Hi,
I'm going to make everyone's life miserable again. ;)
In r1279 I added support for "alternative" decorator syntax as used by
PEAK to lessen the anguish of people still on Python 2.3. This
unfortunately requires a bit different application of decorator() function.
Before:
def foo(a):
def entagle(func)
def caller(func, *args, **kw):
func(*args, **kw)
return decorator(caller)(func)
return entagle
after:
def foo(a):
def entagle(func)
def caller(func, *args, **kw):
func(*args, **kw)
return caller
return decorator(entagle)
As an added bonus it is also marginally more concise.
While I was at it, I made another change. Until now decorator() added
*args and **kw to the resulting function signature unless optional
argument "argsink" was false.
Well, "argsink" is no more. Instead we have a much more powerful (still
optional) argument "signature" similar in composition to what
inspect.getargspec() returns, allowing us to define an arbitrary
signatures (mind, the function being decorated still needs to be able to
digest this new parameter specification).
To get the beloved care-free will-eat-anything signatures back a helper
named weak_signature_decorator() is available.
I invite all interested to take a look at decorator.py and
test_decorator.py. The use of signature in anger can be observed in
util.bind_args().
Knowing myself I suggest we keep it in trunk for a while (maybe until
after the sprint and than send it into the wild with nice and shiny
documentation by it's side).
Cheers,
Simon
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