a fairly ugly/kludgy way to get 'aliases' in Python
Jonathan P.
jbperez808 at yahoo.com
Fri Jan 17 22:34:03 EST 2003
Cliff Wells <LogiplexSoftware at earthlink.net> wrote in message news:<mailman.1042827297.2914.python-list at python.org>...
> I don't think performance will be affected either way (it's all
> dictionary lookups). Still, I wonder why you don't just use:
>
> class A:
> def __init__(self):
> self.long_descriptive_name = 0
> self.long_descriptive_name2 = 10
>
> def x(self):
> alias1 = self.long_descriptive_name
> alias2 = self.long_descriptive_name2
> self.alias = alias2 * alias1
>
> which would seem to be the equivalent, more readable form.
Ah but this won't work. You need to do the D_[alias1]=newvalue
trick to get the value assigned to self.long_descriptive_name.
The behaviour is different and that's why I wonder if there
is a speed penalty involved.
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