pyUSB is an excellent Python package that can significantly simplify USB programming. For most Linux distributions there are packages only for older versions of pyUSB, but since it is actively developed you probably want to have the latest version on your system.
First of all, make sure one of libusb-0.1, libusb-1.0 or openusb is installed – currently libusb-1.0 is installed as default on most Linux systems.
Download the latest package by visiting the pyUSB website and clicking on the tar.gz folder icon.
If you have an older version of pyUSB already installed, you may want to remove it:
sudo apt-get remove python-usb
Install the Python package manager and then use it to install the freshly downloaded pyUSB package:
sudo apt-get install python-pip sudo pip install --upgrade ~/Downloads/walac-pyusb-1.0.0b1-52-g452880f.tar.gz
To check that the version you have just installed is accessed by default:
laczik@laptop$ python Python 2.7.3 (default, Feb 27 2014, 20:00:17) [GCC 4.6.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import usb >>> print usb.__version__ 1.0.0b2 >>> exit()
To get help/information, use the built-in help function:
laczik@laptop$ python Python 2.7.3 (default, Feb 27 2014, 20:00:17) [GCC 4.6.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import usb.core >>> help(usb.core) [ ... ] >>> help(usb.core.Device) [ ... ] >>> exit()
Finally, an example of how easy USB programming is with pyUSB:
laczik@laptop$ python Python 2.7.3 (default, Feb 27 2014, 20:00:17) [GCC 4.6.3] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import usb.core >>> import usb.util >>> for dev in usb.core.find(find_all=True): ... print dev ... DEVICE ID 04d8:feaa on Bus 007 Address 063 ================= bLength : 0x12 (18 bytes) bDescriptorType : 0x1 Device bcdUSB : 0x200 USB 2.0 bDeviceClass : 0xff Vendor-specific bDeviceSubClass : 0xff bDeviceProtocol : 0xff bMaxPacketSize0 : 0x40 (64 bytes) idVendor : 0x04d8 idProduct : 0xfeaa bcdDevice : 0x414 Device 4.14 iManufacturer : 0x1 RB+AG iProduct : 0x2 P8 iSerialNumber : 0x0 bNumConfigurations : 0x1 CONFIGURATION 1: 250 mA ================================== bLength : 0x9 (9 bytes) bDescriptorType : 0x2 Configuration wTotalLength : 0x20 (32 bytes) bNumInterfaces : 0x1 bConfigurationValue : 0x1 iConfiguration : 0x0 bmAttributes : 0xc0 Self Powered bMaxPower : 0x7d (250 mA) INTERFACE 0: Vendor Specific =========================== bLength : 0x9 (9 bytes) bDescriptorType : 0x4 Interface bInterfaceNumber : 0x0 bAlternateSetting : 0x0 bNumEndpoints : 0x2 bInterfaceClass : 0xff Vendor Specific bInterfaceSubClass : 0xff bInterfaceProtocol : 0xff iInterface : 0x0 ENDPOINT 0x1: Bulk OUT =============================== bLength : 0x7 (7 bytes) bDescriptorType : 0x5 Endpoint bEndpointAddress : 0x1 OUT bmAttributes : 0x2 Bulk wMaxPacketSize : 0x40 (64 bytes) bInterval : 0x0 ENDPOINT 0x81: Bulk IN =============================== bLength : 0x7 (7 bytes) bDescriptorType : 0x5 Endpoint bEndpointAddress : 0x81 IN bmAttributes : 0x2 Bulk wMaxPacketSize : 0x40 (64 bytes) bInterval : 0x0 DEVICE ID 1d6b:0001 on Bus 007 Address 000 ================= bLength : 0x12 (18 bytes) [ ... detailed list of all other USB devices found ... ] >>> exit()
4 thoughts on “Install pyUSB 1.x latest version”
I am very new to the world of systems and softwares and trying to learn my way around the prepherials while using Ubuntu. Anyway, addressing my usb’s was a huge problem and could not work out what was wrong until I came across this page.
After following the instructions here I have resolved my problem and connected my smart phone to prove to myself that I can see it.
On reflection my problem was in not removing the old version of python-usb files. Executing sudo apt-get remove python-usb resolved my issues.
Thank you so much for great help.
I am glad my notes were helpful.
after trying the last (final) example en got the following error
can you help me on what’s wrong and how to solve it?
File “/usr/lib/python2.7/site-packages/usb/core.py”, line 864, in find
raise ValueError(‘No backend available’)
Thanks for this. I was struggling with this. Somehow stumbled upon your page and found exactly what I was looking for.
Thanks for this amazing and easy to follow blog.