try:

_generate_time_safe=getattr(_uuid,"generate_time_safe",None)

_has_stable_extractable_node=_uuid.has_stable_extractable_node

_UuidCreate=getattr(_uuid,"UuidCreate",None)

exceptImportError:

def_unix_getnode():

if_generate_time_safe:

if_generate_time_safeand_has_stable_extractable_node:

uuid_time,_=_generate_time_safe()

returnUUID(bytes=uuid_time).node

returnNULL;

}

py_windows_has_stable_node(void)

{

UUIDuuid;

RPC_STATUSres;

res=UuidCreateSequential(&uuid);

returnres==RPC_S_OK;

}

uuid_exec(PyObject*module) {

uuid_exec(PyObject*module)

{

#defineADD_INT(NAME,VALUE) \

do { \

if (PyModule_AddIntConstant(module, (NAME), (VALUE)) < 0) { \

return -1; \

} \

} while (0)

assert(sizeof(uuid_t)==16);

#if defined(MS_WINDOWS)

inthas_uuid_generate_time_safe=0;

ADD_INT("has_uuid_generate_time_safe",0);

#elif defined(HAVE_UUID_GENERATE_TIME_SAFE)

inthas_uuid_generate_time_safe=1;

ADD_INT("has_uuid_generate_time_safe",1);

inthas_uuid_generate_time_safe=0;

ADD_INT("has_uuid_generate_time_safe",0);

if (PyModule_AddIntConstant(module,"has_uuid_generate_time_safe",

has_uuid_generate_time_safe)<0) {

return-1;

}

#if defined(MS_WINDOWS)

ADD_INT("has_stable_extractable_node",py_windows_has_stable_node());

#elif defined(HAVE_UUID_GENERATE_TIME_SAFE_STABLE_MAC)

ADD_INT("has_stable_extractable_node",1);

ADD_INT("has_stable_extractable_node",0);

#undef ADD_INT

return0;

}