[Python-Dev] str(Exception) changed, is that intended?

Brett Cannon brett at python.org
Tue Mar 7 22:21:10 CET 2006


On 3/7/06, Thomas Heller <theller at python.net> wrote:
> I know that my unittests should not rely on this, but is this change
> intended?
>
> c:\sf\ctypes_head>py24
> Python 2.4.2 (#67, Sep 28 2005, 12:41:11) [MSC v.1310 32 bit (Intel)] on win32
> Type "help", "copyright", "credits" or "license" for more information.
> >>> str(Exception)
> 'exceptions.Exception'
> >>> ^Z
>
>
> c:\sf\ctypes_head>py
> Python 2.5a0 (trunk:42903M, Mar  7 2006, 22:01:07) [MSC v.1310 32 bit (Intel)] on win32
> Type "help", "copyright", "credits" or "license" for more information.
> >>> str(Exception)
> "<class 'exceptions.Exception'>"
> >>> ^Z

It's a side-effect of making built-in exceptions new-style classes. 
Not sure how you would override the string representation of a class
anyway to fix this.

-Brett


More information about the Python-Dev mailing list