I'm using the libusb1.2.4.9 win32 backend I think. I downloaded the .zip file 
found here:
https://sourceforge.net/projects/libusb-win32/files/libusb-win32-snapshots/20110713/ 


In the zip were the following files:
libusb-win32-devel-filter-1.2.4.9.exe

libusb-win32-src-1.2.4.9.zip

libusb-win32-bin-1.2.4.9.zip

libusb-win32-debug-1.2.4.9.zip


I did nothing more than run the exe. I feel like I'm missing a step here.



________________________________
 From: chris clark <clac...@gmail.com>
To: greg yurikov <gyuri...@yahoo.com>; pyusb-users@lists.sourceforge.net 
Sent: Thursday, May 17, 2012 1:07 PM
Subject: Re: [pyusb-users] NotImplementedError when using pyusb
 




On Thu, May 17, 2012 at 11:40 AM, greg yurikov <gyuri...@yahoo.com> wrote:

....
>
>
>I get this error:
>
>
>  File "test.py", line 20, in <module>
>    if device.is_kernel_driver_active(0):
>  File "C:\Python26\lib\site-packages\usb\core.py", line 704, in 
>is_kernel_driver_active
>    return self._ctx.backend.is_kernel_driver_active(self._ctx.handle, 
>interface)
>  File "C:\Python26\lib\site-packages\usb\backend\__init__.py", line 355, in 
>is_kernel_driver_active
>    _not_implemented(self.is_kernel_driver_active)
>  File "C:\Python26\lib\site-packages\usb\backend\__init__.py", line 79, in 
>_not_implemented
>    raise NotImplementedError(func.__name__)
>NotImplementedError: is_kernel_driver_active
>
>
>Am I suppose to implement this on my own? Can I just redirect this to another 
>python module that actually implements this?


It looks like the generic device code is being fired, not the 
backend implemention code.

Which backend is being used?
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