[Python-ideas] Syntax for making stuct / record / namedtuples

[Georg Brandl]

Eero Nevalainen schrieb:
>  From the (creative) laziness department:
> 
> Whenever my module A needs to pass a lot of data to module B, I find 
> myself making a factory function in module B for creating the datastructures
> 
> def my_factory_function(a, b, c):
>      # input checking
>      res.a = a
>      res.b = b
>      res.c = c
>      return res
> 
> I believe this is fairly common.
> 
> Since the fields are already defined in the function signature, I'd 
> prefer to not repeat myself and write something like this:
> 
> def my_factory_function(a, b, c):
>      args = locals()
>      # input checking
>      return namedtuple('MyTypeName', args)
> 
> 
> This would perceivably be possible, if locals() returned an OrderedDict 
> and an appropriate namedtuple factory function was added.

Sorry, I don't understand *at all* what you are proposing here.

Georg

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