Re: [Pythoncard-users] splitting widget.py into multiple files

Kevin Altis wrote:

> Jeff has made a good point about modularizing the current widget
> organization. Right now, all the widgets are defined in widget.py and other
> related elements are in spec.py, event.py, wxPython_binding.py. Part of the
> reason I went to the trouble of cleaning up the import statements in the
> framework was to simplify breaking widget.py up into separate modules, which
> I've wanted to do for a long time. Ideally, it would be nice to have one
> widget class per module file or to put all related widgets in a file. For
> example, TextField, PasswordField, and TextArea are all related text field
> classes.
> 
> I don't actually know how to do a sub-package for the widget modules or what
> impact this would have on the rest of the framework. Sometimes, there are
> references to a widget class such as:
>   PythonCardPrototype.widget.Button
> 
> Ideally, rather than needing explicit imports, maybe the import statements
> could be wrapped in a for loop to import all of the modules in a widget
> directory? That would allow you to add additional widget modules without
> changing the rest of the framework. I need some help and suggestions from
> the Python wizards here.


Not sure how to do it, but I vote for this solution.  Dynamic loading of 
the widget library would be sweet.


> If we can do a reasonable split of widget.py, then the next step is to
> incorporate Jeff's ideas so that the spec and event classes specific to a
> given widget are contained in its module. Each widget module could also
> contain its own unit tests, which would be very nice.


Yep, this sounds good to me.  I'd be glad to help on this one.  I 
haven't looked at Jeff's code yet but it sounds like he's on the right 
track.


> These changes would move us much closer to treating widgets like real
> components.
> 
> I think for py2exe to process the files correctly, you need real import
> statements, you can't rely on the framework doing some magic parsing of each
> module.
> 
> I'm still trying to grok Jeff's code, so some or all of the answers to the
> questions above may be waiting in his code.
> 
> ka
> 
> 
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-- 
Talk to ya,
Rowland

"The whole problem with the world is
that fools and fanatics are always so
certain of themselves, and wiser people
so full of doubts."

-- Bertrand Russell,
    quoted in the book
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