[PySide] QtDesigner ???

[David Ching]

Hi Paolo,

I again tried your original code, and this time got an error:

c:\Src\paolo_orig>python pyDBManager.py
Traceback (most recent call last):
  File "c:\Src\paolo_orig\pyDBManager.py", line 166, in <module>
    window = MainWindow()
  File "c:\Src\paolo_orig\pyDBManager.py", line 61, in __init__
    self.ui.setupUi(self)
  File "c:\Src\paolo_orig\Ui\DBManagerMainWindowBad.py", line 246, in
setupUi
    self.tab_widget.setCurrentIndex(3)
AttributeError: 'PySide6.QtWidgets.QSpacerItem' object has no attribute
'hasHeightForWidth'


I had rebuilt your code by editing your batch file to fix directories on my
system and ran it.  This runs uic and rcc.  I diffed the results with yours.
Earlier I had missed differences in the generated
"UI\DBManagerMainWindowBad.py" in line 246:

Yours:  self.tab_widget.setCurrentIndex(3)
Mine:   self.tab_widget.setCurrentIndex(0)

I don't know why the generated file was different; perhaps because I am
using 6.2 tool and you are using 6.3.  But, when I changed mine to be like
yours, I got the same error.  

Having reproduced your issue, I tried moving the snake_case enabling before
and after the import of the generated code, and it made no difference, i.e.
there was an error with both:

    from Ui.DBManagerMainWindowBad import Ui_DBManagerMainWindow
    from __feature__ import snake_case, true_property

and

    from __feature__ import snake_case, true_property
    from Ui.DBManagerMainWindowBad import Ui_DBManagerMainWindow


Since that failed, I disabled snake_case --- I verify with you that it fixes
it!

I commented out
  #from __feature__ import snake_case, true_property

And to avoid Atttribute errors at runtime, changed the necessary calls to
methods of the "self.ui.xxx" widgets to use camelCase e.g.
        #self.ui.status_bar.add_permanent_widget(self.status_log)
        self.ui.status_bar.addPermanentWidget(self.status_log)

Then it worked --- there does seem to be an error in generated code if snake
case is enabled.  

Thanks,
David

-----Original Message-----
From: Paolo De Stefani <paolo at paolodestefani.it> 
Sent: Tuesday, April 26, 2022 11:04 AM
To: David Ching <dc at dcsoft.com>
Cc: pyside at qt-project.org
Subject: Re: [PySide] QtDesigner ???

I also noted that the error message is different if a modify the generated
pyDBManagerMainWIndowBad.py the original error is:

C:\PyWare\pyDBManager\Bug>python pyDBManager.py Traceback (most recent call
last):
   File "C:\PyWare\pyDBManager\Bug\pyDBManager.py", line 161, in <module>
     window = MainWindow()
   File "C:\PyWare\pyDBManager\Bug\pyDBManager.py", line 56, in __init__
     self.ui.setupUi(self)
   File "C:\PyWare\pyDBManager\Bug\DBManagerMainWindowBad.py", line 133, in
setupUi
     self.gridLayout.setContentsMargins(0, 0, 0, 0)
AttributeError: 'PySide6.QtWidgets.QGridLayout' object has no attribute
'setContentsMargins'. Did you mean: 'getContentsMargins'?

If i add even an import line like import os and run again the script the
error message is:

C:\PyWare\pyDBManager\Bug>python pyDBManager.py Traceback (most recent call
last):
   File "C:\PyWare\pyDBManager\Bug\pyDBManager.py", line 161, in <module>
     window = MainWindow()
   File "C:\PyWare\pyDBManager\Bug\pyDBManager.py", line 56, in __init__
     self.ui.setupUi(self)
   File "C:\PyWare\pyDBManager\Bug\DBManagerMainWindowBad.py", line 30, in
setupUi
     if not DBManagerMainWindow.objectName():
AttributeError: 'MainWindow' object has no attribute 'objectName'. Did you
mean: 'object_name'?

Why this behaviour ???
But looks like direct linked to the snake_case option