On Mar 26, 2014 5:48 AM, "Ben Collier" <bmcoll...@gmail.com> wrote: > > Sorry, subject was wrong. Please see below: > > On Wednesday, 26 March 2014 11:43:49 UTC, Ben Collier wrote: > > Hi all, > > I know that I can dynamically reference a variable with locals()["i"], for instance, but I'd like to know how to do this with a variable in an object. > > If I have an object called "device", with variables called attr1, attr2 .. attr50, how could I dynamically reference these? > > It's fairly academic, but I'd like to avoid code duplication.
You want to access object "attributes", not "variables". You can do this using the functions getattr and setattr like so: >>> class Foo(object): pass ... >>> obj = Foo() >>> setattr(obj, "x", 42) >>> print(obj.x) 42 >>> print(getattr(obj, "x")) 42
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