ImportError libSM so 6 cannot open shared object file No such file or directory

Question

When trying to import OpenCV  using import cv2 I get the following error    usr local lib python2 7 dist-packages cv2   init   py in  lt module gt          7        8   make IDE s  PyCharm  autocompletion happy ---- gt  9 from  cv2 import        10       11   wildcard import above does not import  private  variables like   version    ImportError  libSM so 6  cannot open shared object file  No such file or directory   Not sure how to fix this - trying to play around with Google s new Colaboratory tool  Notebook is here  https   drive google com file d 0B7-sJqBiyjCcRmFkMzl6cy1iN0k view usp sharing

User · Answer

For CentOS  run this  sudo yum install libXext libSM libXrender

User · Answer

You need to add sudo   I did the following to get it installed     sudo apt-get install libsm6 libxrender1 libfontconfig1   and then did that  optional  maybe you won t need it   sudo python3 -m pip install opencv-contrib-python   FINALLY got it done

User · Answer

There is now a headless version of opencv-python which removes the graphical dependencies  like libSM   You can see the normal   headless version on the releases page  and the GitHub issue leading to this   just add -headless when installing  e g    pip install opencv-python-headless   also contrib  if needed pip install opencv-contrib-python-headless

User · Answer

I was not able to install cv2 on Anaconda-Jupyter notebook running on Ubuntu on Google Cloud Platform  But I found a way to do it as follows   Run the following command from the ssh terminal and follow the instruction    sudo apt-get install libsm6 libxrender1 libfontconfig1   Once its installed Open the Jupyter notebook and run following command    pip install opencv-contrib-python   Note  I tried to run this command   sudo python3 -m pip install opencv-contrib-python but it was showing an error  But above command worked for me   Now refresh the notebook page and check whether it s installed or not by running import cv2 in the notebook

User · Answer

May be the problem is with your python-opencv version  It s better to downgrade your version to 3 3 0 9 which does not include any GUI dependencies  Same question was found on GitHub here the link to the answer

User · Answer

I had the same problem in docker and these steps worked for me  apt update  then  apt install libsm6 libxext6 libxrender-dev

User · Answer

I was facing similar issue with openCV on the python 3 7-slim docker box  Following did the trick for me    apt-get install build-essential libglib2 0-0 libsm6 libxext6 libxrender-dev   Please see if this helps

User · Answer

This fixed the problem by having it as the first two lines of the script   pip install opencv-python  apt update  amp  amp  apt install -y libsm6 libxext6  apt-get install -y libxrender-dev

[python] ImportError: libSM.so.6: cannot open shared object file: No such file or directory

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