adm-ntuh-net/ntuh/submodule/django-categories/categories/apps.py
2024-12-12 10:19:16 +08:00

37 lines
1.2 KiB
Python
Executable file

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 .settings import M2M_REGISTRY, FK_REGISTRY
from .registration import 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)