Pycharm Python OpenCV and CV2 install error

Question

I ve been trying to install both OpenCV and cv2 from both Pycharm and from the terminal as suggested using   pip install --user opencv pip install --user cv2   but I m getting the following error for them   Collecting opencv   Could not find a version that satisfies the requirement opencv  from versions    No matching distribution found for opencv   and  Collecting cv2   Could not find a version that satisfies the requirement cv2  from versions    No matching distribution found for cv2   How can I fix these and install the packages properly  I m using python 3 4

User · Answer

I ran into the same problem  One issue might be OpenCV is created for Python 2 7  not 3  not all python 2 7 libraries will work in python 3 or greater   I also don t believe you can download OpenCV directly through PyCharm s package installer  I have found luck following the instructions  OpenCV Python  Specifically    Downloading and installing OpenCV from SourceForge Copying the cv2 pyd file from the download  opencv build python 2 7 x64  into Python s site-packages folder  something like  C  Python27 Lib site-packages  In PyCharm  open the python Console  Tools Python Console  and type import cv2  and assuming no errors print cv2   version     Alternatively  I have had luck using this package opencv-python  which you can straightforwardly install using pip with pip install opencv-python  Good luck

User · Answer

First step  pip uninstall numpy pip uninstall opencv-python  Second step  pip install numpy pip install opencv-python

User · Answer

In win  download the py based latest numpy and Opencv from Unofficial Windows Binaries for Python Extension Packages and pip install its source in cmd  Later copy site-package folder from main py lib to venv lib

User · Answer

When I was facing this issue I used to install OpenCV in pycharm installed package panel where we can find under the settings tab  Search  OpenCV-python  and install it in the installed package panel of right interpreter

User · Answer

Installing opencv is not that direct   You need to pre-install some packages first    I would not recommend the unofficial package opencv-python  Does not work properly in macos and ubuntu  see this post   No idea about windows    There are many webs explaining how to install opencv and all required packages   For example this one    The problem of trying to install opencv several times is that you need to uninstall completely before attempting again  or you might end having many errors

User · Answer

I rather use Virtualenv to install such packages rather than the entire system  saves time and effort rather than building from source   I use virtualenvwrapper  Windows user can download  pip install virtualenvwrapper-win   https   pypi org project virtualenvwrapper-win   Linux follow  pip install opencv-python   opencv-python  If processing a video is required  pip install opencv-contrib-python   opencv-contrib-python  If you do not need GUI in Opencv  pip install opencv-contrib-python-headless   opencv-contrib-python-headless

User · Answer

This the correct command that you need to install opencv  pip install opencv-python   if you get any error when you are trying to install the  opencv-python  package in pycharm  make sure that you have added your python path to  System Variables  section of Environment variables in Windows  And also check whether you have configured a valid interpreter for your project

User · Answer

python3 6 -m pip install opencv-python   will install cv2 in python3 6 branch

User · Answer

I had the same problem  Here are the steps for Windows 10 users    Open CMD  win r then type cmd  Now     Type pip install virtualenv Create a Virtual Environment  Type virtualenv testopencv Get Inside testopencv  Type  cd testopencv Activate the Virtual Environment  Type    Scripts activate Now Install Opencv  Type  pip install opencv-contrib-python --upgrade Let s test Opencv  Type Python then import cv2 hit enter then type print cv2   version    to check if its installed   Now  open a new cmd  win   r then type cmd  repeat step 6  If it gives you an error   Go inside the testopencv folder  inside lib  Copy everything  go to your python directory  inside lib folder paste it and skip that are already present   Again open a new cmd  repeat Step 6    Hope it helps

User · Answer

In jetso nano this work for me     git clone https   github com JetsonHacksNano buildOpenCV   cd buildOpenCV

User · Answer

You are getting those errors because opencv and cv2 are not the python package names   These are both included as part of the opencv-python package available to install from pip    If you are using python 2 you can install with pip    pip install opencv-python   Or use the equivilent for python 3   pip3 install opencv-python   After running the appropriate pip command your package should be available to use from python

User · Answer

you must install opencv-python pip pip3 install opencv-python if you try import opencv-python  receive error  Fix this error  use the import cv2

User · Answer

here is a tutorial that worked for me without any problem   Copied from the site above the important part      Download the OpenCV version corresponding to your Python installation   from here  In my case  I   ve used   opencv python-3 1 0-cp35-cp35m-win32 whl       Now  open a cmd window like before  You can open this directly in your   Downloads folder if you SHIFT and right click inside it  The idea is   to open a cmd window where you   ve downloaded the above       file  Use   the       command to install       OpenCV   1     pip install  opencv python-3 1 0-cp35-cp35m-win32 whl     Additional note  don t forget to change the name of the downloaded file in the command you use  Apparently by installing opencv  you ll have access to cv2 too

User · Answer

Try this  I am using Jupyter notebook  OS  Ubuntu 16 04 LTS on Google Cloud Platform   on Windows   Executed following command in the Jupyter notebook to install opencv    pip install opencv-contrib-python     working on both Windows and Ubuntu   After successful installation you will get following message   Successfully installed opencv-contrib-python-4 1 0 25   Now restart the kernel and try to import opencv as   import cv2   The same command can be used to installed opencv on Windows as well   SOLUTION 2  try following commands to install opencv  For Ubuntu  Run following command from terminal   sudo apt-get install libsm6 libxrender1 libfontconfig1   Restart Jupyter notebook kernel and execute following command     pip install opencv-contrib-python   NOTE  You can run all the above commands from the terminal as well without using

User · Answer

How about try some different mirrors  If you are in China  I highly recommend you try   sudo pip install --index https   pypi mirrors ustc edu cn simple  opencv-contrib-python   If not  just replace the url address to some other mirrors you like  Good luck

User · Answer

this will help you  pip3 install opencv-python   this is the snippet of successful installation

User · Answer

On Windows     pip install opencv-python

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