in 
__init__

    self.open()

  File "/usr/lib/python3/dist-packages/serial/serialposix.py", line 325, in 
open

    raise SerialException(msg.errno, "could not open port {}: 
{}".format(self._port, msg))

serial.serialutil.SerialException: [Errno 13] could not open port 
/dev/ttyUSB0: [Errno 13] Permission denied: '/dev/ttyUSB0'


I am not sure what to change on my system to allow wee_device to access the 
/dev/ttyUSB0.


Fred

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