def _check(ret):
if hasattr(ret, 'value'):
ret = ret.value
if ret != 0:
raise USBError(_lib.openusb_strerror(ret), ret, _openusb_errno[ret])
return ret
def _check(ret):
if hasattr(ret, 'value'):
ret = ret.value
if ret < 0:
if ret == LIBUSB_ERROR_NOT_SUPPORTED:
raise NotImplementedError(_strerror(ret))
else:
raise USBError(_strerror(ret), ret, _libusb_errno[ret])
return ret
def _check(ret):
if ret is None:
errmsg = _lib.usb_strerror()
else:
if hasattr(ret, 'value'):
ret = ret.value
if ret < 0:
errmsg = _lib.usb_strerror()
# No error means that we need to get the error
# message from the return code
# Thanks to Nicholas Wheeler to point out the problem...
# Also see issue #2860940
if errmsg.lower() == 'no error':
errmsg = os.strerror(-ret)
else:
return ret
raise USBError(errmsg, ret)