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I am currently trying to make a facial recognition workflow with Orange but since the widgets are still prototypes they are not all available in Orange through the add-on menu. I found the Github files for the widgets but don't know how to install this so that I can see and use the widgets in Orange.


2 Answers 2


There are three ways to install Orange add-ons:

  1. The Options -> Add-ons menu of Orange.

  2. Use pip: pip3 install orange3-prototypes

  3. Install from the source:

    Terminal commands:

    git clone https://github.com/biolab/orange3-prototypes.git
    cd orange3-prototypes
    python3 setup.py install
  • $\begingroup$ You see, the github repo in your question has a setup.py file right? You can just download this whole repo, decompress, cd to the directory you decompressed, and run python setup.py install. $\endgroup$
    – Icyblade
    Feb 24, 2017 at 6:26
  • $\begingroup$ You need to open a Terminal, checkout this and this $\endgroup$
    – Icyblade
    Feb 24, 2017 at 13:24
  • $\begingroup$ Terminal of your mac system, rather than IDLE. $\endgroup$
    – Icyblade
    Feb 25, 2017 at 1:04
  • $\begingroup$ In my environment, there's no such error during the installation. $\endgroup$
    – Icyblade
    Feb 27, 2017 at 3:04

You may be able to install it through the Options > Add-ons menu in the program.


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