How to instatiate a class of which the name is only known at runtime?

[Erik Max Francis]

Nick Welch wrote:

> exec("import %s" % modulename) ?

Much better:

	module = __import__(moduleName)

> class = getattr(modulename, classname)
> or
> class = globals()[classname]
> 
> and then:
> 
> an_instance = class()

You'll need to use a name other than class, since that's a keyword. 
Typically people use class_, klass, or cls.

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