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Fri Jun 8 02:40:00 CEST 2012 · https://mail.python.org/pipermail/python-dev/2012-June/120051.html

On Thu, 07 Jun 2012 17:39:54 -0400, Terry Reedy <tjreedy at udel.edu> wrote:
> On 6/7/2012 4:54 PM, Yury Selivanov wrote:
> 
> > I think we'll add a 'format' method to the Signature, that will work
> > like 'inspect.formatargspec'.  'Signature.__str__' will use it with
> > default parameters/formatters.
> 
> Great. If I don't like the default, I could customize.
> 
> > I'm not sure how __repr__ should look like.  Maybe default repr
> > (object.__repr__) is good enough.
> 
> __repr__ = __str__ is common.

I think you meant __str__ = __repr__.  __repr__ is the more fundamental
of the two, and if there is no __str__, it defaults to __repr__.

IMO the __repr__ should make it clear that it is a signature object
somehow.

--David

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[Python-Dev] PEP 362 Second Revision