Python 3 and Qt 5 with QML Thomas Perl, Jolla Ltd. Qt Developer Days 2013, Berlin, 2013-10-09 Company Confidential Overview ● Back"round ● $omparison ● AP& Overvie( ● )tatus and Roadmap ● )nakes on a Boat Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Background ● 200+, Py-t! / Hildon on N800/N810 ● 2009, PyMaemo / Hildon on N900 ● 2011, Py)ide / Qt 4 on N9 ● 2013, Py'therSide on Sail4ish O) ● 'n other plat4orms: – )L3%, Py)50, BB-Tart, ... Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Comparison: License/Versions ● PyQt, -PL6d and ommer ial bindings – Qt 4 and Qt 5 – Python 2 and Python 3 ● PySide, L-PL6d 7indings 9 "enerator – Qt 4 only at the moment – Python 2 and Python 3 ● PyOther)ide, &)$.BSD QML Plugin – Qt 5 (Qt 4 s#pport available in Git history; – Python 3 (Python 2 still works, b#t uns#pported) Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Comparison: Performance ● Start#p time :to 4irst visi7le s reen; – Py)ide/PyQt, $Python 9 Python ode 9 Bindin"s 9 Qt – Py'ther)ide, Qt only (Python loadin" delayed until use; ● *esponsiveness – Py)ide/PyQt, )yn hronous by de4a#lt – Py'ther)ide, %syn hronous 7y de4ault ● Li7rary si<e :spa e #sa"e, memory footprint; – Py)ide, Qt$ore = 2.8 2iB, Qt-ui, = 12.5 2iB, ... – Py'ther)ide, = 138 >iB Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Comparison: Usage ● PySide/PyQt – Python interpreter #ses Qt/Q2L to display ?& ● Py'therSide – Q2L #ses Python as a data provider . 7a !end Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl API Overview: QML Methods void addImportPath(path) void setHandler(event, callback) QVariant evaluate(expr) void importModule(name, callback) void call(func, args, callback) Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl API Overview: QML Signals received(data) error(traceback) Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl API Overview: Python Module import pyotherside pyotherside.send(*args) pyotherside.atexit(f) Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl API Overview: Image Provider def func(image_id, size): return (pixels, (width, height), format) pyotherside.set_image_provider(func) Image { src: 'image://python/<image_id>' } Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Current Status ● Des!top Plat4orms fully supported ● )ailfish O) – Best s#pport: %lready in 2er and )ail4ish ') repositories ● Blac!berry 10 – Python 3 from system, ship Qt 8 and Py'ther)ide in app ● Android – )hip Python 3 9 Qt 8 9 PyOther)ide in app Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Roadmap ● Embed Python scripts in Qt *esour es ● )tatic lin!ing o4 libpython + modules ● )upport 4or PyPy (JIT; ● Arapping Python o7Be ts as QML.J) values Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Snakes on a Boat Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl Q&A Project: http://thp.io/2011/pyotherside/ Source: http://github.com/thp/pyotherside/ @thp4 / [email protected] Qt Developer Days 2013, Berlin, 2013-10-09 Python 3 and Qt 5 with Q !, "homas Perl.