Assign route dynamically Node/Express
I need dynamically assign a new route but it for some reason refuses to work.
When I send a request in the Postman it just keeps waiting for a response
metaprogramming
Python Enum and Pydantic : accept enum member’s composition
The bounty expires in 3 days. Answers to this question are eligible for a +250 reputation bounty. Ethan Furman wants to reward an existing answer. I have an enum : from enum import Enum class MyEnum(Enum): val1 = “val1” val2 = “val2” val3 = “val3” I would like to validate a pydantic field based on … Read more
Overriding special methods on an instance
I hope someone can answer this that has a good deep understanding of Python 🙂
Python dictionary from an object’s fields
Do you know if there is a built-in function to build a dictionary from an arbitrary object? I’d like to do something like this:
What is the __dict__.__dict__ attribute of a Python class?
>>> class A(object): pass … >>> A.__dict__ <dictproxy object at 0x173ef30> >>> A.__dict__.__dict__ Traceback (most recent call last): File "<string>", line 1, in <fragment> AttributeError: 'dictproxy' object has no attribute '__dict__' >>> A.__dict__.copy() {'__dict__': <attribute '__dict__' of 'A' objects> … } >>> A.__dict__['__dict__'] <attribute '__dict__' of 'A' objects> # What is this object? If I … Read more
Get locals from calling namespace in Python
I want to retrieve the local variables from Python from a called function. Is there any way to do this? I realize this isn’t right for most programming, but I am basically building a debugger. For example:
Dynamic/runtime method creation (code generation) in Python
I need to generate code for a method at runtime. It’s important to be able to run arbitrary code and have a docstring.
Valid characters in a python class name
I’m dynamically creating python classes, and I know not all characters are valid in this context.
Dynamic Class Creation in SQLAlchemy
We have a need to create SQLAlchemy classes to access multiple external data sources that will increase in number over time. We use the declarative base for our core ORM models and I know we can manually specify new ORM classes using the autoload=True to auto generate the mapping.