Samuele> From: "holger krekel" <pyth@devel.trillke.net>
>>
>> if obj.method() if hasattr(obj, 'method') else False:
>>
Samuele> don't worry the pro-camp seems converging toward:
Samuele> if if hasattr(obj,'method'): obj.method() else: False:
Samuele> or
Samuele> if (if hasattr(obj,'method'): obj.method() else: False):
I count myself in the pro-camp, and I would prefer
if hasattr(obj,'method') and obj.method():
to any of the alternatives, for the obvious reason. In fact, as a
pragmatic note, I wouldn't mind it if the compiler gave a warning
about
if <cond>: True else: <expr>
or
if <cond>: <expr> else: False
because they're equivalent to
bool(cond) or <expr>
and
bool(cond) and <expr>
respectively.
--
Andrew Koenig, ark@research.att.com, http://www.research.att.com/info/ark
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