Re: [Pyusb-users] PyUSB 2.6

[Wander L. <wan...@gm...>]

detachKernelDriver will fail if you have no enough permissions, won't it?

2009/1/2 Jim Easterbrook <ji...@ji...>:
> Karl Ostmo wrote:
>> I use this approach in my code:
>>
>>         try:
>>             self.handle.claimInterface( 0 )
>>         except usb.USBError, e:
>>             if e.message.find("could not claim interface") >= 0:
>>                 self.handle.detachKernelDriver( 0 )
>>                 self.handle.claimInterface( 0 )
>
> I'm the author of the weather station software David is trying to use. I
> call detachKernelDriver before calling claimInterface anyway, so I don't
> think this is David's problem.
>
> Is there an advantage in not calling detachKernelDriver unless
> claimInterface has failed?
>
> --
> Jim Easterbrook                 <http://www.jim-easterbrook.me.uk/>
>
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