Qt for Python Development Notes
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2023
14. December 2023
- General
- Python 3.12.1 and 3.11.7 are out
- Infra & Releases
- Preparing 6.5.4, 6.2.11 LTS releases
- Bugs & Features
- Fixed PYSIDE-2544 , DBus issue
- Fixed PYSIDE-2547 , DBus signal issue
- PYSIDE-2543, Added QtQuickTest
- Worked on documentation generation
- PYSIDE-2551 - gradle properties update in Android - https://github.com/kivy/python-for-android/pull/2918/commits/303e8fb29859075ef142136047efb21c1883acbc
- PYSIDE-2439 - instance of FindPythonIntrep and FindPythonLibs cmake module removed
- Added documentation about Qt bootstrap in python-for-android - https://github.com/kivy/python-for-android/pull/2918/commits/92bba625a80753c4ec83323f80bf8c4983062b57
- Currently working on added a test for building a test app with the Qt bootstrap into the python-for-android CI workflow.
- QtAsyncio: Implemented call_soon_threadsafe(), coverage of the event loop infrastructure part of the API should be tentatively finished now
- PYSIDE-2404 Lazy Init abandoned for the moment, too high complexity for part-time work
- Started:
- Improvement on testing module
- Migration of PyPy to Python 3.10
- Update of NoGil status and roadmap
07. December 2023
- General
- Some issues with the snippets translation on some classes, and class diagrams.
- PyConUS: CfP ending on December 18th
- QtCS and QtWS last week
- Infra & Releases
- 6.6.1 was released
- Commercial LTS 5.15.16 was released as well
- Bugs & Features
- PYSIDE-2230 Fixed last QML problems with PEP 697 and Python 3.12
- PYSIDE-2404 Restarted work on Lazy Initialization
- PYSIDE-2539 missing links to QFlags issues
- PYSIDE-2215 intersphinx issue that duplicate modules
- QuickTests were added due to a request
- QT_NO_CAST_FROM_ASCII what is the feature? enabling it remove some API.
- Feedback from QtCS
- Better support in QtCreator (LSP improvements and editing)
- Mix Debugging with Python code, and the underlying C++ in a simpler way. (What about QML + C++ debugging? does it work?)
- Documentation on how to do UI testing.
- Fixing wheel testing, and other flaky test
- Flake8 configuration for our code
- PYSIDE-2476 typing issue was addressed, related to bytes
- Calculator example for android (following quick example revamped)
- Nuitka version bump 1.8
- CMake changes on find_python CI was picking the wrong python version.
30. November 2023
- General
- Everyone at QtCS!
- Infra & Releases
- 6.6.1 almost ready, delayed by sickness in team
- Bugs & Features
- PYSIDE-2524 Slots with default parameters fixed
- PYSIDE-1931 Hang when using PSQL over SSH tunnel fixed
- PYSIDE-2535 Diagnosed DBUS issue
- Refactorings/QString usage
- Looked into Qt Creator QML debugging
- Picked Python 3.12 support to LTS 6.5
23. November 2023
- General
- QtWS and QtCS next week
- Infra & Releases
- CI is updating Python version from 3.8 to 3.11, we will tweak some CI configuration.
- 6.5 was moved to Commercial LTS in the past days, no more patches to the public repo.
- 5.15.16 commercial LTS was released
- 6.6.1 - three changes are pending wrt the Async story in order to have the RC wheels.
- 5.15.x versions that needs to be released to the public will be soon available.
- A review on the python packages on the installer
- qtpip 0.2 will be work on soon
- Bugs & Features
- Async: there is still a crash that needs to be addressed.
- Scripting presentation (poc)
- diagnosis for singleShot
- modernize Analog Clock example
- QML Debugging story saw the light
- PYSIDE-2534 rejected
- PYSIDE-2535 is currently in research
- Qt 6.7 Adaption started
- PoC PyObject explorer
- Qt Strings story: After some research we noticed some missing operators, so we cannot migrate.
- Upstreamed the python-for-android patch.
- Refactoring the deployment tool a bit
- Working on a Qt Academy course (soon to be published!)
- Working on DS compatibility
16. November 2023
- General
- Attended Meeting C++ Conference ... Reflection in C++ (which would revolutionize bindings generation) still planned for C++ 26
- Infra & Releases
- Preparing for 6.6.1
- Bugs & Features
- Checked whether Clang 17 brings any surprises..works
- Checked PYSIDE-2524 .. No viable solution, but some cleanups and performance-related refactorings
- Refine, fixed errors and created upstream pull request in python-for-android - kivy/ ... /pull/2918
- Calling the C++ function for singleShot timers doesn't yet work for signals + another case
- Python arguments need special conversion to C++ for these cases
9. November 2023
- General
- Bug fixing week
- Infra & Releases
- Nothing new under the sun
- Bugs & Features
- PYSIDE-2230 SOTP works problems solved. Check-in pending.
- SbkObjectType changes its type at runtime: was found with logarithmic debug search and fixed.
- bug_825 problem after update to Python 3 was finally solved: In Python < 3.12 SbkObjectType must have size > PyType_Type, in order to win the base class selection.
- Pushing upstream some enum motivated tasks to Designer.
- Dropping support to setup.cfg in favor of pyproject.toml
- Introducing PySide6_Examples wheel
- discussion about singleShot
- PYSIDE-2230 SOTP works problems solved. Check-in pending.
2. November 2023
- General
- Growing interest from companies using PySide6 and develop QML applications.
- There seems to be a few areas where a tutorial is needed, but we'd require people to open 'Suggestions' to our Bug Tracker https://bugreports.qt.io/projects/PYSIDE/
- Threading in PySide applications
- QML project structure
- Internal trip report for PyConES23
- Security training
- https://discuss.python.org/t/pep-703-making-the-global-interpreter-lock-optional-in-cpython-acceptance/37075
- Bugs & Features
- Exploring ways of avoiding download/install artifacts on the CI
- Adding new Examples wheel (we might add extra files for QtCreator)
- Migrating away from the setup.cfg to pyproject.toml
- Executor bug remains, but further research is in progress. (Debugging threads is complicated)
- Simplify algorithm for the multiple inheritance offsets
- PYSIDE-2342 QML singleton when class has a static create factory method
- PYSIDE-2510 Crash with signals on classes that don't inherit from QObject
- QMetaInvoke not taking all the parameters
- 2514 typing issues
- Rebase Rhi compatibility patch
- Designer work on writing fully qualify enums
- PYSIDE-2230 SOTP works continues.
