Install OpenCV with python less than 1 minute read Published: December 01, 2017 An example of installing openCV with python3. #!/bin/bash # cmake command for openCV Installation PY3V="3.6" PYTHON3DIR="/usr/local/Cellar/python3/${PY3V}.3/Frameworks/Python.framework/Versions" cmake -DCMAKE_BUILD_TYPE=Release -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules -DPYTHON3_PACKAGES_PATH=${PYTHON3DIR}/${PY3V}/lib/python${PY3V}/site-packages -DPYTHON3_LIBRARY=${PYTHON3DIR}/${PY3V}/lib/libpython${PY3V}m.dylib -DPYTHON3_INCLUDE_DIR=${PYTHON3DIR}/${PY3V}/include/python${PY3V}m ..