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ros_with_virtual_environment_example

An example to use python virtualenv (which is recommended to use in many libraries/frameworks installation , i.e. TensorFlow, Flask, etc.. ) with rospy-nodes, which required to use default python interpreter -- specifically for roslaunch.

Prerequisites

  • ROS in your python environment
  • Your virtual environment with the same python version with ROS

Activate your virtual environment (your-venv) and install additional ROS-dependency

$ source your-venv/bin/activate
(your-venv)$ pip install pip --upgrade
(your-venv)$ pip install -U rosdep rosinstall_generator wstool rosinstall
(your-venv)$ pip install --upgrade setuptools

Example

rosrun Example

$ rosrun simple_publisher talker.py --venv /path/to/your-venv

roslaunch Example

$ cp -r your-venv ~/path/to/ros_virtual_env/your-venv/
$ roslaunch simple_publisher example_venv.launch