'NoneType' object has no attribute 'select'

[Sepideh N]

when I run program on MAC by 

python3 dxf2gcode.py

 after selecting file menu and open a dxf file, I get below error every time:

'NoneType' object has no attribute 'select'

even If I do not open a file but click on the screen of program, I get below error:

AttributeError: 'NoneType' object has no attribute 'selectedItems'

when I run it on ubuntu 16.04 I got below error:

Segmentation fault (core dumped)

Can anyone help me with these problems?

Thanks

[Chrisko]

Hi Sepideh,

first of all: Please open only one post for the same problem. This is producing extra work for us all if you open several ones. 

I do not own any MAC machine, therefore i am not able to test it here. I can't understand where this failure may come from and your not attached core dumped is not helping anything here ;-) ... 

Can you give us a bit more information. 

I tested under windows and development environment also. Did you try older versions also or which dxf2gcode versions do have this behavior?

regards

Christian 

[Sepideh N]

hello 

this is the last version of dxf2gcode

 

I tested it under windows with "python dxf2gcode.py" command, and I got error again :( 

Traceback (most recent call last):

  File "C:\Users\Sepideh\Desktop\dxf to gcode\dxf2gcode-sourcecode-c5e511a2cc6ca

3ab84187056aeb3a1f85027d63e\source\gui\treeview.py", line 280, in selectionChang

ed

    self.selectionChangedcallback(self, selected, deselected)

  File "C:\Users\Sepideh\Desktop\dxf to gcode\dxf2gcode-sourcecode-c5e511a2cc6ca

3ab84187056aeb3a1f85027d63e\source\gui\treehandling.py", line 1104, in actionOnS

electionChange

    selectionLayer.select(itemLayerSelection, QItemSelectionModel.Deselect | QIt

emSelectionModel.Rows)

AttributeError: 'NoneType' object has no attribute 'select'

[Christian Kohlöffel]

Hi Sepideh,

 

This is really extreme strange. Just tested this again, but I do not see any issue with dxf2gcode and also cannot reproduce the error. Please test the windows exe file too if you see the same problems there. What is the common thing you did on your MAC and windows. Are you using the same python and pyQT versions there? Maybe its linked to a dedicated new python or pyQt version. Can you try another ones?

I can only guess where this failure is coming from and I think it’s linked to pyQt and the GUI. Does any one of the other developers see the same failure there?

 

Regards

Christian

[Sepideh N]

hello

I tested the windows exe file and I did not get the same error. but I need to run python program because I want to debug it and extract some piece of code (just converting dxf to gcode)

I am using following versions:

python  3.5.3

sip-4.19.2

PyQt5_gpl-5.8.2

thanks

[Sepideh N]

Hello again

I decided not to use gui and now I run below command:

>python dxf2gcode.py 12.dxf -e 12.ngc -q

and I change window.load() to window.load(plot=False)

I got bellow error :

Traceback (most recent call last):

  File "dxf2gcode.py", line 1228, in <module>

    window.myExportShapes(None, options.export_filename)

  File "dxf2gcode.py", line 1095, in myExportShapes

    self.TreeHandler.updateExportOrder()

  File "C:\Users\Sepideh\Desktop\dxf to gcode\dxf2gcode-sourcecode-c5e511a2cc6ca

3ab84187056aeb3a1f85027d63e\source\gui\treehandling.py", line 547, in updateExpo

rtOrder

    i = self.layer_item_model.rowCount(QtCore.QModelIndex())

AttributeError: 'NoneType' object has no attribute 'rowCount'

Thanks

[Christian Kohlöffel]

I think this is an installation problem or not compatible pyQt version. Please try an other one.

Regards Christian

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[Sepideh N]

I installed bellow packages and my problem solved

PyQt5-5.4.1-gpl-Py3.4-Qt5.4.1-x32
python-3.4.4

Thanks Christian for your help