- SbkObjectType changes its type at runtime so it's generating a side effect on checking the functions, and the size of the binary object.
26. October 2023
- General
- Qt World Summit approaching https://www.qt.io/qt-world-summit-2023
- PyConUS website and CfP was announced.
- Infra & Releases
- Releases planned for November
- qtpip will have an independent release cycle
- Bugs & Features
- PEP 697 works continues: hidden structures in our extension types.
- There is an in place implementation, helping with speed, but the rules are tighter for the rest of the code. Single remaining QML problem is bug_825 (segfault).
- QThread Pool Executor implementation on QtAsyncio finally working, but another issue popped-up. Further debugging is required to address it.
- PYSIDE-2492 uic not writing qualified enums. Changes were pushed to Designer.
- Issues with the not-recommended loadUI function
- qtpip improvements for uninstall mechanism
- Should PySide2 be handled?
- Download dependencies improvements.
- PYSIDE-2367 signal disconnect issue with threads, was solved.
- PYSIDE-2342 create function for singleton decorator request, many issues arise on the first PoC
- PYSIDE-2505 kdockwidgets issue
- Catching up with 6.7 current version.
- Re-factoring the multiple inheritance implementation.
- QML Project structure discussion.
- New wheels in the making, for examples and DS
- PEP 697 works continues: hidden structures in our extension types.
19. October 2023
- General
- Artifacts with the blog and text size
- QtWS approaching. Activities and talks planned :D
- Infra & Releases
- 6.6.0 was released
- 6.2.10 to be released soon
- qtpip to be release today
- Bugs & Features
- Extra fields into the type area (hidden elements) is officially supported for 3.12, but not for the Limited API.
- The idea is to enable the PyPy compatibility in a different way.
- Planned work to continue with lazy imports.
- Fix sizeof struct issue (for 3.12)
- First attempts to provide bindings for Rhi
- PYSIDE-2487 disconnect special cases were reported (@Slot should always be used)
- PYSIDE-2492 Type warnings from uic, related to Enums
- Signature of Signals issues
- qtpip changes:
- fulluninstall to include m2m wheel
- OSS wheel detection
- download conf file always
- ThreadPoolExecutor with asyncio research
- Locale macOS issue was solved
- Improvements to the deployment tool (android)
- examples wheel in the making
- improvements to the cross compilation story
- Extra fields into the type area (hidden elements) is officially supported for 3.12, but not for the Limited API.
12. October 2023
- General
- Overview release process.
- PyConES talk was a succeed! Thanks Adrian
- Infra & Releases
- 6.6 release has been facing some difficulties, two major bugs were found and fixes.
- Currently there is a refcount issue that made wheels not-usable in 3.12
- 6.2.10 Commercial LTS will be release in the following days.
- qtpip has been having many issues on the CI (but locally works)
- 6.6 release has been facing some difficulties, two major bugs were found and fixes.
- Bugs & Features
- PYSIDE-2480 linker error was fixed
- Static code analysis issues on source and generated code were fixed
- Started a refactor of the QML registration code
- Mock based tests for Android deployment revealed bugs. Fixed them.
- PYSIDE-2485 - Crash in QLocale::bcp47Name. Under Investigation.
- Fixed a bug with QtAsyncio where closing a program with the close button would throw ugly errors.
5. October 2023
- General
- Team member on his way to PyCon Spain 2023 https://charlas.2023.es.pycon.org/pycones-2023/talk/NCJBTE/
- Infra & Releases
- 6.5.3 is being released today.
- Commercial LTS 6.2.10 release to be prepared
- Team alignment on the release of Maintenance Tool/Account/qtpip/aarch64
- Bump CI configuration to drop 3.7, due to 6.6 being 3.8+
- Static qtpip build issues on-going
- Bugs & Features
- Fix chart example issue
- Continue research on Python scripting on C++
- PYSIDE-2462 Smart pointer fix
- PYSIDE-2230 Python 3.12 support issue for unicode, and other findings for macOS
- PYSIDE-2080 Linking error was fixed
- Qt 6.7 adapting the API on dev
- 3.12 pending issues are being investigated
- tp_dict field was modified (no longer guarantee to exist) moved to an interpreter state for some static types.
- PyType_GetDict was introduced, and it's not Stable API (on Windows is not exposed)
- Risky status for to the Limited API (without a tp_dict access) -> an emulator was written, PepType_GetDict, so user types the tp_dict is still around. The rule is that if tp_dict is 0, we create a new one.
- Enum problems were found a well, but they are now fixed.
- Two new examples adapted for Android (and Python)
- General fixes related to android-deployment of Python applications.
- Starting the request permission API research on macOS
28. September 2023
- General
- OKRs updates
- Doc update: 6.6 was branched so the snapshots are updated (needs check)
- Qt Academy: Python course in the making.
- Qt Creator
- Welcome screen doesn't have any Python examples.
- API docs are missing and example docs as well.
- Windows 11 added a new feature (Dev Drive) on the FS that might improve compile times.
- GNU Health Con 2023 participation.
- Infra & Releases
- 6.5.3 wheels are ready to be tested. Available next week.
- 6.2.10 Commercial LTS in preparation, and re-scheduled.
- Team alignment on the release of Maintenance Tool/Account/qtpip
- aarch64 wheels discussion on distribution
- Bump CI configuration to drop 3.7, due to 6.6 being 3.8+
- Bugs & Features
- Preparation of PyConES presentation: https://charlas.2023.es.pycon.org/pycones-2023/talk/NCJBTE/
- Async: Issue with executors, that have sync tasks. 3.11 has a special treatment.
- Directory structure in projects needs some rules people can follow.
- PYSIDE-2462: New report regarding shiboken advanced usage.
