Hi, No change by installing libusb-1.0-0. I also tried pointing to it directly using this line
usb.backend.libusb1.get_backend(find_library=lambda x: "/usr/lib/x86_64-linux-gnu/libusb-1.0.so") Still the same error :-/ python_1 | 2017-12-19 19:40:25,197 DEBUG:usb.backend.libusb1:_LibUSB.__init__(<CDLL '/usr/lib/x86_64-linux-gnu/libusb-1.0.so', handle 7cbd00 at 0x7fe8641b30f0>) python_1 | 2017-12-19 19:40:25,197 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 19:40:25,198 DEBUG:usb.backend.libusb1:_LibUSB._finalize_object() west_python_1 exited with code 139 On 2017-12-19 02:08 PM, Srujan Chaitanya wrote: > 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 > > ------------------------------------------------------------------------------ > 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 -- --------------------------------- SVP encrypter les courriels si possible/Please encrypt e-mails if you can. Certificat s/mime inclus dans le message pgpKey Id:03044B68 ------------------------------------------------------------------------------ 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
