When I try to run any of my scripts from the IDLE GUI, 
in Windows, through the Edit>Run Scipt menuitem, all I 
get is this error:

>>> Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Python22\lib\lib-tk\Tkinter.py", line 1300, in 
__call__
    return apply(self.func, args)
  File "C:\Python22\Tools\idle\ScriptBinding.py", line 
151, in run_script_event
    interp.execfile(filename)
  File "C:\Python22\Tools\idle\PyShell.py", line 178, in 
execfile
    code = compile(source, filename, "exec")
UnicodeError: ASCII encoding error: ordinal not in range
(128)

I checked the stack-trace, and saw that the "ordinal" it's 
complaining about must be the "å" in my Windows user 
name.  IMHO, I should be able to run scripts even if my 
user name isn't all ASCII ...

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More info.  Here's the path to my script, in Windows:

*  C:\Documents and Settings\Håkan\Skrivbord\guitest.py

and here it is, kind of thrashed, as I intercepted it in the stack 
trace:

*  u'C:\\Documents and 
Settings\\H\xe5kan\\Skrivbord\\guitest.py'

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Can you try the version from idlefork?  See idlefork.sf.net.

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In idlefork it worked! Woo-hoo! And when I ran into an 
exception, even the "å" in "Håkan" was written out correctly.

So this gotta mean that there's a patch waiting, if only the 
IDLE maintainers will accept it? How should we go forward?

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By the way, as a separate note... this is is how it looks:

Traceback (innermost last)
  File "c:\documents and settings\håkan\skrivbord\guitest.py", 
line 22, in ?
<snip>

Shouldn't the path be case-sensitive? It's all-lowercase above, 
whereas it should have quite a few uppercase chars... 
However, I'm happy as long as it works!

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Håkan, idlefork will be merged back into python.  So after
the merge, everything should be fine for python 2.2.3 and
2.3.  I will leave this bug open until after the merge.

As for the lower casing, I have no idea.

If you have time, it would be great if you could test idlefork.
An alpha release will be made soon, but the more testing it
gets the better.

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nnorwitz, thanks for your help.

Should I file a bug about the lowercase issue?

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If you think it's important, I suppose.  I don't find it
that important.  But I have no idea how difficult it is to
fix.  If it was simple, I would want it fixed.

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This should be fixed now that IDLEfork has been merged back
into Python 2.3.