- Fixing integrations and the cherry pick bot (auto pick was misbehave for pyside-setup) - still in discussion
- Python 3.12 still have some issues for the Feature option of the PyTypeObject
- Code analysis on pyside-setup: missing move copy constructors.
- Fixed a couple of QML tests crashes
- Testing android deployment tool (revamping some examples, like multimedia, permission, etc)
21. September 2023
- General
- Python 3.12.0rc3 is out, final release scheduled for October 2
- Infra & Releases
- 6.6 branched
- 6.5.3 preparations
- Bugs & Features
- Fixed PYSIDE-2465 (3.11.5 test fail)
- Work on PYSIDE-2462 (smart pointer features)
- Refactored options parsing of shiboken
- Fixed clang-tidy static analysis issues
- Android permissions API: Adapt more C++ examples
- Couple more cleanups and additions to pyside6-android-deploy
- More manual testing of pyside6-android-deploy. Need to write more integration (mocks) for Android deployment.
- Final cleanup and resolving tests for python-for-android Qt for Python patch
- PYSIDE-2468 -requestPermission() on macOS. Tricky scenario similar to PYSIDE-2419
- asyncio's requirement to use ThreadPoolExecutor keeps screwing us over, but resolution close
14. September 2023
- Infra & Releases
- Testing and fixing qtpip for commercial wheels
- Bugs & Features
- PYSIDE-2460 Work on some OpenGL issues, updated hellogl2 example
- PYSIDE-2461 Build system for cross build fixes
- PYSIDE-2463 Fixed some type hints
- Android auto sdk and nkd download merged.
- Requestpermission API and all android changes set for 6.6 merged. Will write tests in the meantime and do some manual testing with deploying apps.
- patchelf removal for Qfp binaries merged.
07. September 2023
- General
- Majority of the team on holiday
- Infra & Releases
- Preparing 6.2.10, 6.5.3, 6.6.0
- Bugs & Features
- PYSIDE-2393 pytest problem with feature is fixed
- PYSIDE-2428 feature problem caused long search, has to be fixed in matplotlib
- Fixed PYSIDE-2444 QState.assignProperty - incorrect type annotation
- Fixed PYSIDE-2454 Default argument is not used for containers
- Added some number protocol slots PYSIDE-2446
- Research on submodules PYSIDE-2447
- qtpip for commercial wheels polishing touches
31. August 2023
- General
- Python 3.11.5 released
- PyCon Spain talk was accepted - Adrian giving a talk for the new Async story, in October.
- People on leave in September
- FF on Qt for Python overview
- Infra & Releases
- Planning 6.6 for the last days of September
- Maintenance Tool update for qt for python
- Features until 12.09
- Feature issues + multiple inheritance
- Async story needs some testing
- Android patches (new modules, plugins, permissions, etc)
- qtpip for commercial wheels
- new QtCreator templates?
- 6.2.10 Commercial LTS and 6.5.3
- Planning 6.6 for the last days of September
- Bugs & Features
- Lazy imports still in progress, might be available for 6.7
- QmlSingleton crash was fixed
- JIRA was cleaned a bit, many invalid issues
- Signal signatures were adjusted
- PYSIDE-748 additional parameter metamethod (old issue)
- QDataStream read/write data accepting bytes too
- New CMake Qt API has lots of features for qml, resources, etc which might not be too compatible with Qt for Python.
- PYSIDE-2429 macOS deployment min version fixed
- patchelf removal is ready to merge (motivated by android research)
- android: permission API, need some extra testing. Soon ready for review.
- QIODevice buffer object issue was fixed, and is waiting for review (motivated by the async story)
- qtpip development continues.
24. August 2023
- General
- New board on JIRA to reflect our work clearly https://bugreports.qt.io/secure/RapidBoard.jspa?rapidView=262&view=planning.nodetail&issueLimit=100
- Qt Meetups are starting to popup in Berlin and other countries! we might join some of them.
- Discussions around improving the Qt Creator experience and UI creation in general.
- There has been some motivation from Qt/C++ to use more CMake in projects (like for resources), which is negatively affecting the Python projects, due to the lack of CMake in the Python projects.
- Infra & Releases
- Commercial LTS 5.15.15 to be released soon.
- 6.5.3 scheduled for the first week of September
- Bugs & Features
- QIODevice::read(char*, qint64) functions are removed, but they are useful for the asyncio story. Discussion on if it's worth exposing them.
- More changes related to QtAsyncIO are ready for review.
- PYSIDE-2417 overflow issue was fixed
- [ot] i18n in the Qt framework
- PYSIDE-2418 connection issue with python overloads
- 6.6 documentation has some issues due to the QtGraph new module
- PYSIDE-2423 connecting signals to python callable doesn't properly work - trying to find a proper solution
- PYSIDE-2424 Installing shiboken in a non-standard way discussion - it might not be properly fixed.
- Next Wednesday 10am: session about Shiboken + QtScrypt status
- PYSIDE-2419 locale issue on macOS due to the Info.plist that python includes that overrides the QLocale settings. A bug report was filed upstream, and a workaround is suggested.
- PYSIDE-2421 webengine issue was discussed, it's an Qt/C++ chromium issue.
- CMake FindPython patches are still being worked out, the wrong interpreter is being found.
- patchelf removal is causing some issues with cross compilation.
- qtpip works continues.
17. August 2023
- Bugs & Features
- Investigating on PyPySide MI segfault postponed but on To-Do list PYSIDE-1991
- PYSIDE-2404 More Progress in Lazy Initialization
- the optional __getattr__ in module objects was successfully implemented (but is seldom used)
- lazy init of Enums is probably no more needed, covered by the import scheme below
- most common cases like "from PySide6.QtWidgets import QLabel" supported by another __import__ override
- Keep your fingers crossed, testing starts today
- PYSIDE-2419 QLocale::language() returns wrong on macOS.
- Caused by QLocale infrastructure which looks at Info.plist inside the Python interpreter macOS bundle.
- Working on a hack fix after consulting Tor Arne and Eddy.
- Pacthelf removal - cross compilation breaks. Working on a fix.
- PYSIDE-2421 - QWebEngineView.print() - rerouted to Qt
- But, might requires an ownership fix in Shiboken once QTBUG-116052 is resolved
- Research - use the .debug files provided by the Qt installer to debug from VSCode.
