[Python-Dev] PEP 318: Let's propose some useful built-in
decorators
Guido van Rossum
guido at python.org
Fri Apr 2 15:08:03 EST 2004
> > class func_attrs(objects):
> >
> > def __init__(self, **kwds):
> > self.attrs = kwds
> >
> > def __call__(self, funcobj):
> > funcobj.__dict__.update(self.attrs)
> >
> Did you leave out the 'return funcobj' from the end of __call__? I
> thought that decorators were supposed to be inherently cooperative,
> and should return their modified funcobj, or a new func-like-obj.
Sorry, you're right. (I've been thinking of interpreting a None
result as "keep the input object" but the code generation would be too
messy.
--Guido van Rossum (home page: http://www.python.org/~guido/)
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