On Tue, 13 Feb 2007 17:20:02 +0100, "\"Martin v. Löwis\"" <[EMAIL PROTECTED]> wrote: >Anthony Baxter schrieb: >>> and the "wrapper class" idea of Nick Coghlan: >>> attrview(obj)[foo] >> >> This also appeals - partly because it's not magic syntax <wink> > >I also like this. I would like to spell it attrs, and >I think its specification is > >class attrs: > def __init__(self, obj): > self.obj = obj > def __getitem__(self, name): > return getattr(self.obj, name) > def __setitem__(self, name, value): > return setattr(self.obj, name, value) > def __delitem__(self, name): > return delattr(self, name) > def __contains__(self, name): > return hasattr(self, name) > >It's so easy people can include in their code for backwards >compatibility; in Python 2.6, it could be a highly-efficient >builtin (you still pay for the lookup of the name 'attrs', >of course).
This looks nice. The simplicity of the implementation is great too. Jean-Paul _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