- Saves time from not building Qt everytime
- Still ongoing
- QtAsyncio: Implementation of asyncio.Server (one open question remains - asyncio API and Qt API don't always match as cleanly as desirable).
10. August 2023
- General
- Infra & Releases
- Bugs & Features
- Patchelf removal only partially possible because of using patchelf on prebuilt Qt binaries.
- For Qfp binaries patchelf removal under review. MacOS issue being fixed. This is needed for Android.
- Shiboken module cmake installation bug fixed.
- Progressing with Android C++ to Python callback, now that Qfp binaries could be loaded on startup.
- Further investigating on PyPySide MI segfault PYSIDE-1991
- PYSIDE-2404 Progress in Lazy Initialization
- the new dual registration is done and builds the base for concrete lazy init
- lazy init of Enums postponed because
- an undocumented optional __getattr__ in module objects makes it much easier to lazy-load whole classes, first.
- Patchelf removal only partially possible because of using patchelf on prebuilt Qt binaries.
3. August 2023
- General
- New reports board
- QtCreator support
- Integration cycle on gerrit overview
- Infra & Releases
- CI down next Monday for a few hours
- First tests on linux arm64
- Preparing 5.15.15 Commercial LTS
- qtpip first trials on the CI
- Bugs & Features
- Async research continues, new things are being discovered while is being developed
- Implementing a few new things for improving the support
- Initial patch got merged, but a few others are in the making
- Team contributing to QtAcademy
- SQL queries issues, inconsistencies in the API were fixed
- Build with ninja had some problems regarding mixing stdout and stderr
- Testing initial support for rvalues
- 2272 fixing signatures for some qmlRegister* functions
- Examples: new mediaplayer was fully ported
- Example gallery scans now a doc directory for images
- Some other multimedia examples are pending for review
- Team contributing to Qt translations
- Adjusting the deployment tool, and fixing issues with pyenv, and upgrading nuitka
- CMake: adjusting the files to use the new API for finding python, reducing our cmake files
- Considering also the removal of patchelf, and follow the cmake approach
- Lazy initialization of enums is showing a good improvement on the performance
- Async research continues, new things are being discovered while is being developed
27. July 2023
- General
- Shyam wrote trip report to Europython
- Some vacations starting soon for some team members
- Got some cool t-shirts (internal only so far) - Is there interest for merch?
- Infra & Releases
- 6.5.2 released
- Some LTS releases soon as well
- Issues on the CI (RHEL8.6) and python interpreter.
- Formalization of release besides wheels on PyPI and account.qt.io
- Soon to enable CI on qtpip
- Bugs & Features
- [ext] designer issue, translations
- PYSIDE-2402 QtHttpServer module was missing on Windows
- QSql methods were un-deprecated (module seems to need more love)
- Port QtGraph example
- AsyncIO module: there is a second change in preparation
- Finally the android issue we had was solved. It seems that patchelf was breaking our binaries, and now we are using a cmake approach instead.
- Enable unity builds for android
- Nuitka will be pinned to a recent version
- PYSIDE-2404 lazy loader research
- Interesting projects we checked
20. July 2023
- General
- Two team members @ Europython 2023
- Infra & Releases
- Bugs & Features
- Implementing transports and protocols of asyncio API
- Lazy importer still under development. Ongoings:
- necessary to register all types without creating them
- turning all PyTypeObject into PyTypeObject valued functions
- quite hard because deeply buried in the generated code
13. July 2023
- General
- CI is not behaving, so be cautious
- 3.12 beta 4 was released
- Next week some people are going to Europython
- Infra & Releases
- 6.5.2 still in progress, waiting to have the RC wheels
- Bugs & Features
- Qt Akademy to prepare a Qt for Python course
- Examples: we might adapt our gallery to https://bugreports.qt.io/browse/QTBUG-115174
- Android: callback issue from C++ to Python, some ideas are around, but the problem persists.
- Might be related to the usage of patchelf.
- Research on Lazy loader continues
- Some ideas are behaving well at the moment, but still being tested.
- We might need to discover some classes that we cannot initialize lazily (manual code injection, need init before usage)
- We need some reviews for the eventloop patch (asyncio)
- An enum class with an issue for stubs.
- qtpip work continues
- Some good-first-issue are planned for the project, so more contributors can join us!
6. July 2023
- General
- PySide 6.6 will support Python 3.8+
- Python 3.12 support will be back-ported to 6.5 only, and not 6.2
- Infra & Releases
- 6.2.9 commercial lts was released yesterday.
- 6.5.2 RC wheels to be tested.
- 5.15 open commercial lts tags are in the pyside/pyside-setup repo.
- qtpip configuration file being improved and updated
- ARM CI host configuration continues
- Bugs & Features
- Removal of old enums was finished
- Starting to work with lazy loaders for enums
- First iteration of the asyncio support for the qt eventloop, tests are being prepared.
- PYSIDE-2370 cross compilation issue, might be related to host python, provided some options to try.
- Android issue, we cannot get C++ callbacks to Python. Might be related to a python version incompatibility.
- Preparing a contribution back to python-to-android
- Rewriting some enum code
- Add mediaplayer demo in qtdoc for python (some issues with qml)
- Add document viewer qtdoc example
- PYSIDE-2381 QSettings issue
- pyside6-lupdate issues related to encoding.
- qtpip works continues
29. June 2023
- General
- Next maintenance break in August.
- Infra & Releases
- 6.5.2 postponed until next week
- 6.2.9 Commercial LTS soon to be released (a new qt build)
- 5.15.15 LTS in the next weeks
- ARM CI host still in progress
- Brainstorming some additional matrix testing infra for Python versions
- Tags for OSS and new LTS public releases (IFW ticket)
- Bugs & Features
- Research on scripting continues
- Designer related features/ QtCreator
- Memory leak related to REG is solved
- New icon theme for examples coming
- Some qdoc examples might be enabled for Python
- Enum removal is still generating detail discussions
- Two implementation versions are suggested.
- The old ones were written in C++ so the startup time is a lot slower
- Lazy generator is helping a A LOT
- Android dev build - unity had some complications
- Async event loop work, last issues were addressed.
