Files
lerobot-clone/src/lerobot/utils/decorators.py
2026-01-16 18:52:06 +01:00

42 lines
1.3 KiB
Python

#!/usr/bin/env python
# Copyright 2026 The HuggingFace Inc. team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from functools import wraps
from lerobot.utils.errors import DeviceAlreadyConnectedError, DeviceNotConnectedError
def check_if_not_connected(func):
@wraps(func)
def wrapper(self, *args, **kwargs):
if not self.is_connected:
raise DeviceNotConnectedError(
f"{self.__class__.__name__} is not connected. Run `.connect()` first."
)
return func(self, *args, **kwargs)
return wrapper
def check_if_already_connected(func):
@wraps(func)
def wrapper(self, *args, **kwargs):
if self.is_connected:
raise DeviceAlreadyConnectedError(f"{self.__class__.__name__} is already connected.")
return func(self, *args, **kwargs)
return wrapper