[Python-ideas] More general "for" loop handling

[Yury Selivanov]

On 2015-04-30 5:48 AM, Todd wrote:
> For example, you could create a multiprocessing pool, and let the pool
> handle the items in a "for" loop, like so:
>
>      from multiprocessing import Pool
>
>      mypool = Pool(10, maxtasksperchild=2)
>
>      mypool for item in items:


This looks "OK" for a simple snippet, but how will you define
this new syntax in Python grammar?

Unless you restrict such syntax to use only NAME tokens before
'for', you can easily expect users to write code like this:

    some_namespace.module.function(arg=123) for item in items():
        ...

Yury