(Solved)Problems with Probe Basic python3 and linuxCNC 2.9

EragonPower
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4 years 2 months ago #249485 by EragonPower

(Solved)Problems with Probe Basic python3 and linuxCNC 2.9 was created by EragonPower

Hello everybody,
i´ve just switched to a new PC for my CNC router due to some memory issues, so with this new start i´ve decided to switch to Probe basic with python 3 and linuxcnc 2.9. i´ve had some issues with packages right from the getgo, after solving everything i´ve tried starting PB and it thew this error: file attached

qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.

i really don´t know what to do, does anyone have any idea?
Thanks in advance to everybody

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EragonPower
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4 years 2 months ago #249496 by EragonPower

Replied by EragonPower on topic Problems with Probe Basic python3 and linuxCNC 2.9

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EragonPower
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4 years 2 months ago #249502 by EragonPower

Replied by EragonPower on topic Problems with Probe Basic python3 and linuxCNC 2.9

Update:
i´ve reinstalled the whole system again, now trying to start probe basic gives this error:

Warning: Spoiler!

Code:

Traceback (most recent call last):File "/home/linuxcnc/.local/bin/probe_basic", line 8, in <module>sys.exit(main())File "/home/linuxcnc/.local/lib/python3.7/site-packages/probe_basic/__init__.py", line 20, in mainqtpyvcp.run_vcp(opts, VCP_CONFIG_FILE)File "/home/linuxcnc/.local/lib/python3.7/site-packages/qtpyvcp/__init__.py", line 27, in run_vcprun(*args, **kwargs)File "/home/linuxcnc/.local/lib/python3.7/site-packages/qtpyvcp/app/__init__.py", line 129, in runlaunch_application(opts, config)File "/home/linuxcnc/.local/lib/python3.7/site-packages/qtpyvcp/app/launcher.py", line 78, in launch_applicationloadWindows(config['windows'])File "/home/linuxcnc/.local/lib/python3.7/site-packages/qtpyvcp/app/launcher.py", line 228, in loadWindowswindow = _initialize_object_from_dict(window_dict)File "/home/linuxcnc/.local/lib/python3.7/site-packages/qtpyvcp/app/launcher.py", line 208, in _initialize_object_from_dictreturn obj(*args, **kwargs)File "/home/linuxcnc/.local/lib/python3.7/site-packages/probe_basic/probe_basic.py", line 24, in __init__super(ProbeBasic, self).__init__(*args, **kwargs)File "/home/linuxcnc/.local/lib/python3.7/site-packages/qtpyvcp/widgets/form_widgets/main_window.py", line 43, in __init__self.loadUi(ui_file)File "/home/linuxcnc/.local/lib/python3.7/site-packages/qtpyvcp/widgets/form_widgets/main_window.py", line 102, in loadUiuic.loadUi(ui_file, self)File "/usr/lib/python3/dist-packages/PyQt5/uic/__init__.py", line 226, in loadUireturn DynamicUILoader(package).loadUi(uifile, baseinstance, resource_suffix)File "/usr/lib/python3/dist-packages/PyQt5/uic/Loader/loader.py", line 72, in loadUireturn self.parse(filename, resource_suffix, basedir)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 1021, in parseactor(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 828, in createUserInterfaceself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 273, in createWidgetself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 503, in createLayoutself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 546, in handleItemself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 503, in createLayoutself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 546, in handleItemself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 503, in createLayoutself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 546, in handleItemself.traverseWidgetTree(elem)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 806, in traverseWidgetTreehandler(self, child)File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 264, in createWidgetself.stack.push(self.setupObject(widget_class, parent, elem))File "/usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py", line 230, in setupObjectself.wprops.setProperties(obj, branch)File "/usr/lib/python3/dist-packages/PyQt5/uic/properties.py", line 415, in setPropertiesprop_value = self.convert(prop, widget)File "/usr/lib/python3/dist-packages/PyQt5/uic/properties.py", line 378, in convertreturn func(prop[0], **args)File "/usr/lib/python3/dist-packages/PyQt5/uic/properties.py", line 292, in _paletterole = getattr(QtGui.QPalette, color.get('role'))AttributeError: type object 'QPalette' has no attribute 'PlaceholderText'
 p, li { white-space: pre-

i´ve read online that this problem comes when Qt is not the 5.12 or higher version, so i´ve installed the 5.12 version but the problem remains.

I´m going mad with this

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Lcvette
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4 years 2 months ago #249512 by Lcvette

Replied by Lcvette on topic Problems with Probe Basic python3 and linuxCNC 2.9

how are you installing it? using the script? or?

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EragonPower
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4 years 2 months ago #249515 by EragonPower

Replied by EragonPower on topic Problems with Probe Basic python3 and linuxCNC 2.9

I'm installing everything using the installer found in the repository, every time it throws an error, i try the command in the terminal and try to fix what it misses. for example, it look for python 3.9 instead of 3.7, at that point i execute the same command changing 3.9 to 3.7
edit: on the same note, on the qtpyvcp requirements page it says that i need python3-vtk9. installing it through apt gives that it doesn't exist, downloading it anjd installing it with dpkg gives dependency missing, in some of them it looks for python 3.10 or higher. do i need to install it too?

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EragonPower
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4 years 2 months ago #249521 by EragonPower

Replied by EragonPower on topic Problems with Probe Basic python3 and linuxCNC 2.9

Update:
i´ve installed everything, ran axis for the first time an than tried launching PB:
2 unhandled exceptions.

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Lcvette
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4 years 2 months ago #249523 by Lcvette

Replied by Lcvette on topic Problems with Probe Basic python3 and linuxCNC 2.9

you could use the script installer, it seems to be more dialed in, i think the isntaller is still lacking some things and needs more work.

the script installer i just ran this morning and everything works just as it should!

github.com/joco-nz/lcnc-bullseye-installer

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rodw
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4 years 2 months ago #249545 by rodw

Replied by rodw on topic Problems with Probe Basic python3 and linuxCNC 2.9

if you have Python 3.7, you are not runnig Debian Bullseye. You need Python 3.9 and up for V 2.9
Run that script installer on a fresh install of Debian Bullseye.

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EragonPower
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4 years 2 months ago #249552 by EragonPower

Replied by EragonPower on topic Problems with Probe Basic python3 and linuxCNC 2.9

So, i've come to a conclusion, finally i would say.
Following the installation from github.com/joco-nz/lcnc-bullseye-installer i've realized something. I was running LinuxCNC Buster using the linuxCNC 2.8.2 conversion process to linuxCNC 2.9. The truth is that i needed to start with a complete vanilla Debian bullseye to made it work. I've followed the instructions from the installer and managed to install everything in roughly 15 minutes. In the end i've installed Probe Basic with python3, started everything, installed some missing libraries with pip and than it finally worked.

Thanks everybody to have guided me through this process as a noob that i am.

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Lcvette
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4 years 2 months ago #249854 by Lcvette

Replied by Lcvette on topic Problems with Probe Basic python3 and linuxCNC 2.9

Excellent glad you're up and running!

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