>
> What's libusb .so file named?
>
It's named "libusbpp-0.1.4.dylib", with some symlinks, as follows:
$ cd /usr/local/lib
$ ls -l libusb*
lrwxr-xr-x 1 root wheel 18 Feb 11 2008 libusb-0.1.4.4.5.dylib ->
libusb-0.1.4.dylib
-rwxrwxr-x 1 root wheel 93992 Feb 3 2008 libusb-0.1.4.dylib
-rw-rw-r-- 1 root wheel 115504 Feb 3 2008 libusb.a
lrwxr-xr-x 1 root wheel 18 Feb 11 2008 libusb.dylib ->
libusb-0.1.4.dylib
-rwxrwxr-x 1 root wheel 809 Feb 3 2008 libusb.la
lrwxr-xr-x 1 root wheel 20 Feb 11 2008 libusbpp-0.1.4.4.5.dylib ->
libusbpp-0.1.4.dylib
-rwxrwxr-x 1 root wheel 192988 Feb 3 2008 libusbpp-0.1.4.dylib
-rw-rw-r-- 1 root wheel 303808 Feb 3 2008 libusbpp.a
lrwxr-xr-x 1 root wheel 20 Feb 11 2008 libusbpp.dylib ->
libusbpp-0.1.4.dylib
-rwxrwxr-x 1 root wheel 848 Feb 3 2008 libusbpp.la
I took a look at backend.libusb01.py and noted this code:
def _load_library():
candidates = ('usb', 'libusb0')
for candidate in candidates:
libname = ctypes.util.find_library(candidate)
if libname is not None: break
So for testing, I tried:
>>> import ctypes.util
>>> print ctypes.util.find_library("usb")
/usr/local/lib/libusb.dylib
>>> print ctypes.util.find_library("libusb0")
None
>>> print ctypes.util.find_library("libusb")
/usr/local/lib/libusb.dylib
>>> ctypes.CDLL('/usr/local/lib/libusb.dylib')
<CDLL '/usr/local/lib/libusb.dylib', handle 721680 at 69eb0>
Thanks again,
-Chris
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