[Python-Dev] UserDict in 2.7
Laurens Van Houtven
lvh at laurensvh.be
Tue Jun 22 15:23:36 CEST 2010
On Tue, Jun 22, 2010 at 2:40 PM, Fred Drake <fdrake at acm.org> wrote:
> On Tue, Jun 22, 2010 at 2:21 AM, Raymond Hettinger
> <raymond.hettinger at gmail.com> wrote:
>> I had thought there was a conscious decision to not change any existing
>> classes from old-style to new-style.
>> I thought so as well. Changing any class from old-style to new-style
> risks breaking applications in obscure & mysterious ways. (Yes, we've
> been bitten by this before; it's a real problem.)
>>> -Fred
+1. I've been bitten by this more than once in some of the more
obscure old(-style) classes in twisted.python.
Laurens
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