#pyqt | Logs for 2018-11-09

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[00:53:32] <linuxson> Is it possible to access the child elements of a custom listwidget item after its been populated?
[00:55:22] <linuxson> I have a custom widget which contains some labels and stuff being inserted into my qlistwidget
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[06:02:49] <linuxson> How do I access elements inside my custom qlistwidgetitem?
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[08:06:51] <flowgunso> i'm having issues with uic while compiling: QKeySequenceEdit throws a NoSuchWidgetError exception, and Webview are compiled as QWebKitWidget which seems deprecated
[08:07:19] <flowgunso> i'm using pyqt5.11.3, qt5.11.2 and qtdesigner5.9.5
[08:08:00] <flowgunso> is this a known issue ? web searches didn't give me much solutions...
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[10:32:53] <altendky> flowgunso: do you mean pyuic?
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[10:35:56] <flowgunso> altendky: i mean both pyuic5 binary and uic module. they both generate the same output with the same errors.
[10:37:36] <altendky> flowgunso: the web view stuff has changed, though i don't keep track of exactly when or how as i don't use it. i'm also not sure what version of qt that designer is related to.
[10:38:47] <altendky> flowgunso: the QKeySequenceEdit doesn't look like anything special though
[10:40:39] <altendky> flowgunso: what os and python bit depth? windows 32-bit doesn't include the web stuff as i recall. the qt installer doesn't provide it right now and that passes through into pyqt
[10:45:20] <flowgunso> altendky: im using ubuntu 18.04 and python 3.6. i haven't tried uic/pyuic from pyqt5.9.5 since qt designer is at 5.9.5, ill try that now
[10:46:57] <altendky> flowgunso: i'd recommend you try pyqt5-tools, but the special bit about it is pretty fiddly, i haven't managed to fix it yet. but, that's only relevant to custom widgets. i think the rest works ok and it would get you the designer for the version of pyqt you are using.
[10:47:11] <altendky> flowgunso: you are installing the pyqt5 wheels from pypi? in a virtualenv or venv?
[10:47:47] <altendky> err, nevermind, it's also only building for windows. way to forget that...
[10:47:50] <Avaris> flowgunso: does it work with uic.loadUi?
[10:52:01] <flowgunso> altendky: from a venv then pulled from pypi
[10:52:24] <flowgunso> Avaris: i haven't tried with uic.loadUi
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[10:54:54] <flowgunso> Avaris: using pyuic with preview actually use uic.loadUi and it didn't throw the NoSuchWidget execption on QKeySequenceEdit.
[10:55:26] <altendky> flowgunso: what was it you did use from the uic module?
[10:56:21] <flowgunso> altendky: uic.compileUi only
[11:04:06] <flowgunso> Avaris: uic.loadUi does work fine with QKeySequenceEdit, but still fails on QWebKitWidget
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[11:15:33] <Avaris> can you share the .ui?
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[11:31:36] <Avaris> how do you add a webview in designer? i don't have it in the list
[11:31:52] <altendky> Avaris: what designer version?
[11:32:00] <Avaris> 5.11
[11:32:17] <altendky> Avaris: do you recall when the web stuff changed over? they're on 5.9.5
[11:32:23] <altendky> (designer)
[11:32:36] <Avaris> it should way before that
[11:32:43] <Avaris> 5.5-ish i think
[11:40:28] <flowgunso> Avaris: https://pastebin.com for QKeySequenceEdit, https://pastebin.com for QWebKitWidget.QWebView
[11:41:06] <altendky> flowgunso: you've got a custom widget setup for the web thing.
[11:41:33] <flowgunso> altendky: nope, i've used the one from designer
[11:42:27] <altendky> flowgunso: as asked, how do you add it? but if you look at your second link, it is listed as a custom widget which is extending qwidget
[11:44:41] <flowgunso> altendky: drag/drop from the widget box in designer, the display widget group, the QWebView one. i havent created a custom widget
[11:45:05] <altendky> Avaris: ^
[11:46:15] <altendky> https://wiki.qt.io
[11:46:31] <altendky> webkit was removed as of 5.6
[12:16:03] <flowgunso> about the QKeySequenceEdit exception, do you want the traceback dump ?
