I've tried adding /usr/local/lib to both $PATH and $LD_LIBRARY_PATH (I
had to create the latter), but no luck; the error persists.
On Wed, May 5, 2010 at 6:19 PM, Wander Lairson <wander.lair...@gmail.com> wrote:
> Hi Mike,
>
> What about your library path? Does it point to /usr/local/lib ?
>
> Wander
>
> 2010/5/5 Mike Lawrence <mike.lawre...@dal.ca>
>>
>> Hi folks,
>>
>> Apologies if I've missed the solution to this in my search of the
>> mailing list's archives, but I'm getting a "No backend available"
>> error when using pyusb-1.0.0-a0 with libusb-1.0.8. Both compiled fine
>> and I see all the requisite files in /usr/local/lib (
>> libusb-1.0.0.dylib, libusb-1.0.a, libusb-1.0.dylib, libusb-1.0.la ),
>> but:
>>
>> Python 2.6.2 (r262:71600, Apr 16 2009, 09:17:39)
>> [GCC 4.0.1 (Apple Computer, Inc. build 5250)] on darwin
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import usb; usb.busses()
>> Traceback (most recent call last):
>> File "<stdin>", line 1, in <module>
>> File
>> "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/usb/legacy.py",
>> line 326, in busses
>> return (Bus(),)
>> File
>> "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/usb/legacy.py",
>> line 322, in __init__
>> self.devices = [Device(d) for d in core.find(find_all=True)]
>> File
>> "/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/usb/core.py",
>> line 819, in find
>> raise ValueError('No backend available')
>> ValueError: No backend available
>>
>>
>> Any suggestions?
>>
>>
>> --
>> Mike Lawrence
>> Graduate Student
>> Department of Psychology
>> Dalhousie University
>>
>> Looking to arrange a meeting? Check my public calendar:
>> http://tr.im/mikes_public_calendar
>>
>> ~ Certainty is folly... I think. ~
>>
>>
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>> https://lists.sourceforge.net/lists/listinfo/pyusb-users
>
>
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>
--
Mike Lawrence
Graduate Student
Department of Psychology
Dalhousie University
Looking to arrange a meeting? Check my public calendar:
http://tr.im/mikes_public_calendar
~ Certainty is folly... I think. ~
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