[Answered ]-Django: access attributes of queryset using index notation not dot notation?

When you use [] notation, internally, Python will try to invoke __getitem__ method on that object. Since the Organism object didn’t define that method, it fails with that error.

Instead, you can use getattr function, like this

print getattr(o, f)

You can even specify a default value to be used if the attribute is not present in the object, like this

print getattr(o, f, "{} not present in {}".format(f, o))