我正在运行以下命令：
from pyvisa.vpp43 import visa_library
visa_library.load_library("/Library/Frameworks/Visa.framework/VISA")
import visa
print visa.get_instruments_list()
参考：http ://www.rau-deaver.org/Mac-PyVISA.html
系统日志
com.apple.kextd[38]：无法解析原始路径 /System/Library/Extensions/ni488lock.kext。
ReportCrash[395]：将 Python[383] 版本 2.7.2 (2.7.2) 的崩溃报告保存到 /Users//Library/Logs/DiagnosticReports/Python_2013-02-27-175134_Motions-Mac-mini.crash
崩溃日志
Process: Python [383]
Path: /System/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Identifier: Python
Version: 2.7.2 (2.7.2)
Code Type: X86 (Native)
Parent Process: bash [294]
User ID: 501
PlugIn Path: /Library/Frameworks/nipalu.framework/Versions/1/nipalu
PlugIn Identifier: com.ni.framework.nipalu
PlugIn Version: 2.7.0 (2.7.0f0)
Date/Time: 2013-02-27 17:51:31.185 -0800
OS Version: Mac OS X 10.8.2 (12C60)
Report Version: 10
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Application Specific Information:
/Library/Frameworks/ni488.framework/NI488
abort() called
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x92f3aa6a __pthread_kill + 10
1 libsystem_c.dylib 0x9639facf pthread_kill + 101
2 libsystem_c.dylib 0x963d64f8 abort + 168
3 com.ni.framework.nipalu 0x006664b1 libSetSSPackageClientLoadStatus(long) + 129
4 com.ni.framework.NI488 0x007cafdf __static_initialization_and_destruction_0(int, int) + 45
5 dyld 0x8fe9bcda ImageLoaderMachO::doModInitFunctions(ImageLoader::LinkContext const&) + 230
6 dyld 0x8fe9bfde ImageLoaderMachO::doInitialization(ImageLoader::LinkContext const&) + 64
7 dyld 0x8fe98268 ImageLoader::recursiveInitialization(ImageLoader::LinkContext const&, unsigned int, ImageLoader::InitializerTimingList&) + 356
8 dyld 0x8fe980ba ImageLoader::runInitializers(ImageLoader::LinkContext const&, ImageLoader::InitializerTimingList&) + 62
9 dyld 0x8fe8ce0b dyld::runInitializers(ImageLoader*) + 88
10 dyld 0x8fe92605 dlopen + 718
11 libdyld.dylib 0x987c9dbe dlopen + 68
12 com.apple.CoreFoundation 0x908931f2 _CFBundleDlfcnLoadFramework + 210
13 com.apple.CoreFoundation 0x90858746 _CFBundleLoadExecutableAndReturnError + 822
14 com.apple.CoreFoundation 0x90858396 CFBundleGetFunctionPointerForName + 70
15 com.ni.framework.VISA 0x003a78d6 visaLibSymbol + 68
16 com.ni.framework.GpibPassport 0x00544375 bundleLoad + 811
17 com.ni.framework.GpibPassport 0x00544f5b bundleLoad + 3857
18 com.ni.framework.GpibPassport 0x00543808 0x53a000 + 38920
19 com.ni.framework.VISA 0x003bbb9a viUnlock + 673
20 com.ni.framework.VISA 0x003a23d9 visaRegisterOper + 5942
21 com.ni.framework.VISA 0x003be5e1 viFindRsrc + 1153
22 libffi.dylib 0x0038191d ffi_call_SYSV + 29
23 libffi.dylib 0x00381c0b ffi_call + 125
24 _ctypes.so 0x003722d5 _ctypes_callproc + 807
25 _ctypes.so 0x0036c61d 0x36a000 + 9757
26 org.python.python 0x0009ce1e PyObject_Call + 97
27 org.python.python 0x001470c9 PyEval_EvalFrameEx + 8651
28 org.python.python 0x0014ae37 0x8d000 + 777783
29 org.python.python 0x00146f77 PyEval_EvalFrameEx + 8313
30 org.python.python 0x00144eb2 PyEval_EvalCodeEx + 1777
31 org.python.python 0x0014aea8 0x8d000 + 777896
32 org.python.python 0x00146f77 PyEval_EvalFrameEx + 8313
33 org.python.python 0x00144eb2 PyEval_EvalCodeEx + 1777
34 org.python.python 0x001447bc PyEval_EvalCode + 87
35 org.python.python 0x000b510e 0x8d000 + 164110
36 org.python.python 0x000b4f6d PyRun_InteractiveOneFlags + 492
37 org.python.python 0x000b4a05 PyRun_InteractiveLoopFlags + 205
38 org.python.python 0x000b4890 PyRun_AnyFileExFlags + 70
39 org.python.python 0x000d7c66 Py_Main + 2962
40 libdyld.dylib 0x987ca725 start + 1