On Mon, Apr 19, 2010 at 6:46 PM, Wander Lairson
<wander.lair...@gmail.com> wrote:
> It is really strange it is working with official 0.4.2 version but not
> with 0.1 backend. Specially because it can load the shared library,
> but cannot find any test device... If you want to force usb.legacy to
> use libusb01 backend, we must change legacy.py module, change line 322
> to
>
> import usb.backend.libusb01 as libusb01
> self.devices = [Device(d) for d in core.find(find_all=True,
> backend=libusb01.get_backend())]
After I made the change, pyusb can not find any device. So indeed it is very
strange.
[mc...@myfreebsd ~/Desktop/build/pyusb/tests]$ sudo python testpk2_1.py
Traceback (most recent call last):
File "testpk2_1.py", line 28, in <module>
device=opendevice(0x04d8, 0x0033)
File "testpk2_1.py", line 22, in opendevice
raise "Device not found"
TypeError: exceptions must be classes or instances, not str
[mc...@myfreebsd ~/Desktop/build/pyusb/tests]$ export PYUSB_DEBUG_LEVEL=debug
[mc...@myfreebsd ~/Desktop/build/pyusb/tests]$ python testpk2_1.py
2010-04-19 20:38:14,825 DEBUG:usb.backend.libusb01:_LibUSB.enumerate_devices()
Traceback (most recent call last):
File "testpk2_1.py", line 28, in <module>
device=opendevice(0x04d8, 0x0033)
File "testpk2_1.py", line 22, in opendevice
raise "Device not found"
TypeError: exceptions must be classes or instances, not str
[mc...@myfreebsd ~/Desktop/build/pyusb/tests]$ python usbenum.py
2010-04-19 20:42:13,903 DEBUG:usb.backend.libusb01:_LibUSB.enumerate_devices()
[mc...@myfreebsd ~/Desktop/build/pyusb/tests]$
--
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