Try installing libusb , I think dev version just by itself not usefull. > On Dec 19, 2017, at 6:36 AM, Sylvain Martel <kinw...@gmail.com> wrote: > > Hi, > > I'm trying to use pyusb in a container but it has problem connecting to > libusb. > > In the container, libusb is installed using "RUN apt-get install -y > libusb-1.0-0-dev" > > and I'm trying this simple code: > > import usb.core > import usb.util > > def main(args=None): > #open() > usb.core.find() > > I then get this error message: > > python_1 | 2017-12-19 13:58:20,475 > DEBUG:usb.backend.libusb1:_LibUSB.__init__(<CDLL 'libusb-1.0.so.0', handle > 19ea450 at 0x7fdce0585c50>) > python_1 | 2017-12-19 13:58:20,475 ERROR:usb.backend.libusb1:Error loading > libusb 1.0 backend > python_1 | Traceback (most recent call last): > python_1 | File > "/usr/local/lib/python3.6/site-packages/usb/backend/libusb1.py", line 945, in > get_backend > python_1 | return _LibUSB(_lib) > python_1 | File "/usr/local/lib/python3.6/site-packages/usb/_debug.py", > line 60, in do_trace > python_1 | return f(*args, **named_args) > python_1 | File > "/usr/local/lib/python3.6/site-packages/usb/backend/libusb1.py", line 708, in > __init__ > python_1 | _check(self.lib.libusb_init(byref(self.ctx))) > python_1 | File > "/usr/local/lib/python3.6/site-packages/usb/backend/libusb1.py", line 595, in > _check > python_1 | raise USBError(_strerror(ret), ret, _libusb_errno[ret]) > python_1 | usb.core.USBError: [Errno None] Other error > python_1 | 2017-12-19 13:58:20,477 > DEBUG:usb.backend.libusb1:_LibUSB._finalize_object() > > > Any idea what might cause the problem? > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! > http://sdm.link/slashdot_______________________________________________ > pyusb-users mailing list > pyusb-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/pyusb-users
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