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# ACTION_CHECKBOX_NAME is unused, but should stay since its import from here
# has been referenced in documentation.
from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME
from django.contrib.admin.options import ModelAdmin, HORIZONTAL, VERTICAL
from django.contrib.admin.options import StackedInline, TabularInline
from django.contrib.admin.sites import AdminSite, site
from django.contrib.admin.filters import (ListFilter, SimpleListFilter,
FieldListFilter, BooleanFieldListFilter, RelatedFieldListFilter,
ChoicesFieldListFilter, DateFieldListFilter, AllValuesFieldListFilter)
def autodiscover():
"""
Auto-discover INSTALLED_APPS admin.py modules and fail silently when
not present. This forces an import on them to register any admin bits they
may want.
"""
import copy
from django.conf import settings
from django.utils.importlib import import_module
from django.utils.module_loading import module_has_submodule
for app in settings.INSTALLED_APPS:
mod = import_module(app)
# Attempt to import the app's admin module.
try:
before_import_registry = copy.copy(site._registry)
import_module('%s.admin' % app)
except:
# Reset the model registry to the state before the last import as
# this import will have to reoccur on the next request and this
# could raise NotRegistered and AlreadyRegistered exceptions
# (see #8245).
site._registry = before_import_registry
# Decide whether to bubble up this error. If the app just
# doesn't have an admin module, we can ignore the error
# attempting to import it, otherwise we want it to bubble up.
if module_has_submodule(mod, 'admin'):
raise
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