Now that NetBSD and OpenBSD also have libusb-1.0/libusbx
support along with the legacy libusb-0.1 support. So I would like
to try out pyusb under NetBSD/OpenBSD as well.
Under NetBSD 5.1.2 release, it seems to me that pyusb can not
find the backends. I think this is because the libusb-0.1 and
libusb-1.0 libraries are under /usr/pkg (pkgsrc system).
bash-4.2$ python2.7
Python 2.7.2 (default, Nov 13 2011, 10:50:29)
[GCC 4.1.3 20080704 prerelease (NetBSD nb2 20081120)] on netbsd5
Type "help", "copyright", "credits" or "license" for more information.
>>> import usb.core
>>> import usb.util
>>> dev=usb.core.find(idVendor=0x04d8,idProduct=0xfa2e)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/pkg/lib/python2.7/site-packages/usb/core.py", line 856, in find
raise ValueError('No backend available')
ValueError: No backend available
>>> exit()
bash-4.2$ pkg-config --libs libusb
-Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lusb
bash-4.2$ pkg-config --libs libusb-1.0
-L/usr/pkg/lib -lusb-1.0
--
Xiaofan
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