[Python-Dev] transitioning from % to {} formatting

Barry Warsaw barry at python.org
Thu Oct 1 14:21:56 CEST 2009

On Oct 1, 2009, at 2:51 AM, Vinay Sajip wrote:

> You're already covered if you use the PercentMessage/BraceMessage  
> approach I
> mentioned elsewhere in this thread. Suppose:
> #Just typing this in, it's not tested or anything
> class DollarMessage:
>    def __init__(self, fmt, *args, **kwargs):
>        self.fmt = fmt
>        self.args = args
>        self.kwargs = kwargs
>    def __str__(self):
>        return string.Template(self.fmt).substitute(*args, **kwargs)

Right, thanks.  This is a very cool feature that I didn't know logging  


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