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I am trying to install opencv for my JetsonTX1. I have to build OpenCV from source CMake follow the link https://www.jetsonhacks.com/2018/06/04/build-opencv-3-4-with-cuda-on-nvidia-jetson-tx1/ The issue is Jetson has python 3.5 as default Python. I would like to update to python3.7. I used update-alternatives to switch python3 point to python3.7. But when I build the opencv with CMake, it still choose python3 interpreter as Python 3.5. Is there a way to force install opencv for python3.7?

  • Have you considered virtual environments, isn't that the pythonic way to manage versions? You could also try pip3.7 instead. – DaveStSomeWhere Apr 4 '19 at 23:30
  • @DaveStSomeWhere: I really don't know how to build OpenCV for Python 3.7 using virtual environments. I thought it's for install only. – ThangNguyen Apr 5 '19 at 4:02
  • @ThangNguyen, how did you install Python3.7? Did you build from source using make install? What is the output of command python3.7 -V? – Marmayogi Apr 6 '19 at 17:08
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for python3.x ,try pip3 command

sudo pip3 install --ignore-installed --upgrade opencv-python

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