Introducing PySide2 (Qt for Python) Snap Runtime

Lately at Crossbar.io, we have been PySide2 for an internal project. Last week it reached a milestone and I am now in the process of code cleanup and refactoring as we had to rush quite a few things for that deadline. We also create a snap package for the project, our previous approach was to ship the whole PySide2 runtime (170mb+) with the Snap, it worked but was a slow process, because each new snap build involved downloading PySide2 from PyPI and installing some deb dependencies.

So I decided to play with the content interface and cooked up a new snap that is now published to snap store. This definitely resulted in overall size reduction of the snap but at the same time opens a lot of different opportunities for app development on the Linux desktop.

I created a ‘Hello World’ snap that is just 8Kb in size since it doesn’t include any dependencies with it as they are provided by the pyside2 snap. I am currently working on a very simple “sound recorder” app using PySide and will publish to the Snap store.

With pyside2 snap installed, we can probably export a few environment variables to make the runtime available outside of snap environment, for someone who is developing an app on their computer.

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