[Python-3000] Reminder: Py3k PEPs due by April
Guido van Rossum
guido at python.org
Tue Apr 10 20:53:27 CEST 2007
On 4/10/07, Raymond Hettinger <python at rcn.com> wrote:
> Thanks for the reminder. I expect to write two:
> * PEP to eliminate __del__ in favor of weakref idioms
> * PEP on simpler alternative to abstract-base-classes
> suggesting an occasional method special attribute
> (so for instance a __getitem__ method can tell you
> whether it thinks it is a sequence or mapping).
> Here's that I think might not need a PEP:
> * Eliminate implicit string concatenation: "abc" "def"
> in favor of an explicit + operation. That simplifies
> the grammar just a bit and the compiler already is
> smart enough to do constant fold this operation at
> compile time. When there are multi-line concats, I think
> the parenthesis serves us much better than a trailing \
> which is ugly and relies on having no trailing whitespace.
> 'hello ' \
> 'world '
> ('hello ' +
> 'world ')
That needs a PEP too; there are subtle issues like
'world' % 42)
--Guido van Rossum (home page: http://www.python.org/~guido/)
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