from rosgraph_msgs.msg import Log ImportError: cannot import name 'Log' from 'rosgraph_msgs.msg' (/opt/ros/humble/local/lib/python3.10/dist-packages/rosgraph_msgs/msg/__init__.py)
时间: 2023-06-09 14:03:46 浏览: 277
这看起来像一个 Python 中的 ImportError,它表示无法从 rosgraph_msgs.msg 中导入名为 'Log' 的内容。此问题可能由于几个因素引起,如 ROS 包未正确安装、消息定义在运行时加载时未找到等。可能需要详细检查 ROS 与 Python 元素之间的交互,并确保所有依赖项都已正确安装。
相关问题
ImportError: cannot import name 'Log' from 'rosgraph_msgs.msg' (/opt/ros/humble/local/lib/python3.10/dist-packages/rosgraph_msgs/msg/__init__.py)
这个错误是因为在 '/opt/ros/humble/local/lib/python3.10/dist-packages/rosgraph_msgs/msg/__init__.py' 中,无法从 'rosgraph_msgs.msg' 中导入 'Log'。可能是由于缺少依赖项或未正确安装消息包导致的。你可以尝试安装 rosgraph_msgs 消息包,或者检查您的依赖项是否正确。
ros2foxy cannot import name 'Log' from 'rosgraph_msgs.msg'
This error occurs when the 'Log' message is not available in the 'graph_msgs' package. In ROS 2 Foxy the 'Log' message has been moved to the 'cl_interfaces' package.
To resolve this issue, you need to update your code to import the 'Log' message from the package. Here's an of the updated import statement:
python
from rcl_interfaces.msg import Log
`
Make sure you have 'rcl_interfaces' package in your workspace. You can it using the following command:
```
sudo apt-get install ros-foxy-rcl-interfaces-msgs
```
After updating the import statement and ensuring the package is installed, the error should be resolved.
相关推荐
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)