[12:16:14] <flowgunso> since uic.loadUi works, the most direct difference is the CreatorPolicy
[12:16:24] <flowgunso> and i've noticed the CompilerCreatorPolicy and LoaderCreatorPolicy are different
[12:19:31] <altendky> flowgunso: you are welcome to share whatever you want :] i'm sort of here, sort of busy
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[12:50:01] <Avaris> flowgunso: QKeySequenceEdit is probably a bug, you should probably report it
[12:53:42] <Avaris> list of widgets are taken from uic.Compiler.qtproxies and the widgets are hardcoded
[12:55:36] <Avaris> for the QWebEngineView, as I understand it, you're supposed to add a QWidget and promote it with QtWebEngineWidgets.QWebEngineView as the header
[12:56:19] <altendky> it's almost like i need to get pyqt5-tools working just so i can add 'custom' widgets for existing widgets
[12:56:50] <altendky> Avaris: i've still got some working cases and some not with pyqt5designer :[
[12:57:43] <Avaris> that promoted widget produces "correct" code, but imports are missing
[13:00:15] <Avaris> oh never mind, imports are there. apparently QKeySequenceEdit thing stops it in the middle, so half the code wasn't produced
[13:05:06] <Avaris> https://dpaste.de
[13:05:27] <Avaris> putting import to the end is annoying but technically OK
[14:00:39] <flowgunso> is pyqt mailing list for bug reporting or is there something else ?
[14:01:10] <altendky> flowgunso: it is
[14:01:58] <altendky> flowgunso: that's one of my annoyances with pyqt. the only public source is snapshots and the only public interface is the maillist. (i like public repos, issue trackers, and builds with automated tests)
[14:18:12] <flowgunso> altendky: imo they are good health indicator of a software/community, but its not that bad for pyqt
[14:18:45] <flowgunso> altendky: also, i can understand riverbank being protective of their product
[14:19:24] <altendky> flowgunso: sure, but they publish source. just need to break up repos so the public stuff can be public and the private stays private
[14:19:53] <altendky> flowgunso: and i bet not having public reference builds has wasted lots of peoples time.
[14:20:02] <altendky> or, cost their time, if you prefer
[14:20:19] <altendky> though on that front, a buildable sdist is in work, so that's really nice
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[14:41:56] <flowgunso> what the benefit of an sdist over source snapshots ?
[14:42:38] <altendky> flowgunso: the implication is you can pip install it, so, it contains the information required to do a build. then you have at least a reference build config, even if not a reference ci job building it.
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[15:05:32] <flowgunso> altendky: ah, local build will be easier. on the other hand, pyqt is fine enough, its counterpart wx and pygtk are not as good
[15:05:52] <altendky> flowgunso: i happily use pyqt. i think aspects could be better.
[15:07:06] <flowgunso> altendky: yes. i admit, i wasn't excepting the issues i went into
[15:08:05] <altendky> flowgunso: everything has bugs so they don't really bother me. it's the secretive approach taken to the open source that does.
[15:09:23] <Avaris> i think it's more about "old habits die hard" than being secretive
[15:09:49] <altendky> meh, it's not like sourceforge wasn't around way back when
[15:10:25] <altendky> but yeah, i just meant to differentiate private repo vs public repo. presumably there's also a private issue list. private builds. etc
[15:10:55] <altendky> it's technically open source because it's published but it's not open source in regards to encouraging public development
[15:11:05] <altendky> (even if patches are accepted)
[15:17:27] <flowgunso> i dont know qt's history very well, but did nokia buying qt screwed thing up, up to its bindings ?
[15:18:00] <altendky> flowgunso: i really have no basis to comment at that level
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[15:47:07] <Avaris> which bindings?
[15:53:52] <flowgunso> whichever ? all of them ? as for python, pyside was born from that, it must have been a game changer for riverbanks
[16:15:43] <Avaris> nokia started pyside. so, not sure what "screw up" meant in that case. pyside probably had an effect on riverbanks, sure, but pyside was never as mature as pyqt (IMO).
[16:16:38] <altendky> then there was qt5 and pyside didn't exist for it
[16:22:20] <Avaris> iirc, that was after nokia
[16:22:47] <altendky> i don't know when, just that it'd play into pyqt having competition or not
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