def get_library():
try:
library = ctypes_library.NidmmCtypesLibrary(get_library_name(),
get_library_type())
except OSError:
raise errors.DriverNotInstalledError()
return library
def __init__(self):
if LibrarySingleton.instance is None:
try:
LibrarySingleton.instance = ctypes_library.NidmmCtypesLibrary(
get_library_name(), get_library_type())
except OSError:
raise errors.DriverNotInstalledError()
self._library = LibrarySingleton.instance
def get():
'''get
Returns the library.Library singleton for nidmm.
'''
global _instance
global _instance_lock
with _instance_lock:
if _instance is None:
try:
library_type = _get_library_type()
if library_type == 'windll':
ctypes_library = ctypes.WinDLL(_get_library_name())
else:
assert library_type == 'cdll'
ctypes_library = ctypes.CDLL(_get_library_name())
except OSError:
raise errors.DriverNotInstalledError()
_instance = _library.Library(ctypes_library)
return _instance