PEP 245: Python interfaces

[James_Althoff at i2.com]

I would like to propose a change to PEP 245.  Instead of calling for the
"Interfaces package" to be turned into a standard Python "type" (as stated
in PEP 245), I think "interface objects" should be (i.e., remain)
instances of a true "Interface class" (_not_ a built in type) so that the
(unfortunate) split between "types" and "classes" in Python does not grow
any wider.  This would leave open the possibility for someone to subclass
the "Interfaces class" if necessary to add methods and fields to extend its
initial functionality.

Jim




                                                                                                                   
                    Michel Pelletier                                                                               
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                    03/22/01 11:02 PM                                                                              
                                                                                                                   
                                                                                                                   





Hi!

I'm the author of PEP 245, a framework and syntax for interface objects in
Python.

http://python.sourceforge.net/peps/pep-0245.html

It has just recently been made a PEP, and I'd like to solicite some more
input from the community (you).

For those of you who don't know the formal defintion of "interface", don't
worry (there isn't one!).  There are, however, a lot of agreed and
disagreed upon definitions out there in the world, and PEP 245 is one
particular take on the situation, based on pioneering work done by the
Type-sig and Jim Fulton over the last couple of years.

There is a Wiki (referenced in the PEP) for formal discussion and, of
course, this newsgroup, which I will hanging out in for the next few days
answering any questions about the proposal.

Thanks!

-Michel

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