How do I replicate "from module import class" with __import__() or django.utils.importlib?

I want to import a class from python module. The module contains multiple classes and which one I need is dete开发者_如何学Pythonrmined by a string at runtime.

Edit: I'm using python 2.6.5, django 1.3.

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With judicious use of getattr().

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MyClass = getattr(mymodule, myclass_name)

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Or import(module,globals(),locals(),['classname',],-1)