Grzegorz Smith schrieb:
> Hi all. I have got situation that I need make parameter injection into
> function and I want that parametet be a local variable of that function.
> eg. something like
> def decorator():
> <code>
> @decorator
> def myfun():
> a = 20
>
> and in myfun i can use b wariable like that:
> b = "ok it's working"
> I try to use sample decorators from:
> http://www.python.org/moin/PythonDecoratorLibrary
> but unsuccesfully. Does anyone know hot to achieve this? Or is it possible?
I don't fully understand what you're after here - but are you aware of the
__call__-method on objects? You might very
well do it like this:
class Foo:
def __init__(self, parameter):
self.parameter = parameter
def __call__(self, *args):
return "%r %r" % (self.parameter, args)
Then you can do
f = Foo()
f(1,2,3,4)
And if you need to alter f's working by means of parameter, just assign it a
new value.
Diez
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