Please, try again with rev 56, and define the env variable
PYUSB_DEBUG_LEVEL=debug. Let's what it says to us...

Wander

2010/4/6 Xiaofan Chen <xiaof...@gmail.com>:
> I am not so sure why pyusb can not find the backend
> under Cygwin Python (latest svn). Kind of strange.
>
> I have cygusb0.dll and cygusb-1.0.dll under
> c:\cygwin\bin and they are the DLL name for
> libusb-win32 0.1 and libusb 1.0 Windows under
> Cygwin respectively.
>
> I even tried to add 'cygusb0' and 'cygusb-1.0'
> for the load library function, but it does not
> seem to work. Maybe Cygwin is a bit special.
>
> mc...@acerpc ~/mcu/pyusb/pyusb
> $ python setup.py install
> running install
> running build
> running build_py
> creating build
> creating build/lib
> creating build/lib/usb
> copying usb/core.py -> build/lib/usb
> copying usb/legacy.py -> build/lib/usb
> copying usb/util.py -> build/lib/usb
> copying usb/_interop.py -> build/lib/usb
> copying usb/__init__.py -> build/lib/usb
> creating build/lib/usb/backend
> copying usb/backend/libusb01.py -> build/lib/usb/backend
> copying usb/backend/libusb10.py -> build/lib/usb/backend
> copying usb/backend/openusb.py -> build/lib/usb/backend
> copying usb/backend/__init__.py -> build/lib/usb/backend
> running install_lib
> running install_egg_info
> Removing /usr/lib/python2.5/site-packages/PyUSB-1.0.0_a0-py2.5.egg-info
> Writing /usr/lib/python2.5/site-packages/PyUSB-1.0.0_a0-py2.5.egg-info
>
> mc...@acerpc ~/mcu/pyusb/pyusb/tests
> $ python
> Python 2.5.2 (r252:60911, Dec  2 2008, 09:26:14)
> [GCC 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)] on cygwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import usb.core
>>>> import usb.backend.libusb10
>>>> b=usb.backend.libusb10.get_backend()
>>>> assert b is not None
> Traceback (most recent call last):
>  File "<stdin>", line 1, in <module>
> AssertionError
>>>> import usb.backend.libusb01
>>>> a=usb.backend.libusb01.get_backend()
>>>> assert a is not None
> Traceback (most recent call last):
>  File "<stdin>", line 1, in <module>
> AssertionError
>
> --
> Xiaofan http://mcuee.blogspot.com
>
> ------------------------------------------------------------------------------
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> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/pyusb-users
>

------------------------------------------------------------------------------
Download Intel&#174; Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
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