41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
|
--- pyusb-1.0.0b1.orig/usb/backend/libusb1.py 2013-10-21 12:56:10.000000000 -0500
|
||
|
|
+++ pyusb-1.0.0b1/usb/backend/libusb1.py 2014-12-08 16:49:07.141514148 -0600
|
||
|
|
@@ -265,13 +265,7 @@
|
||
|
|
|
||
|
|
def _load_library():
|
||
|
|
if sys.platform != 'cygwin':
|
||
|
|
- candidates = ('usb-1.0', 'libusb-1.0', 'usb')
|
||
|
|
- for candidate in candidates:
|
||
|
|
- if sys.platform == 'win32':
|
||
|
|
- candidate = candidate + '.dll'
|
||
|
|
-
|
||
|
|
- libname = ctypes.util.find_library(candidate)
|
||
|
|
- if libname is not None: break
|
||
|
|
+ libname = '/system/lib/libusb1.0.so'
|
||
|
|
else:
|
||
|
|
# corner cases
|
||
|
|
# cygwin predefines library names with 'cyg' instead of 'lib'
|
||
|
|
@@ -672,16 +666,21 @@
|
||
|
|
|
||
|
|
# implementation of libusb 1.0 backend
|
||
|
|
class _LibUSB(usb.backend.IBackend):
|
||
|
|
+
|
||
|
|
+ ran_init = False
|
||
|
|
+
|
||
|
|
@methodtrace(_logger)
|
||
|
|
def __init__(self, lib):
|
||
|
|
usb.backend.IBackend.__init__(self)
|
||
|
|
self.lib = lib
|
||
|
|
self.ctx = c_void_p()
|
||
|
|
_check(self.lib.libusb_init(byref(self.ctx)))
|
||
|
|
+ self.ran_init = True
|
||
|
|
|
||
|
|
@methodtrace(_logger)
|
||
|
|
def __del__(self):
|
||
|
|
- self.lib.libusb_exit(self.ctx)
|
||
|
|
+ if self.ran_init is True:
|
||
|
|
+ self.lib.libusb_exit(self.ctx)
|
||
|
|
|
||
|
|
|
||
|
|
@methodtrace(_logger)
|