- still some network io features are missing
- [Research] PySide components for QtDS needs to follow QtDS release cycle rather than Qt.
21. June 2023
- General
- PyPI limit increase for PySide6-Addons
- PySide 6.6 might have support for Python 3.8+ (due to Python 3.7 EOL in a week)
- Python 3.12b3 is out - test!
- Qt Contributor Summit
- General session + maybe another one for specific topics.
- Infra & Releases
- 6.2.9 is ready, but waiting for Qt/c++ release
- 6.5.2 release date is next week.
- Tags for OSS and new LTS public releases
- Bugs & Features
- Android research: extra functionality is there, and working on bluetooth/permission integration with a device (example)
- PYSIDE-2364 Invalid syntax on a pyi file
- Continue with the old enum removal.
- Maybe delayed initialization to improve startup time.
- AsyncIO eventloop work continues
- Research for scripting continues
- 6.6 adaptations
- Fix Enum issue with clang with invalid hex
15. June 2023
- General
- Going to EuroPython
- Participation in Qt Academy
- Infra & Releases
- 6.2.9 LTS to be released
- NFS issues in the CI, being worked on.
- ARM host on CI experiencing some issues.
- Some preliminary wheels were generated in order to test.
- Might help the Android story, but this needs to be confirmed.
- Bugs & Features
- Async research revisited
- Testing eventloop wrapping
- Memory leak issue still needs to be fixed (hopefully for 6.5.2)
- Examples in Qt revamp
- Translations and fixes for 6.6
- Discussion about Enums implementation
- Scripting on C++ research continues
- PYSIDE-1735 removing old enums continues
- Android improvements in review
- Adding more modules
- QVariant enum change (temporary patch until Qt7)
- shiboken_generator research to make it publicly available (libclang dependency)
- Async research revisited
8. June 2023
- General
- Python 3.11.4 released, 3.12.0beta2
- PySide6-addons reaching the 10G limit on PyPI
- Infra & Releases
- 6.5.1.1 released due to a regression (introduced by a mem leak fix)
- Maintenance Tool > wheels
- Special case for M2M protocols to be tested
- CI on arm64 continues (Linux and Windows)
- Bugs & Features
- Fixed some type-hint related issues PYSIDE-2357/PYSIDE-2331/PYSIDE-2340
- Scripting research
- Qt pip tool has updated the configuration file and wheels to continue the work on the new tool
- QVariant PyEnum issue -> solution for review
- Android work continues: improving the dependency detection
- PYSIDE-2335 unraisable is finally checked in (the current solution works, it could be improved but low prio -> xml definitions)
- PYSIDE-2354 type error due to the usage of Generic (related to 939) - related to cpython issue
- PYSIDE-1735 old enums removal started
- Example tunings
- Bug fixing week
1. Juni 2023
- General
- Europython - call for first time speakers (open to anyone)
- Waiting until API review to move dev to 6.6
- New Epic/User Stories policy
- Participating into Qt Academy
- Infra & Releases
- 6.5.1 released, a leak fix is causing issues with signal connections.
- Initially we thought it was purely functools.partial but there are other cases that are not working.
- Testing alternative solutions, otherwise we revert
- In any case a 6.5.1.1 will be out soon
- Need to test the new conf file for the commercial wheel install mechanism
- 5.15 needs to skip libclang16
- Testing maintenance tool with a license without Qt for Automation (for wheel check)
- JIRA release versions are pending.
- 6.5.1 released, a leak fix is causing issues with signal connections.
- Bugs & Features
- (External) Designer fonts issues
- PYSIDE-2347 metaobject tool missing types
- Scxml events missing connections.
- Scripting research (check report)
- Leak research continue
- Issue with new example state machine to be solved (event handling)
- PYSIDE-1930 PYSIDE-2239 QVariant Enum issue, the fix is out, but we need some tests.
- Finish the problem with unraisable exceptions
- Discussion on special cases with a run function
- Blocking functions are still an issue, because we cannot break
- PYSIDE-2354 typing.Generic issue with inheritance in progress
- PyTest research continues
25. Mai 2023
- General
- QtWS - One talk accepted
- Europython - One talk accepted
- Infra & Releases
- 6.5.1 one issue was found, so release will be available once we merge the fix.
- 5.15.14 to be release soon.
- CI arm64 experiments continue
- Asking about M2M wheels on the maintenance tool, for 6.6
- Solving LTS issues of missing tags on public repo, might take some time.
- Bugs & Features
- Evaluating shiboken6_generator to be published on PyPi
- Few small fixes around the project (release preparation, new features, small bugs, doc issues)
- QtScrypt experimental work continues
- Permission API added (motivated by the android support)
- Improvements for the android deployment.
- Trying to fix an issue of getting Enums to Ints
- Delayed exceptions work continues, trying to fix some corner cases still.
- Starting to explore PEP 658
- Research on PyTest compatibility
- [Designer] Fixing some issues, and warnings
18. Mai 2023
- Infra & Releases
- 6.5.1 Preparations
- 5.15.14 Preparations
- Bugs & Features
- Fixed PYSIDE-2325 typesystem incomplete
- Fixed PYSIDE-2328 Segmentation fault/access violation when connecting signal of temporary object
- Fixed PYSIDE-2329 Signal connections with init kwargs
- Reverted temporarily the delayed exception patch, in order to not block the 6.5.1 release. This should be discussed at the next meeting
- Fixed PYSIDE-2310
- Fixed PYSIDE-2321
11. Mai 2023
- General
- Python Users Berlin meetup talk today
- Europython, QtWS
- Qt FF 02.06
- Android team «ketchup»
- Example revamp update
- Quick examples needs to be ported to loadFromModule (Quick3D, QuickLocation, missing)
- Infra & Releases
- 6.5.1 to be release around 15.05 -> shifted to next week.
- https://bugreports.qt.io/browse/PYSIDE-2310 regression
- https://bugreports.qt.io/browse/PYSIDE-2299 memory leak
- 5.15.14 to be release around 16.05
- 6.5.1 to be release around 15.05 -> shifted to next week.
