[python-win32] Displaying contents of a file using PyWin

[Gabriel Genellina]

At Friday 22/12/2006 00:28, Mark Hammond wrote:

 > >import win32ui
> > >from pywin.mfc import docview
> > >
> > >t = docview.DocTemplate()
> > >t.OpenDocumentFile("d:/temp/music.log", True)
> > >
> > >This caused windows to close PythonWin.
> >
> > This appears to be a problem with pywin32.
> > Using release 209 for Python 2.4 I get an Access Violation.
>
>It was attempting to set a Python error without the GIL held.  I've fixed
>that - it now results in:
>
>win32ui: PyCDocument::OnOpenDocument handler does not exist.
> >>>

Oh, thanks!

>Using:
>
> >>> t.OpenDocumentFile(None)
>
>Opens a document - I'm afraid I can't recall the MFC semantics here at the
>moment.

I think one should inherit from docview.Document and write the 
OnOpenDocument handle, but I'm not sure either. I hope the OP has 
enough info to continue from here.

> > Also I've noticed that this idiom:
> >
> > try:
> >      win32ui.GetApp().RemoveDocTemplate(template)
> > except NameError:
> >      # haven't run this before - that's ok
> >      pass
> >
> > doesn't work anymore because RemoveDocTemplate raises a different
> > exception now.
>
>I can't recall any change I made that would account for that.  I'm assuming
>that the NameError comes from 'template' which is yet to be assigned - but
>in that case RemoveDocTemplate should not be called as the NameError happens
>before.  I don't recall (and grep doesn't show) that pythonwin ever raises
>this exception.

It is used in 4 scripts inside pythonwin\pywin\framework.
And can be found on your own book, chapter 20...


-- 
Gabriel Genellina
Softlab SRL 


	

	
		
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