Python abstract classes - how to discourage instantiation?

Question

I come from a C# background where the language has some built in \"protect the developer\" features. I understand that Python takes the \"we\'re all adults here\" approach and

Answer 1

Create your 'abstract' class and raise NotImplementedError() in the abstract methods.

It won't stop people using the class and, in true duck-typing fashion, it will let you know if you neglect to implement the abstract method.