[Python-bugs-list] [ python-Bugs-557436 ] TclError is a str should be an Exception

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Bugs item #557436, was opened at 2002-05-17 16:39
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Category: Tkinter
Group: Python 2.3
>Status: Closed
Resolution: Accepted
Priority: 5
Submitted By: Neal Norwitz (nnorwitz)
Assigned to: Neal Norwitz (nnorwitz)
Summary: TclError is a str should be an Exception

Initial Comment:
Since string exceptions are deprecated, it seems that
TclError (in _tkinter.c) should be changed to derive
from Exception.

It isn't apparent to me how to accomplish this.  If
someone can provide a quick high-level description, I
can make a patch.

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>Comment By: Neal Norwitz (nnorwitz)
Date: 2002-06-04 13:14

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Checked in as Modules/_tkinter.c 1.125 and Misc/NEWS 1.415

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Comment By: Martin v. Löwis (loewis)
Date: 2002-06-02 08:49

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The patch looks good; please apply it. Also add a note in
Misc/NEWS, and send a message to python-dev or amk that this
is potentially an incompatibility.

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Comment By: Neal Norwitz (nnorwitz)
Date: 2002-05-25 09:34

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The attached patch seems to work,
but I'm not sure I'm exercising it appropriately.

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Comment By: Martin v. Löwis (loewis)
Date: 2002-05-22 12:56

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The official API is PyErr_NewException, where NULL as the
base class indicates to inherit from Exception.

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Comment By: Raymond Hettinger (rhettinger)
Date: 2002-05-18 04:45

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Try makeclass() in Python/exceptions.c -- the file also 
shows how all the built-in exceptions get created.

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