dictionary and __getattr__
Skip Montanaro
skip at pobox.com
Thu Sep 6 10:36:46 EDT 2001
> Wouldn't it be nice if this would work:
> d = {'x': 1}
> print d.x
> i.e. every entry in a dictionary is also an attribute of the
> dictionary itself.
Chris> Hey, won't the new 2.2 support for extending built-in classes
Chris> such as dictionaries make this both easy and complete?
Yup:
% ./python
Python 2.2a2+ (#23, Sep 5 2001, 21:48:23)
[GCC 2.96 20000731 (Linux-Mandrake 8.0 2.96-0.48mdk)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> dictionary
<type 'dictionary'>
>>> class AttributeDict(dictionary):
... __getattr__ = dictionary.__getitem__
...
>>> d = AttributeDict()
>>> d['a'] = 1
>>> d.a
1
S
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