Before you start the PySide2 tutorial you will need to have a working installation of PySide2 on your system. If you don't have either set up yet, the following steps will guide you through how to do this on macOS.
This guide is also available for Linux and Windows.
Install PySide2 on macOS
If you already have a working installation of Python 3 on macOS, you can go ahead and install PySide2 as for any other Python package, using the following --
pip3 install pyside2
If you don't have an installation of Python 3, you will need to install one first. You can download macOS installers for Python 3 from the Python homepage. Once installed, you should be able to use the pip3 install command above to install PySide2.
Another alternative is to use Homebrew. Homebrew is a package manager for command-line software on macOS. Homebrew has both Python 3 and PySide2 available in their repositories.
Homebrew -- the missing package manager for macOS
To install homebrew run the following from the command line --
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ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
This is also available to copy and paste from the Homebrew homepage.
Once Homebrew is installed you can then install Python with --
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brew install python3
With Python installed, you can then install PySide2 as normal, using pip3 install pyside2, or alternatively choose to install it using Homebrew with --
brew install pyside2
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