Re: [PyQt] Bug: PyQt5.uic.loadUi() attempts to set non-existing property

[Phil Thompson]

On Sun, 2 Jun 2013 19:28:42 +0200, mathias.b...@gmx.de wrote:
> Hi,
> 
> There appears to be an error in the loading of .ui files in PyQt5.
> Please try the attached example.
> 
> Error message:
> 
> Traceback (most recent call last):
>   File "D:\eclipse.workspace\py_tests\src\uic_bug.py", line 15, in

> window = LogWindow()
>   File "D:\eclipse.workspace\py_tests\src\uic_bug.py", line 8, in
__init__
> PyQt5.uic.loadUi(os.path.join(os.path.dirname(__file__),
> 'log_window.ui'), self)
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\__init__.py",
>   line 224, in loadUi
> return DynamicUILoader(package).loadUi(uifile, baseinstance,
> resource_suffix)
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\Loader\loader.py",
>   line 72, in loadUi
> return self.parse(filename, resource_suffix, basedir)
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
>   line 931, in parse
> actor(elem)
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
>   line 756, in createUserInterface
> self.traverseWidgetTree(elem)
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
>   line 734, in traverseWidgetTree
> handler(self, child)
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
>   line 444, in createLayout
> self.stack.push(self.setupObject(classname, parent, elem))
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
>   line 161, in setupObject
> self.wprops.setProperties(obj, branch)
>   File
>  
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\properties.py",
>   line 415, in setProperties
> getattr(widget, "set%s%s" % (ascii_upper(prop_name[0]),
> prop_name[1:]))(prop_value)
> AttributeError: 'QHBoxLayout' object has no attribute 'setMargin'
> 
> 
> The log_window.ui instantiates a QHBoxLayout, with all margins set to
the
> same value. This makes
> the uic module try to set a "margin" property, which doesn't exist.
> Setting one of the margins (for example "leftMargin") to a different
value
> works.
> 
> Best Regards,
> Mathias Born

Already fixed in current snapshots I think.

Phil
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[PyQt] Bug: PyQt5.uic.loadUi() attempts to set non-existing property

[Mathias . Born]

Hi,

There appears to be an error in the loading of .ui files in PyQt5.
Please try the attached example.

Error message:

Traceback (most recent call last):
  File "D:\eclipse.workspace\py_tests\src\uic_bug.py", line 15, in 
window = LogWindow()
  File "D:\eclipse.workspace\py_tests\src\uic_bug.py", line 8, in __init__
PyQt5.uic.loadUi(os.path.join(os.path.dirname(__file__), 'log_window.ui'), 
self)
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\__init__.py",
 line 224, in loadUi
return DynamicUILoader(package).loadUi(uifile, baseinstance, 
resource_suffix)
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\Loader\loader.py",
 line 72, in loadUi
return self.parse(filename, resource_suffix, basedir)
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
 line 931, in parse
actor(elem)
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
 line 756, in createUserInterface
self.traverseWidgetTree(elem)
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
 line 734, in traverseWidgetTree
handler(self, child)
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
 line 444, in createLayout
self.stack.push(self.setupObject(classname, parent, elem))
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\uiparser.py",
 line 161, in setupObject
self.wprops.setProperties(obj, branch)
  File 
"D:\_cpp_projects_\Python\Python-3.3.1\lib\site-packages\PyQt5\uic\properties.py",
 line 415, in setProperties
getattr(widget, "set%s%s" % (ascii_upper(prop_name[0]), 
prop_name[1:]))(prop_value)
AttributeError: 'QHBoxLayout' object has no attribute 'setMargin'


The log_window.ui instantiates a QHBoxLayout, with all margins set to the same 
value. This makes
the uic module try to set a "margin" property, which doesn't exist.
Setting one of the margins (for example "leftMargin") to a different value 
works.

Best Regards,
Mathias Born

log_window.ui
Description: Binary data
from PyQt5.QtWidgets import *
import PyQt5.uic, sys, os.path


class LogWindow(QFrame):
def __init__(self):
QFrame.__init__(self)
PyQt5.uic.loadUi(os.path.join(os.path.dirname(__file__), 
'log_window.ui'), self)

if __name__ == '__main__':

import sys

app = QApplication(sys.argv)
window = LogWindow()
window.show()
app.exec_()
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