Learn different Qt binding in Python and See how you can use pyotherside to make a simple Ubuntu app with Ubuntu components in Ubuntu SDK. These slides were presented in 2016 python conference in Iran (#irpycon)

1. Create ubuntu apps with python
Danial Behzadi
dani.behzi@ubuntu.com

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ubuntu SDK

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Python bindings for Qt
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PyQt
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PySide
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PyOtherSide

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PyQt
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Pros
– GPL license
– Qt 4 & 5
– Python 2 & 3
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Cons
– Synchronous by default
– Slow startup
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Riverbank Computing in 1998
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Cpython + Python code + Bindings + Qt
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Python Interpreter uses Qt to display UI

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PySide
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Pros
– Python 2 & 3
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Cons
– Synchronous by default
– Big size (> 15 MiB)
– Slow startup
– Qt 4 only
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Nokia in 2009
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Cpython + Python code + Bindings + Qt
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Python Interpreter uses QML to display UI
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LGPL license

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PyOtherSide
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Pros
– Asynchronous calls
– Small size (< 150 KiB)
– Fast startup
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Cons
– BSD license
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Thp (from Mer) in 2011
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Qt Plugin + Python library
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QML as frontend, uses Python as backend
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Qt 5 and Python 3

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PyOtherSide Platforms
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Desktop (GNU/Linux, Windows, Mac, etc.)
– Fully Supported
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GNU/Linux phones (Ubuntu, Sailfish)
– Fully Supported
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Other phones
– Android: Ship Python 3, Qt 5 and PyOtherSide in app
– Blackberry: Ship Qt 5 and PyOtherSide in app

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PyOtherSide API
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QML Methods
addImportPath(p)
setHandler(e, c)
importModule(n, c)
call(f, a, c)
evaluate(expr)
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QML Signals
recieved(data)
error(traceback)
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Python Module
import pyotherside
pyotherside.send(*args)
pyotherside.atexit(f)

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Sample code and explanation
Watch it live!

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Thanks!