[Python-checkins] CVS: python/dist/src/Misc NEWS,1.249,1.250

Guido van Rossum gvanrossum@users.sourceforge.net
Sat, 22 Sep 2001 10:10:46 -0700

Update of /cvsroot/python/python/dist/src/Misc
In directory usw-pr-cvs1:/tmp/cvs-serv13012

Modified Files:
Log Message:
Add note about __getattribute__.

Index: NEWS
RCS file: /cvsroot/python/python/dist/src/Misc/NEWS,v
retrieving revision 1.249
retrieving revision 1.250
diff -C2 -d -r1.249 -r1.250
*** NEWS	2001/09/22 04:44:21	1.249
--- NEWS	2001/09/22 17:10:44	1.250
*** 20,23 ****
--- 20,32 ----
    file() is now the preferred way to open a file.
+ - In 2.2a3, *for new-style classes only*, __getattr__ was called for
+   every attribute access.  This was confusing because it differed
+   significantly from the behavior of classic classes, where it was
+   only called for missing attributes.  Now, __getattr__ is called only
+   if regular attribute access raises AttributeError; to catch *all*
+   attribute access, *for new-style classes only*, you can use
+   __getattribute__.  If both are defined, __getattribute__ is called
+   first, and if it raises AttributeError, __getattr__ is called.
  - In 2.2a3, __new__ would only see sequential arguments passed to the
    type in a constructor call; __init__ would see both sequential and