- Bugs & Features
- Fixing regressions issue related to threads - delayed exceptions
- https://bugreports.qt.io/browse/PYSIDE-2321 event handlers issues
- https://bugreports.qt.io/browse/PYSIDE-1951 virtual method override - still in progress
- https://bugreports.qt.io/browse/PYSIDE-2230 3.12 support
- nogil research continues - mutex might slow down things, but doing a proper division of the code could help.
- QML example tutorials - one review pending
- 2313 longtype issue with numpy
- examples revamping - loadFromModule
- Icon library -> icon theme soon available on a new module.
- PYSIDE-2316 sharedpointer template issues
- Shiboken refactoring
- Finally the memory leak is fixed
- Enhancing android story, detection of modules, finding dependencies, got ideas from the current qt/c++ tool.
- Build infrastructure, setup.py install has been deprecated since 3.11 - looking into a new build infrastructure.
- Internal technical talks
- Shiboken generating bindings
- Shiboken for documentation generation
- type hints generation
- QML integration via decorators
4. Mai 2023
- General
- Europython talk by Shyam still under consideration
- Qt for Android catch up meeting scheduled for 09/05/2023
- Discussion with kivy developers done on discord. They seem to be onboard with the Qt support.
- Infra & Releases
- Bugs & Features
- Android Deployment Enhancements - Bringing pyside6-android-deploy at the level of androiddeployqt - Ongoing
- python-for-android PR Enhancements - Ongoing
- PYSIDE-1951 super().__lt__ global solution ongoing
- PYSIDE-2206 QML examples/tutorials revamping
- PYSIDE-2221 Python runs NoGil version of mandelbrot.py 7.7 times faster on a 10-code M1 machine
- PYSIDE-2288 Fixed Clang 16 support for 6.6/6.5.
- PYSIDE-2310 Crashing without error reporting in Qt-based threads, debugging
- PYSIDE-2299 Ongoing, current attempt fixes most tests but leaves some SegFaults, might be a dead-end.
27. April 2023
- General
- Planning collaboration with other projects like Kivy, towards a better mobile support.
- QtWS talks submitted
- PyConES, PyConPT, PyConAPAC
- Qt for Android catching up meeting
- Bug fixing week
- Infra & Releases
- 5.15.8 wrong source code was published PYSIDE-2297
- Bugs & Features
- PYSIDE-1951 super() and `__lt__` operator issue related to our wrapper.
- asyncio work continues
- enhancements for python-for-android to improve the android stories
- pyside6-android-deploy polished as well
- 2299 memory leak might have special cases related to the callback
- clang16 is giving some issues in Qt
- Icon examples libraries for the python examples research
- Snippet translator improvements
20. April 2023
- Bugs & Features
- Work on support for clang 16, which changes behavior quite a bit
- Fixed PYSIDE-2284 issue with NoneType
- Fixed PYSIDE-2285 Type hints / Tuples
- Fixed PYSIDE-2298 and others, fixed some missing 6.5 API
- Added new tools - pyside6-qmlsc (commercial only) and pyside6-qmlcachegen
- Simplified tool adding process
- PySide6 to Android Deployment blog published 🤞
- PYSIDE-1564 Final approach was implemented with a new super() class. But This approach was not helpful. Issue finally closed.
- PYSIDE-1951 A solution was finally found and implemented. Trying to improve.
- PYSIDE-2304 Issue resolved, Cooperative Multiple Inheritance explained with a custom example, customer is happy
- PYSIDE-2299 Cause for memory leak has been found, but fix will not be trivial (might require extensive refactoring in worst case).
- Debugging QtAsyncIoEventLoop, partly functional but still early.
13. April 2023
- General
- SF 24.04 -> 16.05 ooo
- CM 19.04 -> 27.04 ooo
- QtCreator beta now includes an extra option to create virtual environments
- Infra & Releases
- 6.5.0 released, but one missing DLL on windows for people without hw acceleration.
- To be fixed in 6.5.1
- 6.2.8 LTS to be released this week
- Improving current state of the maintenance tool for Python
- Second version of the packages in the server
- https://discuss.python.org/t/pep-684-a-per-interpreter-gil/19583
- https://discuss.python.org/t/pep-711-pybi-a-standard-format-for-distributing-python-binaries/25547
- Qt Design Studio integration is on research
- 6.5.0 released, but one missing DLL on windows for people without hw acceleration.
- Bugs & Features
- Type hints PYSIDE-2284 issue with NoneType
- 2283 Platform dependencies into our docs
- Clang16 improvements to be compatible
- Research on the missing DLL issue on Windows
- Research on a memory leak possible related to Signal instances.
- asyncio debugging with a self-made event loop
- Improving the python-for-android changes to prepare a patch
- Technical Preview blog post for Android in the making
- PYSIDE-2294 multiple inheritance issue for a corner case with positional arguments
- Researching a new approach that could improve things further
6. April 2023
- General
- New Python releases 3.11.3, 3.10.11
- Infra & Releases
- 6.5.0 released
- 6.2.8 commercial LTS to go out soon
- Review Maitenance Tool integration
- qtpip server configuration still in progress
- Bugs & Features
- Android: preparing post, tests, and general improvements.
- PYSIDE-2266 venv issue with the deployment tool.
- Documentation was released for 6.5.0 and many things were polished.
- Async: continue working on the event loop wrapper implementation.
- Research on memory leak that pyqtgraph found
- Brushing up tutorials: expenses
- Adding new examples: simplebrowser, screen capture
- Documentation: found some issues with qdoc (from the move of examples to auto tests)
- PYSIDE-2278 type hinting issue was fixed
- Improvements to the documentation
- Cleaning imports from examples
- Add isort to the development guide
- Exploring other projects where Python can shine
30. March 2023
- General
- Infra & Releases
- 6.5 to be released next week
- including requirements.txt along the commercial bundle
- research if possible retroactively
- qtpip research continues
- Bugs & Features
- Features that needs to be in before 6.5
- deployment tool nuitka patch
- android tool
- tutorial of thew new quick styled app
- Improving enums to avoid using the old implementation
- Deployment tool and android research continues
- Async research on asyncio and trio proper integration
- Refactoring
- Shiboken examples are not displayed on the docs
- Updating the new image of the project
- Re-porting multimedia examples, simplebrowser
- Initial support for permission API
- small fixes on metaobjectdump
- Features that needs to be in before 6.5
23. March 2023
- General
- QtWS CfP open
- EuroPython talks submitted
- Keeping an eye on future Python events
- Infra & Releases
- 6.4.3 is out
- pypy3 3.9.12 compatible, newer versions included an incompatibility
- 6.5 branching out today
- 6.4.3 is out
- Bugs & Features
- async support continues.
