[Python] Python class attribute using an argument [closed]

I want to define a class attribute - an attribute that is shared across all class objects (defined outside __init__()) - but I need to use a variable that is created in another module for defining it. How can I do that?

For example, I have two files, the file my_class.py where I define the class in which I want to attach a class attribute, and the main.py file with a configuration object with let's say a path.

main.py file:

d = {'a_path': 'path/to/a/json/file.json'}


my_class.py file:

import json

class MyClass:
# I want to define here a class attribute, but in
# order to define it, I need to use the variable from
# main.py Something like the following:
with open(d['a_path']) as file:
var = json.load(file)

def __init__(self):
pass


I want to create an object of MyClass to main.py file.

Edited based on comments.

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