Regarding decorator attributes vs tranformations, I wrote:
>> def bar():
>> pass
>> bar.x = 27
>> is not so useful.
>> There is no intermediate "self" scope between function locals
>> and global, so bar itself can't see x.
Robert Brewer:
> True, but you can also write:
>>> def bar():
... bar.x = 4
...
>>> bar()
>>> bar.x
4
> ...so bar itself can "see x",
The x it sees is tied to the name rather than the object.
>>> def f():
... print f.x
>>> f.x = 5
>>> g=f
>>> f()
5
>>> del f
>>> g()
Traceback (most recent call last):
File "<pyshell#174>", line 1, in -toplevel-
g()
File "<pyshell#169>", line 2, in f
print f.x
NameError: global name 'f' is not defined
The self namesapce means that you can tie an attribute
directly to a class object (rather than to its name).
>>> class C:
def printx(self):
print self.x
>>> D=C
>>> C.x = 6
>>> del C
>>> d=D()
>>> d.printx()
6
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