updated pre-PEP: The create statement

[Steven Bethard]

Carl Banks wrote:
> Steven Bethard wrote:
>> I've updated the PEP based on a number of comments on comp.lang.python.
>> The most updated versions are still at:
>>
>>      http://ucsu.colorado.edu/~bethard/py/pep_create_statement.txt
>>      http://ucsu.colorado.edu/~bethard/py/pep_create_statement.html
>>
>> In this post, I'm especially soliciting review of Carl Banks's point
>> (now discussed under Open Issues) which asks if it would be better to
>> have the create statement translated into:
>>
>>      <name> = <callable>("<name>", *<tuple>, **<namespace>)
>>
>> instead of the current:
>>
>>      <name> = <callable>("<name>", <tuple>, <namespace>)
>>
>> The former allows the create statement to be applied to a wider variety
>> of callables; the latter keeps a better parallel with the class statement.
> 
> Meh.  I don't think the args, kwargs is a good idea at all, and wasn't
> suggesting that.  For this construction not to apply to type objects
> would be a mistake.  I wanted us to consider whether it was a problem
> for it not to work in certain useful cases (such as dicts), and whether
> it was deal-breaking, and what to do about it if not.
> 
> Off the top of my head, a simple way to make this work for both types
> and dicts is to have a special static method called __make__ (or
> __create__) that is called by this syntax.  For type objects, __make__
> is a synonym for __new__.  For dict, it can call __new__ with the third
> argument.

I've updated the PEP along these lines, and I've now submitted it for a 
PEP number.  The current drafts are now at:

http://ucsu.colorado.edu/~bethard/py/pep_make_statement.txt
http://ucsu.colorado.edu/~bethard/py/pep_make_statement.html

I'll post them again once I get a PEP number.

STeVe