What is “pygtksourceview” Package?

Python wrapper for the GtkSourceView widget library
For more details: https://projects.gnome.org/gtksourceview/pygtksourceview.html

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install pygtksourceview.

  brew install pygtksourceview

Now, use pygtksourceview!