GNU bug report logs - #35808
python-yubikey-manager: ykman crashes

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ricardo Wurmus <rekado <at> elephly.net>
Subject: bug#35808: closed (Re: python-yubikey-manager: ykman crashes)
Date: Mon, 20 May 2019 22:13:02 +0000

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Your bug report

#35808: python-yubikey-manager: ykman crashes

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 35808 <at> debbugs.gnu.org.

-- 
35808: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35808
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ricardo Wurmus <rekado <at> elephly.net>
To: 35808-done <at> debbugs.gnu.org
Subject: Re: python-yubikey-manager: ykman crashes
Date: Mon, 20 May 2019 23:56:11 +0200

Ricardo Wurmus <rekado <at> elephly.net> writes:

> Ricardo Wurmus <rekado <at> elephly.net> writes:
>
>> I installed python-yubikey-manager and wanted to see a list of all
>> connected keys (one is connected), but instead got this backtrace:
> […]
>
>> smartcard.pcsc.PCSCExceptions.EstablishContextException: 'Failure to establish context: Service not available.'
>
> It seems that this is because I didn’t start the pcscd service.  I’ll
> try to reconfigure my system with (service pcscd-service-type).

This fixed it.  It would be nice if ykman would fail gracefully, but
that’s an upstream issue.

Closing.

-- 
Ricardo

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From: Ricardo Wurmus <rekado <at> elephly.net>
To: bug-guix <at> gnu.org
Subject: python-yubikey-manager: ykman crashes
Date: Mon, 20 May 2019 14:40:04 +0200

I installed python-yubikey-manager and wanted to see a list of all
connected keys (one is connected), but instead got this backtrace:

--8<---------------cut here---------------start------------->8---
$ ykman list
Traceback (most recent call last):
  File "/gnu/store/rnn8dafmhl7flhvdmgn3v67y8zhshp3a-python-yubikey-manager-2.1.0/bin/.ykman-real", line 11, in <module>
    load_entry_point('yubikey-manager==2.1.0', 'console_scripts', 'ykman')()
  File "/gnu/store/rnn8dafmhl7flhvdmgn3v67y8zhshp3a-python-yubikey-manager-2.1.0/lib/python3.7/site-packages/ykman/cli/__main__.py", line 253, in main
    cli(obj={})
  File "/gnu/store/y5jigvqfpdsnxgvgxhj2aiyj8xcsk6nk-python-click-7.0/lib/python3.7/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/gnu/store/y5jigvqfpdsnxgvgxhj2aiyj8xcsk6nk-python-click-7.0/lib/python3.7/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/gnu/store/y5jigvqfpdsnxgvgxhj2aiyj8xcsk6nk-python-click-7.0/lib/python3.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/gnu/store/y5jigvqfpdsnxgvgxhj2aiyj8xcsk6nk-python-click-7.0/lib/python3.7/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/gnu/store/y5jigvqfpdsnxgvgxhj2aiyj8xcsk6nk-python-click-7.0/lib/python3.7/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/gnu/store/y5jigvqfpdsnxgvgxhj2aiyj8xcsk6nk-python-click-7.0/lib/python3.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/gnu/store/rnn8dafmhl7flhvdmgn3v67y8zhshp3a-python-yubikey-manager-2.1.0/lib/python3.7/site-packages/ykman/cli/__main__.py", line 213, in list_keys
    for dev in list_devices():
  File "/gnu/store/rnn8dafmhl7flhvdmgn3v67y8zhshp3a-python-yubikey-manager-2.1.0/lib/python3.7/site-packages/ykman/descriptor.py", line 152, in list_devices
    for d in _list_drivers(transports):
  File "/gnu/store/rnn8dafmhl7flhvdmgn3v67y8zhshp3a-python-yubikey-manager-2.1.0/lib/python3.7/site-packages/ykman/descriptor.py", line 138, in _list_drivers
    for dev in open_ccid():
  File "/gnu/store/rnn8dafmhl7flhvdmgn3v67y8zhshp3a-python-yubikey-manager-2.1.0/lib/python3.7/site-packages/ykman/driver_ccid.py", line 322, in open_devices
    readers = list_readers()
  File "/gnu/store/rnn8dafmhl7flhvdmgn3v67y8zhshp3a-python-yubikey-manager-2.1.0/lib/python3.7/site-packages/ykman/driver_ccid.py", line 312, in list_readers
    return System.readers()
  File "/gnu/store/2q87j0qfp3blwvkq9x46514k86dgqi0q-python-pyscard-1.9.8/lib/python3.7/site-packages/smartcard/System.py", line 42, in readers
    return smartcard.reader.ReaderFactory.ReaderFactory.readers(groups)
  File "/gnu/store/2q87j0qfp3blwvkq9x46514k86dgqi0q-python-pyscard-1.9.8/lib/python3.7/site-packages/smartcard/reader/ReaderFactory.py", line 58, in readers
    zreaders += fm(groups)
  File "/gnu/store/2q87j0qfp3blwvkq9x46514k86dgqi0q-python-pyscard-1.9.8/lib/python3.7/site-packages/smartcard/pcsc/PCSCReader.py", line 110, in readers
    hcontext = PCSCContext().getContext()
  File "/gnu/store/2q87j0qfp3blwvkq9x46514k86dgqi0q-python-pyscard-1.9.8/lib/python3.7/site-packages/smartcard/pcsc/PCSCContext.py", line 56, in __init__
    self.renewContext()
  File "/gnu/store/2q87j0qfp3blwvkq9x46514k86dgqi0q-python-pyscard-1.9.8/lib/python3.7/site-packages/smartcard/pcsc/PCSCContext.py", line 70, in renewContext
    PCSCContext.instance = PCSCContext.__PCSCContextSingleton()
  File "/gnu/store/2q87j0qfp3blwvkq9x46514k86dgqi0q-python-pyscard-1.9.8/lib/python3.7/site-packages/smartcard/pcsc/PCSCContext.py", line 40, in __init__
    raise EstablishContextException(hresult)
smartcard.pcsc.PCSCExceptions.EstablishContextException: 'Failure to establish context: Service not available.'
--8<---------------cut here---------------end--------------->8---

--
Ricardo

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