In our projects we found a workaround for this problem. It is pretty easy to retain the Python interpreter which the ROS installation uses. There is ROS_PYTHON_VERSION environmental variable defined in 1.ros_python_version.sh file located inside your ROS installation. To change the version it is enough to run something like the following (in ...

Im trying to implement multi threading (parallel processing) with python and using mutex threading. I have first process that check the Pressure Value and the modem update(in the code implemented with odom_callback and callback_modem functions), and second process that calls ROS SERVICES ( in the code implemented with ros_serice_server server …

Aug 28, 2018 · Hi, I have installed opencv 3.4.2 from source with CUDA support in my tX2 and i also i have installed ros which include opencv 3.3.1dev I have managed to use the correct opencv version when i use ros with cpp using the CMakeLists but when i try to use opencv in python, the opencv used is the one from ros which i dont want

Feb 24, 2020 · I am a beginner of ROS and I am trying to run ros-kinetic with python 3. When doing the catkin_make with export ROS_PYTHON_VERSION=3 Get my feedback like:

Dec 29, 2020 · Hello everybody, I would like to implement my own local planner using Python for exercise purposes. Therefore, I make no use of move_base and the ROS navigation stack at all and try to implement those parts (localization, global planner, local planner) in Python.

I've noticed that other ROS python packages have the real python files in dist-packages so my question is how do I do that? I suspect that it has something to do with the catkin build type being Release, but I'm pretty sure my build script is already using RelWithDebInfo.

Execution has not even gotten to the serial-port-related stuff yet. My guess is that this ros node is unable to connect to the ROS master. "ConnectionRefused" indicates possibly a system firewall issue. Also, be aware that people on this site have said that anaconda breaks ROS.

Jun 25, 2020 · Note: mixing Python 2 and Python 3 without special consideration for compatibility and package search paths is going to be brittle at best. If you need to use Python 3, migrate to ROS Noetic, or use something like rospypi/simple.

Aug 2, 2021 · Hello, I've been having the same issue with importing yaml when trying to run any python nodes on ros noetic. I'm using ros noetic on an Oracle VM VirtualBox virtual machine that runs on Ubuntu. I already have yaml downloaded, and I've also modified the permission to be executable by running the chmod command and I also included the line ...

Oct 28, 2018 · 1) I installed ROS by sudo apt-get install ros-kinetic-desktop-full 2) The OS is Ubuntu 16.04 3) I have not install any python interpreter or Anaconda, at least not that I know of. But my python version is 2.7.12