[Python-Dev] Density of pie-decorator syntax

Dmitry Vasiliev lists at hlabs.spb.ru
Mon Aug 9 12:20:32 CEST 2004


Josh Hoyt wrote:
> One problem I have with the pie-decorator syntax is that it is very 
> typographically dense. The @ character runs in with the following 
> function name. If there are multiple lines of decorators, the problem is 
> worsened. For clarity, the decorators will have no whitespace lines 
> between them, creating a dense block.
> 
> After experimenting, I have found that readability is increased if there 
> is one space required after the @. Don't take my word for it:
> 
> Current Python 2.4a2 syntax:
> 
> @framework_stuff(lots, of, args)
> class Quux(object):
> 
>    @check_args(int, str)
>    @counted
>    @staticmethod
>    def frobnicate(foo, bar):
>        pass
> 
> Proposed change requiring a space:
> 
> @ framework_stuff(lots of args)
> class Quux(object):
> 
>    @ check_args(int, str)
>    @ counted
>    @ staticmethod
>    def frobnicate(foo, bar):
>        pass

"@ decorator" working just fine with Python 2.4.a2. Try this... :-)

-- 
Dmitry Vasiliev (dima at hlabs.spb.ru)
     http://hlabs.spb.ru


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