Home Original page

[Python-Dev] Comment on PEP 562 (Module __getattr__ and __dir__)

Serhiy Storchaka storchaka at gmail.com
Mon Nov 20 03:33:03 EST 2017 
20.11.17 03:02, Guido van Rossum пише:
> Serhiy's definition sounds recursive (defining __getattr__ to define the 
> behavior of __getattr__) but Mark's suggestion makes his intention 
> unclear since the error message is still the same.

It is recursive only when the '__dict__' attribute is not defined. I 
assumed that it is defined for simplicity. And if isn't defined 
hasattr(self, '__dict__') will cause a recursion too.

In any case the real C code handles this more carefully and effectively.
More information about the Python-Dev mailing list