My first tought would be the mydecorator = MyDecorator() will hold the
object instance reference and the ref count won't go to zero..
So..
Decorator grammar is this:
decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
The grammar prevents this:
class MyDecorator:
... def decorator_method():
... pass
...
@MyDecorator().decorator_method()
File "<stdin>", line 1
@MyDecorator().decorator_method()
^
SyntaxError: invalid syntax
But is possible to achieve the desired effect by assigning the class
instance to variable:
mydecorator = MyDecorator()
... @mydecorator.decorator_method
... def f():
My initial thoughts were that the syntax provided a neat way to
provide a configurable decorator class instance with a number of
alternative decorator-function generating methods, rather than just
the usual __call__.
S
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