cv_bridge_installation.txt

# Based on https://stackoverflow.com/questions/49221565/unable-to-use-cv-bridge-with-ros-kinetic-and-python3
sudo apt-get install python-catkin-tools python3-dev python3-catkin-pkg-modules python3-numpy python3-yaml ros-melodic-cv-bridge

# Create catkin workspace
mkdir catkin_ws
cd catkin_ws
catkin init

# Instruct catkin to set cmake variables
catkin config -DPYTHON_EXECUTABLE=/usr/bin/python3 -DPYTHON_INCLUDE_DIR=/usr/include/python3.6m -DPYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/libpython3.6m.so

# Instruct catkin to install built packages into install place. It is $CATKIN_WORKSPACE/install folder
catkin config --install

# Clone cv_bridge src
git clone https://github.com/ros-perception/vision_opencv.git src/vision_opencv

# Find version of cv_bridge in your repository
apt-cache show ros-melodic-cv-bridge | grep Version

# Checkout right version in git repo. In our case it is 1.13.0
cd src/vision_opencv/
git checkout 1.13.0
cd ../../

# Build
catkin build cv_bridge

# Extend environment with new package
source install/setup.bash --extend