On Tue, Sep 27, 2016 at 11:54:40AM +0000, Neil Girdhar <[email protected]>
wrote:
> I don't understand why that would work and this clearly doesn't?
>
> Mutual2 = "Mutual2" # Pre-declare Mutual2
>
> class Mutual1:
> def spam(self, x=Mutual2):
^^^^^^^ - calculated at compile time,
not at run time
> print(type(x))
>
> class Mutual2:
> def spam(self):
> pass
>
> Mutual1().spam()
>
> prints class "str" rather than "type".
Try this:
class Mutual1:
def spam(self, x=None):
if x is None:
x = Mutual2
print(type(x))
class Mutual2:
def spam(self):
pass
Mutual1().spam()
Oleg.
--
Oleg Broytman http://phdru.name/ [email protected]
Programmers don't die, they just GOSUB without RETURN.
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