1 from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME

     2 from django.contrib.admin.options import ModelAdmin, HORIZONTAL, VERTICAL

     3 from django.contrib.admin.options import StackedInline, TabularInline

     4 from django.contrib.admin.sites import AdminSite, site

     5 

     6 

     7 def autodiscover():

     8     """

     9     Auto-discover INSTALLED_APPS admin.py modules and fail silently when

    10     not present. This forces an import on them to register any admin bits they

    11     may want.

    12     """

    13 

    14     import copy

    15     from django.conf import settings

    16     from django.utils.importlib import import_module

    17     from django.utils.module_loading import module_has_submodule

    18 

    19     for app in settings.INSTALLED_APPS:

    20         mod = import_module(app)

    21         # Attempt to import the app's admin module.

    22         try:

    23             before_import_registry = copy.copy(site._registry)

    24             import_module('%s.admin' % app)

    25         except:

    26             # Reset the model registry to the state before the last import as

    27             # this import will have to reoccur on the next request and this

    28             # could raise NotRegistered and AlreadyRegistered exceptions

    29             # (see #8245).

    30             site._registry = before_import_registry

    31 

    32             # Decide whether to bubble up this error. If the app just

    33             # doesn't have an admin module, we can ignore the error

    34             # attempting to import it, otherwise we want it to bubble up.

    35             if module_has_submodule(mod, 'admin'):

    36                 raise