You can skip optional dependencies if you don't want. Building OpenCV from sourceĬompiling from source may seem a little complicated at first, but once you succeeded in it, there is nothing complicated.įirst we will install some dependencies.

Also at some point in time, if you want to contribute to OpenCV, you will need this.

So for getting latest source codes preference is next method, i.e. With respect to Python API, latest version will always contain much better support and latest bug fixes. For example, at the time of writing this tutorial, apt repository contains 2.4.8 while latest OpenCV version is 3.x. Apt repositories may not contain the latest version of OpenCV always. If you have questions, use the comment form below to reach us.If the results are printed out without any errors, congratulations !!! You have installed OpenCV-Python successfully. That’s all! In this short article, we have explained how to install Python 3.11 in Ubuntu via the apt package manager. $ sudo update-alternatives -config python3 $ sudo update-alternatives -install /usr/bin/python3 python3 /usr/bin/python3.11 2 $ sudo update-alternatives -install /usr/bin/python3 python3 /usr/bin/python3.10 1 If you’ve installed multiple versions of Python in your Ubuntu system, and you want to set only one version as default, then you need to perform some additional steps as shown. To exit the Python interpreter, type the following command and press Enter. Type 'help', 'copyright', 'credits' or 'license' for more information.

Ubuntu python