django-categories/categories/apps.py
2021-12-05 14:34:46 +00:00

40 lines
1.2 KiB
Python

from django.apps import AppConfig
class CategoriesConfig(AppConfig):
name = "categories"
verbose_name = "Categories"
def __init__(self, *args, **kwargs):
super(CategoriesConfig, self).__init__(*args, **kwargs)
from django.db.models.signals import class_prepared
class_prepared.connect(handle_class_prepared)
def ready(self):
from django.db.models.signals import post_migrate
from .migration import migrate_app
post_migrate.connect(migrate_app)
def handle_class_prepared(sender, **kwargs):
"""
See if this class needs registering of fields
"""
from .registration import registry
from .settings import FK_REGISTRY, M2M_REGISTRY
sender_app = sender._meta.app_label
sender_name = sender._meta.model_name
for key, val in list(FK_REGISTRY.items()):
app_name, model_name = key.split(".")
if app_name == sender_app and sender_name == model_name:
registry.register_model(app_name, sender, "ForeignKey", val)
for key, val in list(M2M_REGISTRY.items()):
app_name, model_name = key.split(".")
if app_name == sender_app and sender_name == model_name:
registry.register_model(app_name, sender, "ManyToManyField", val)