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Tag: super
How to troubleshoot `super()` calls finding incorrect type and obj?
I have a decorator in my library which takes a user’s class and creates a new version of it, with a new metaclass, it is supposed to completely replace the original class. Everything works; except for super() calls: Using this code like so, yields an error: Some terminology: The source code class A as p…
Extending dictionary with cascading methods
I am extending the dict class in python: I would like to be able to do: the problem I have here is that jmespath can return a list, so I cannot do: Next idea would be creating a prettyprint class that superDict would inherit from and could also be used in the return of search: But I can’t figure out
IntegrityError NOT NULL constraint failed: – in validating form missing user id (foreing key of anothermodel)
Previous title: Unable to import ‘misaka’ – Django I am following a tutorial about how to build a social network. I run into this error: IntegrityError at /posts/new/ NOT NULL constraint failed: posts_post.user_id Complete traceback (please note the lines in bold): The lines in bold are poin…
Init super with existing instance?
Suppose I have: How do I correctly initialize the super class with the output of the super class method rather than init? My OOP background is in C++ and I am continually getting into these scenarios due to the ability to overload constructors in C++, so a workaround for this would be awesome. Answer @shx2…
Calling super().__init__(**kwargs), and multiple inheritance?
I’m trying to learn and understand how to use super in Python, Ive been following the book ‘Python journey from novice to expert’ and although I feel that I understand the concept Im having problems executing super in my own code. For example, this method works for me: returns the following:…