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To: python-list@python.org
From: Christian Heimes <lists@cheimes.de>
Subject: Re: Question about name scope
Date: Wed, 01 Feb 2012 18:50:53 +0100
References: <20120201181117.5d35dddc@bigfoot.com> <4F297824.1000202@davea.name>
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:19730

Am 01.02.2012 18:36, schrieb Dave Angel:
> def f(a):
>     from math import sin, cos
>     return sin(a) + cos(a)
> 
> print f(45)
> 
> Does what you needed, and neatly.  The only name added to the global
> namspace is f, of type function.

I recommend against this approach. It's slightly slower and the global
import lock will cause trouble if you start using threads.

Christian