Re: Need help debugging Phoenix in a application being migrated from Classic

On Fri, 27 May 2016, Hélio Guilherme wrote:

> 
> I am already burning my brain for too many weeks!
> 
> I am migrating RIDE from Classic wxPython to Phoenix. I have a major bug
> that only happens with Phoenix (and not with 2.8.12.1 and 3.0.2). My branch
> with debugging output is
> https://github.com/HelioGuilherme66/RIDE/tree/wxPhoenix.
> The application features a Text Editor and Cell Editor (Spreadsheet like)
> for Robot Framework testing files.
> Recommended Setup:
> Install robotframework with:
> pip install robotframework
> 
> Install Phoenix (for example for Python 2.7 in Windows 64bit):
> pip installhttp://wxpython.org/Phoenix/snapshot-builds/wxPython_Phoenix-3.0.3.dev2030+
> 028d173-cp27-cp27m-win_amd64.whl
> or
> Install Phoenix (for example for Python 2.7 in Linux 64bit):
> pip installhttps://github.com/HelioGuilherme66/Phoenix/releases/download/v3.0.3.dev200
> 1/wxPython_Phoenix-3.0.3-cp27-none-linux_x86_64.whl
> 
> Install RIDE (or get the code) (please see the installation instructions in
> the Wiki):
> pip install https://github.com/HelioGuilherme66/RIDE/archive/wxPhoenix.zip
> 
> -----
> If using the source code, you may run with:
> invoke devel
> or
> python src/robotide/__init__.py
> 
> 
> -----
> 
> Description of the blocking bug (when running in Fedora Core 22 x64):
> 1 - Enter a keyword in a Cell, or edit exiting value.
> 2.1 - If running from installed RIDE (or with PyCharm), there will be an
> "maximum recursion limit" error in RIDE Log.
>        But the Cell content is correctly changed.
> 2.2 - If running from source code, the application will crash with
> Segmentation fault.
> 
> If you start editing a Cell but keep the value unchanged, there will be no
> problem.
> 
> -----
> The CellEditor methods include a feature to look up the imported libraries
> in the Test File and suggest known values (by using Control+Space). The
> problem is when saving the editing to the file context, there is a recursive
> call to the storing methods (the moment we conclude the editing).
> Why does this code breaks with Phoenix and not with 2.8.12.1 and 3.0.2?
> (I want to improve the code, but I would be happy with a workaround or if
> confirmed that is Phoenix bug).
> 
> The problematic code is in file src/robotide/editor/kweditor.py.
> -----
> 
> Attached is an example file. And image of it opened in RIDE.
> 
> Please help this Software Tester (also Software Archeologist :) ), I will
> help testing your open source projects if you want :).
> 
> Thank you,
> Help

Can you narrow this down to a self-contained test case at all?

I tried, but I could not get your program to run.  I got:
AttributeError: No attribute or settings with name '_editor' found

Can you get the stack trace of the segmentation fault?

Scott