text: from xadmin.sites import AdminSite, site
  
  VERSION = [0,5,0]
  
  
  class Settings(object):
      pass
  
  
  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.
      """
  
      from django.conf import settings
      from django.utils.importlib import import_module
      from django.utils.module_loading import module_has_submodule
  
      setattr(settings, 'CRISPY_TEMPLATE_PACK', 'bootstrap3')
      setattr(settings, 'CRISPY_CLASS_CONVERTERS', {
          "textinput": "textinput textInput form-control",
          "fileinput": "fileinput fileUpload form-control",
          "passwordinput": "textinput textInput form-control",
      })
  
      from xadmin.views import register_builtin_views
      register_builtin_views(site)
  
      # load xadmin settings from XADMIN_CONF module
      try:
          xadmin_conf = getattr(settings, 'XADMIN_CONF', 'xadmin_conf.py')
          conf_mod = import_module(xadmin_conf)
      except Exception:
          conf_mod = None
  
      if conf_mod:
          for key in dir(conf_mod):
              setting = getattr(conf_mod, key)
              try:
                  if issubclass(setting, Settings):
                      site.register_settings(setting.__name__, setting)
              except Exception:
                  pass
  
      from xadmin.plugins import register_builtin_plugins
      register_builtin_plugins(site)
  
      for app in settings.INSTALLED_APPS:
          mod = import_module(app)
          # Attempt to import the app's admin module.
          try:
              before_import_registry = site.copy_registry()
              import_module('%s.adminx' % 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.restore_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, 'adminx'):
                  raise
  