pygal/signals.py

42 lines
1.2 KiB
Python

from django.db.models.signals import post_save
from django.db.models.signals import post_delete
from django.dispatch import receiver
import logging
from .models import Item, Tag
from .search import load_index, delete_item, update_item
import shutil
from .views.xnail import base_item
# Get a logger instance
try:
from config import APP_NAME as ROOT_LOGGER_NAME
except ImportError:
ROOT_LOGGER_NAME = 'root'
logger = logging.getLogger(ROOT_LOGGER_NAME).getChild(__name__)
__pre_remove__ = None
__pre_add__ = None
@receiver(post_delete, sender=Item)
def item_delete(instance, **kwargs):
# delete cached xnails
clogger.info('Deleting Xnails stored in "%s".', base_item.__cache_image_folder__(None, instance.rel_path))
shutil.rmtree(base_item.__cache_image_folder__(None, instance.rel_path), True)
# delete index entry
ix = load_index()
delete_item(ix, instance)
@receiver(post_save, sender=Item)
def item_save(instance, **kwargs):
ix = load_index()
update_item(ix, instance)
@receiver(post_save, sender=Tag)
@receiver(post_delete, sender=Tag)
def tag_change(instance, **kwargs):
ix = load_index()
update_item(ix, instance.item)