Run time default arguments
Arnaud Delobelle
arnodel at gmail.com
Thu Aug 25 10:35:05 EDT 2011
On Aug 25, 3:30 pm, t... at thsu.org wrote:
> What is the most common way to handle default function arguments that
> are set at run time, rather than at compile time? The snippet below is
> the current technique that I've been using, but it seems inelegant.
>
> defaults = { 'debug' : false }
> def doSomething (debug = None):
> debug = debug if debug != None else defaults['debug']
> # blah blah blah
You're close to the usual idiom:
def doSomething(debug=None):
if debug is None:
debug = defaults['debug']
...
Note the use of 'is' rather than '=='
HTH
--
Arnaud
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