What are metaclasses in Python?
What are metaclasses? What are they used for?
python-datamodel
Is there a built-in function to print all the current properties and values of an object?
So what I’m looking for here is something like PHP’s print_r function.
How to get method parameter names?
Given the Python function:
Getting the class name of an instance?
How do I find out a name of class that created an instance of an object in Python if the function I am doing this from is the base class of which the class of the instance has been derived?
How is the ‘is’ keyword implemented in Python?
… the is keyword that can be used for equality in strings.
Implementing slicing in __getitem__
I am trying to implement slice functionality for a class I am making that creates a vector representation.
Get fully qualified class name of an object in Python
For logging purposes I want to retrieve the fully qualified class name of a Python object. (With fully qualified I mean the class name including the package and module name.)
Is everything greater than None?
Is there a Python built-in datatype, besides None, for which:
Schrödinger’s variable: the __class__ cell magically appears if you’re checking for its presence?
There’s a surprise here:
Prevent creating new attributes outside __init__
I want to be able to create a class (in Python) that once initialized with __init__, does not accept new attributes, but accepts modifications of existing attributes. There’s several hack-ish ways I can see to do this, for example having a __setattr__ method such as