我如何通过python从连接的设备获取USB号码端口

Question

I want know which device connect to which usb port in ubuntu ... for example when I connect bluetooth dongle to usb I want know to which usb port Bluetooth is connected.

When I run:

tail -f /var/log/messages

in can see usb port number like this:

Jul 27 20:51:58 Smart-Installer kernel: [  711.363300] usb 1-1.2: New USB device found, idVendor=0a12, idProduct=0001
Jul 27 20:51:58 Smart-Installer kernel: [  711.363331] usb 1-1.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0

I want get usb 1-1.2 programmatically via python

I know lsusb -t get me port but I want also device number and -t get me a few data

Answer 1

您可以使用PyUSB（Ubuntu和Debian中的python-usb软件包），也可以自己遍历/ sys / bus / usb / devices，所有信息均以纯文本格式存在。