From: Jeffrey N. <jsn...@su...> - 2016-05-13 13:29:46
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On 5/13/2016 9:03 AM, Nicolas Pinault wrote: > Le 12/05/2016 à 17:15, Wander Lairson Costa a écrit : >> 2016-05-12 11:40 GMT-03:00 Nicolas Pinault<nic...@aa...>: >>> Hi, >>> >>> Is it possible to retrieve USB bus topology with PyUSB ? >>> >> Yes, you will need to use the Device object "port_number" and "bus" properties. > While it is enough for my application, I don't see how to reconstruct > the USB tree with just "port_number". There's also "port_numbers", assuming you're using a somewhat recent libusb-1.0 version as your backend. Combine that with the bus attribute, and you can get a representation of the physical attachment point of the device. Jeff |