apps.py

import importlib

from django.apps import AppConfig
from django.conf import settings
from pydantic import BaseModel


class PostsConfigExtra(BaseModel):
    title_maxlength: int = 20
    text_preview_length: int = 10
    post_images_upload_to: str = 'images/posts'
    post_videos_upload_to: str = 'videos/posts'


class PostsConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'posts'

    def __init__(self, app_name, app_module):
        super().__init__(app_name, app_module)

        config = getattr(settings, 'CONNECT_CLUB_POSTS_CONFIG', {})
        self.extra = PostsConfigExtra.model_validate(config)

    def ready(self):
        # Implicitly connect signal handlers decorated with @receiver.
        importlib.import_module("posts.signals")