- Fixing a couple of issues related to the pyside6-deploy tool.
- venv compatibility
- qml apps are not properly working
- android support almost ready for TP
- PYSIDE-2261 cython signature module incompatibility fixed
- Removed goto from PySide
- Multiple inheritance issues were fixed.
- old Enums are being removed, and the startup time will improve a bit (still in progress)
- PYSIDE-971 GL funtions implementation
- including texttospeech into the wheels (missing by mistake)
- adapting scripts to 6.5
- metaobjectdump issue fixed
- doc updates
16. March 2023
- General
- Preparing submissions for Europython
- New company colors
- Infra & Releases
- 6.4.3 release next week (no release branch)
- Issues with Nuitka 1.5.1 (released yesterday) and the CI didn't like it. Pining 1.5
- Bugs & Features
- qtpip: add support for many other operators (for versions)
- PYSIDE-2254 exit crash issue was fixed
- PYSIDE-2251 designer issue when not initializing virtual environment.
- qmlsurface example ported (polishing the C++ code as well)
- example icons: discussions to standardize them a bit
- android research: fixing some issues with qtquick
- PYSIDE-1564 multiple inheritance work continues, really far but found new issues. Generalizing the solution a bit from a Shiboken point of view. Research on how shiboken handle multiple inheritance to be compatible with Python's way.
- PYSIDE-2255 virtual method issue related to access to those members.
- Generalization of QApplication usage on the tests.
- Research: Add course to QtLearn related to Qt for Python
- doc: some links are broken.
- doc: migration to sphinx-design from sphinx-panels
9. March 2023
- General
- Packing use-cases
- Europython CfP: https://ep2023.europython.eu/cfp
- Infra & Releases
- Preparing 5.15.13: release might be today if nothing goes wrong.
- Wheel bundles on the account.qt.io, and soon to be available in the Maintenance Tool
- Bugs & Features
- Re-added QtLocation
- Added larger examples for QtLocation, QtDataVisualization
- Android research continues, preparing a TP
- https://bugreports.qt.io/browse/PYSIDE-2169 Leak related to AsyncIO was finally fixed: related to the new Enum implementation
- PyErr_Fetch/Restore does ref counting, and not borrow ref
- qtpip works continues
- https://bugreports.qt.io/browse/PYSIDE-79 bug signal instance: fixed most if not all possible errors.
- https://bugreports.qt.io/browse/PYSIDE-1403 pyi still produces something not fully working with IDEs
- https://bugreports.qt.io/browse/PYSIDE-1564 First version of the implementation of multiple inheritance is working
- Not a general solution, but a good approach (compatible with a competitor).
- Working on a full support to handle multiple inheritance
2. March 2023
- General
- Preparing internal/external material
- Next monday CI maintenance break
- Infra & Releases
- commercial wheel bundles available on account.qt.io
- 6.4.3 release was postponed
- Bugs & Features
- Improvements for qtpip
- postEvent() memory leak still has an unknown origin
- PYSIDE-2236 QMetaMethod.fromSignal added
- PYSIDE-2237 be careful with using reserved words in examples/docs/...
- PYSIDE-2239 opaquecontainers wrong dunder name
- PYSIDE-2206 Examples revamping
- Maybe we keep some examples around even if they are removed in Qt/C++
- Android work continues! looking good with 6.5
- PYSIDE-1564 Multiple inheritance story was improved, still in progress.
23. February 2023
- General
- Giving a talk at Python La Paz (on Saturday) - in Spanish
- Infra & Releases
- 6.4.3 ready to start the release process
- Change to fix the windows signing is merged
- Bugs & Features
- 3.12 compatibility changes will reach 5.15, 6.2, and the future 6.5 LTS
- PYSIDE-79 (caused by PYSIDE-68) refcounting issues addressed
- Continue the 3.12 support because of some new issues found
- PYSIDE-1564: Multiple inheritance support is still being worked (old ABC issues might be related)
- Issues with documentation build (sphinx)
- Research on a memory leak related to the asyncio example: it's not related to asyncio, but from the posting action (pyside, and not Qt, because a C++ example with no async doesn't have any leak)
- PYSIDE-2234 adding QRunnableCreate
- fixed 6.5 issues with cross compilation
- Designer examples revamp
- Works continues on qtpip (a pip wrapper to install commercial wheels)
- PYSIDE-2232 NixOS issues was fixed (another was deferred)
- Research on the std::span support
- Unity compilation research continues
- Bug cleanup, closing and fixing old ones.
- OpenGL getProc issue is being worked on.
- PYSIDE-2192 interactive matplotlib issue (hook)
16. February 2023
- General
- Development of a tool for commercial wheel installation started, and other general improvements.
- Blog posts -> 6.5 release, and Android research.
- Don't forget about Europython.
- Infra & Releases
- Branching dev to 6.5 when the Qt/C++ 6.5.0 RC is out (16 Mar '23)
- Only fixes go to dev with Pick-to: 6.5 if necessary
- new features remain in dev (for 6.6)
- Branching dev to 6.5 when the Qt/C++ 6.5.0 RC is out (16 Mar '23)
- Bugs & Features
- nogil research was positive, and most of our test work. It would require for us to modify the generator for each function/module.
- mandelbrot example works and improves its performance around 3.5 times.
- Python 3.12 will include an incompatibility due to the changes in the type generation
- https://github.com/python/cpython/issues/60074#issuecomment-1430115581
- some other issues were found, but not as critical as the tp_new issue.
