Uncaught exception on connection issues

[szszszsz]

Uncaught exception on connection trouble clutters the screen, confusing user. To catch it, and leave human-readable message instead.

Details:

• https://support.nitrokey.com/t/update-nk3-not-working/3950

Output

Please press the touch button to reboot the device into bootloader mode ...
[Press]

Critical error:
Failed to connect to Nitrokey 3 bootloader
Are the Nitrokey udev rules installed and active?
    Exception encountered: McuBootConnectionError()
Traceback (most recent call last):
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/cli/__init__.py", line 105, in main
    nitropy()
  File "/usr/lib/python3/dist-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/usr/lib/python3/dist-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3/dist-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/lib/python3/dist-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/lib/python3/dist-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/usr/lib/python3/dist-packages/click/decorators.py", line 27, in new_func
    return f(get_current_context().obj, *args, **kwargs)
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/cli/nk3/__init__.py", line 377, in update
    raise CliException(*msgs, exc)
pynitrokey.cli.exceptions.CliException: Failed to connect to Nitrokey 3 bootloader
Are the Nitrokey udev rules installed and active?
MBoot: Connection issue -> Unable to open device 'b'/dev/hidraw5'' VID=8352 PID=17117 SN=''

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/daniel/.local/lib/python3.8/site-packages/spsdk/mboot/interfaces/usb.py", line 153, in open
    self.device.Open(self.path)
  File "/home/daniel/.local/lib/python3.8/site-packages/libusbsio/libusbsio.py", line 1322, in Open
    self.logger.info("HID device %d is now open" % self._h)
TypeError: %d format: a number is required, not NoneType

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/daniel/.local/bin/nitropy", line 8, in <module>
    sys.exit(main())
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/cli/__init__.py", line 107, in main
    e.show()
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/cli/exceptions.py", line 25, in show
    local_critical(
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/helpers.py", line 202, in local_critical
    nitropy.commands["list"].callback()
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/cli/__init__.py", line 90, in list
    _list()
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/cli/__init__.py", line 84, in _list
    nk3.commands["list"].callback()
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/cli/nk3/__init__.py", line 110, in list
    with device as device:
  File "/home/daniel/.local/lib/python3.8/site-packages/pynitrokey/nk3/bootloader.py", line 47, in __enter__
    self.device.open()
  File "/home/daniel/.local/lib/python3.8/site-packages/spsdk/mboot/mcuboot.py", line 258, in open
    self._device.open()
  File "/home/daniel/.local/lib/python3.8/site-packages/spsdk/mboot/interfaces/usb.py", line 156, in open
    raise McuBootConnectionError(
spsdk.mboot.exceptions.McuBootConnectionError: MBoot: Connection issue -> Unable to open device 'b'/dev/hidraw5'' VID=8352 PID=17117 SN=''