Ulli Horlacher wrote:
> Steven D'Aprano <st...@pearwood.info> wrote:
>
>> A better and more general test is:
>>
>> if hasattr(a, 'x'): print('attribute of a')
>
> Fine!
>
> I have now:
>
> def a(x=None):
> if not hasattr(a,'x'): a.x = 0
> a.x += 1
> print('%d:' % a.x,x)
>
> This simply counts the calls of a()
>
> But, when I rename the function I have to rename the attribute also.
> Is it possible to refer the attribute automatically to its function?
> Something like:
>
> def a(x=None):
> if not hasattr(_function_,'x'): _function_.x = 0
> _function_.x += 1
> print('%d:' % _function_.x,x)
Not directly, but there are workarounds:
def with_function(f):
return functools.partial(f, f)
@with_function
def foo(self, x=None):
if not hasattr(self, "x"):
self.x = 0
self.x += 1
print("{} called {} times".format(self.__name__, self.x))
--
https://mail.python.org/mailman/listinfo/python-list