- It will be possible to install pyside6 in conda environments starting from 6.4.3 and 6.5
- commercial identifier on commercial wheels will be replaced to be compatible with distutils
- asyncio research continues
- Adapting the deploy tool to include compatibility with android (in progress)
- research on ML-based tool to transform c++ <-> python
- Getting started docs updated
- qtdoc documentation content will be included in the docs
- doc issues: some broken links and references
- General slides to be updated
- nogil research was positive, and most of our test work. It would require for us to modify the generator for each function/module.
09. February 2023
- General
- How to make our API better for pathlib?
- 3.11.2 released, 3.10.10 as well
- https://peps.python.org/pep-0675/
- Infra & Releases
- LTS tags cannot be pushed to community repo (permissions), hopefully in this week.
- Maintenance Tool updates soon
- Binary signing still need a little change to be working
- dev to use 6.5 starting today
- Bugs & Features
- Android research in progress, looking good :)
- A solution was proposed to fix the usage of PySide6 in conda environments: still needs tweaks to work, mainly related to an internal qt.conf that's loaded at runtime.
- PYSIDE-2222 custom widget plugin, load with uic crash
- PYSIDE-2201 was fixed: introducing weak references into the SignalInstances.
- PYSIDE-79 was possible to solve (from PYSIDE-68 solution). Still needs to some documentation to be written.
- PYSIDE-2221 research on future compatibility with NoGIL Python https://github.com/colesbury/nogil https://peps.python.org/pep-0703/
- https://github.com/blueloveTH/pocketpy also interesting
02. February 2023
- General
- Europython 2023 will be in Prague! 17-23 July
- Infra & Release
- Improving wheel creation in our CI (signing windows, and other things)
- Soon we will have released LTS in the OSS repo (after some complications)
- CI Maintenance break coming next Monday (keep an eye open to the Python configuration)
- Bugs & Features
- Unity builds were helping pyside/shiboken, and some tests are being done in qt/c++
- meta task on revamping examples in the Qt Project
- Adding uic functionality and documentation
- Doc reviews, some issues were found
- Android development continues, and looks good!
- introducing --log-level to change --verbose-build and --quiet
- Overhaul of Signal/SignalInstance continues:
- PYSIDE-2201 Weak Reference handling is complete
- PYSIDE-79 Research on Reference bug continues
- create_wheels.py --builddir to explicitly provide build directory
- WIP: QtAsyncIoEventLoop using Qt's event dispatcher, using BaseEventLoop and BaseSelectorEventLoop for guidance
26. January 2023
- Infra & Releases
- Fixed issues with Windows signing
- Bugs & Features
- Fixed PYSIDE-2204 qt.conf encoding
- Fixed bugs in pyside6-metaobjectdump (QML) PYSIDE-2202 , PYSIDE-2203
- PYSIDE-2194: Possibly requires refactoring of QLowEnergyController to use the new WinRT API, instead of COM API
- Android Deployment - Patches incoming to automate cross compilation to produce android wheels
- Overhaul of Signal/SignalInstance
- Implement Weak Reference Handling
- PYSIDE-2201 Handle early destruction of the object better
- PYSIDE-79 Trying to finally fix the reference leak using weakref.
- Alternative approach to Anaconda issue: Register internal qt6.conf with site-packages prefix (still WIP).
- WIP: Implement class QtAsyncIoEventLoop(asyncio.AbstractEventLoop) that wraps around Qt's event loop to enable Qt + asyncio.
- Memory leak with current asyncio example (or space leak?)
19. January 2023
- General
- Hackathon in TQtC
- The WebAssembly PySide Team was almost doubled in size (+1 brain, +1 hand)
- Infra & Releases
- Windows signing to be improved.
- LTS releases into oss repo: some issues appeared but will be merged soon.
- Bugs & Features
- PYSIDE-1994: De-virtualization of Shiboken embedded Python files is now an option controlled dynamically by SBK_EMBED
- PYSIDE-1019: A dormant __feature__ initialization timing problem was fixed while implementing de-virtualization
- PYSIDE-1735: De-coupling of old and new enums was started
- PYSIDE-1564: Debugging of multiple inheritance continues
- Fixed some bluetooth functions in PySide6.
- Low Energy Scanner Example
- PYSIDE-2194: Progressing with this. Definitely a thread issue which allow-thread doesn't seem to fix.
- Possible solution for problems with PySide6 inside conda (compat package with qt6.conf file), but investigating if best solution
- PYSIDE-1994: De-virtualization of Shiboken embedded Python files is now an option controlled dynamically by SBK_EMBED
12. January 2023
- General
- Next week is Hackathon, meeting will be shorter
- Discussion on how to gather information, and sharing material around Qt for Python
- Infra & Releases
- 6.5 RC planning -> feature freeze for PySide
- 6.4.2 was released last Monday
- CMake Jumbo builds issue with Windows signing
- LTS branches to land in pyside-setup soon
- Bugs & Features
- Async examples: addressing memory leak and cpu usage due to the event loop interactions
- Review conda packaging story and PySide6
- De-virtualization of Python files: still some issues
- Incompatibility with pywin32: __feature__ related when trying to check if the ext module uses PySide. Also related to an issue with the inspect module.
- Installing PySide6.support via CMake (was previously not considered)
- Work continues on the multiple inheritance issues related to classes based on QObject
- locate issues related to to* methods
- std::array support in shiboken (still in progress)
- fixing imports in matplotlib examples
- adaptation to 6.5
- splitting shiboken generator source to its own
- Android deployment works - tested on Widget applications
- Fixing QTBUG-109510 leading to discovering issues with certain functions in PySide6. Being fixed.
5. January 2023
- General
- Next monday CI maintenance
- OKRs
- Infra & Releases
- 5.15.12 LTS, 6.2.7 LTS released
- Open Source LTS releases to be moved to the pyside-setup
- 6.4 CI hanging, issues on lts-5.15 due to Python
- 6.4.2 to be release in the following days
- Bugs & Features
- PYSIDE-1931 SQL issue regarding allow-thread
- helping 6.5 translations
- Adaptations with 6.5
- QSharedPointer -> std::shared_ptr attempt
- research on adding std::span into shiboken
- PYSIDE-2160 properties qml types issues
- Tutorials language review
- Android research continues
- QTBUG-109510 BTLE issue on pyside