Python

11 February 2026 21:59

Because class is reserved keyword in the language. You cannot use it as the name for a variable. Or perhaps you can, but in that case you also shouldn't.

Python

11 February 2026 21:57

But sometimes you want a method that creates an instance, for example. Such a method will not be called from an instance, but from the class. And it needs a reference to the class. That's what a classmethod is for.

Python

11 February 2026 21:08

Can you send me the link of the Api

Python

11 February 2026 20:34

ok thx

Thank you both, actually. 👍🏻

Python

11 February 2026 20:32

after that, when you have all things clear, you can use/mix them together and you'll understand what @classmethod does

Python

11 February 2026 20:31

🤔 looks like you need to understand OOP concepts first, that's your first task

Python

11 February 2026 20:29

Honestly, idk. I just had my doubts because I don't know decorators very well.

Python

11 February 2026 20:26

why did you think that?

Python

11 February 2026 20:21

the question here is "WHY are you using @classmethod ?"

Python

11 February 2026 20:19

anyone could link me a guide to use decorators? i don't understand when i should use them
this is my case:

class Foo:

   elements = []
  
  @classmethod
  def _adder(self, new_elements):
    self.elements.extend(new_elements)
  
  @classmethod
  def _remover(self, elements):
    for e in elements: elements.remove(e) # Actually i don't remember exactly the method
  
  def update_elements(self, elements, action):
    match action:
       case 'add': self._adder(elements)
       case 'rmv': self._remover(elements)

Python

11 February 2026 16:24

If you are having issues installing it, post your question in the @pythonofftopic group; there might be people who can help you.

Python

11 February 2026 16:16

Win7 only supports up to version 3.8.10 of Python.

Python

11 February 2026 16:14

Please python 3.8 versiya

Python

11 February 2026 16:11

Setup issues go into @pythonofftopic. And you really should not use a Python version that does not receive any updates any more (unsupported).

Python

11 February 2026 16:08

python.org/downloads

Python

11 February 2026 21:59

That's why

class Foo:
  @classmethod
  def foo(self):
    ...

Python

11 February 2026 21:24

cj is right. You need to understand OOP first. You know the difference between a class and an instance?

Python

11 February 2026 20:35

oh, i had no idea, yeah, i really need to study better what decorators does 😅

Python

11 February 2026 20:32

well classmethod is a built-in, so might be a bit different with decorators in general. decorator itself basically "wrapper for functions" and its for any functions and not only class methods.

Python

11 February 2026 20:31

and if you want to learn about decorators you can do it separately, no need to mess with OOP on them

Python

11 February 2026 20:30

sell the liver to buy an iPhone now

Python

11 February 2026 20:28

you dont need to use classmethod for your example above. classmethod used when you need a function that related to a class but not related with the class data. eg:

class Person:
  liver_count = 2
  @classmethod
  def has_liver(cls):
    return True
  def remove_liver(self):
    if self.liver_count == 1: raise PersonNeedALiverError()
    self.liver_count -= 1

Person.has_liver() # to use class method

p = Person()
p.remove_liver()

Python

11 February 2026 20:26

Because, as you can see from my code, the editor methods receive elements from an update method that calls them based on what needs to be done, so I thought they should be preceded by the @classmethod decorator.

Python

11 February 2026 20:20

@Inchidi told me i don't have to use @classmethod but i didn't understood the motivation and so when i should use it and the decorators in general

Python

11 February 2026 18:41

❎ ‎clouded pardoned ‎ㅤ [6468398014] for
1/3: ‎[Python] [Automated] Rule 1️⃣: Speak English.

Python

11 February 2026 16:16

Nothing we can do about it. And it's the other around. Python does not support certain Windows versions.

Python

11 February 2026 16:15

/channel/Python/2241299

Python

11 February 2026 16:14

Read this please:
http://www.catb.org/~esr/faqs/smart-questions.html

Python

11 February 2026 16:11

That's a bit too little to work with.

Python

11 February 2026 16:08

Please pythonn versiya 3.8 windows7 32 bit Please send