old_contents: # coding: utf-8
  
  from __future__ import unicode_literals
  from django.contrib.admin import site
  from django.contrib.auth.admin import UserAdmin
  from django.contrib.auth.forms import UserChangeForm
  from cache_tools.utils import cached_ugettext_lazy as _
  from .models import HierarchicUser
  
  
  class HierarchicUserChangeForm(UserChangeForm):
      class Meta(object):
          model = HierarchicUser
  
  
  class HierarchicUserAdmin(UserAdmin):
      form = HierarchicUserChangeForm
      list_display = ('__str__',) + UserAdmin.list_display + (
          'mentor', 'willing_to_be_mentor', 'is_active')
      list_editable = ('first_name', 'last_name', 'mentor',
                       'willing_to_be_mentor', 'is_active')
      list_filter = ('mentor', 'willing_to_be_mentor') + UserAdmin.list_filter
      fieldsets = UserAdmin.fieldsets[:2] + (
          (_('Mentorat'), {'fields': ('mentor', 'willing_to_be_mentor')}),
      ) + UserAdmin.fieldsets[2:]
      ordering = ('last_name', 'first_name')
  
  
  site.register(HierarchicUser, HierarchicUserAdmin)
  
new_contents: # coding: utf-8
  
  from __future__ import unicode_literals
  from django.contrib.admin import site
  from django.contrib.auth.admin import UserAdmin
  from django.contrib.auth.forms import UserChangeForm
  from reversion import VersionAdmin
  from cache_tools.utils import cached_ugettext_lazy as _
  from .models import HierarchicUser
  
  
  class HierarchicUserChangeForm(UserChangeForm):
      class Meta(object):
          model = HierarchicUser
  
  
  class HierarchicUserAdmin(VersionAdmin, UserAdmin):
      form = HierarchicUserChangeForm
      list_display = ('__str__',) + UserAdmin.list_display + (
          'mentor', 'willing_to_be_mentor', 'is_active')
      list_editable = ('first_name', 'last_name', 'mentor',
                       'willing_to_be_mentor', 'is_active')
      list_filter = ('mentor', 'willing_to_be_mentor') + UserAdmin.list_filter
      fieldsets = UserAdmin.fieldsets[:2] + (
          (_('Mentorat'), {'fields': ('mentor', 'willing_to_be_mentor')}),
      ) + UserAdmin.fieldsets[2:]
      ordering = ('last_name', 'first_name')
  
  
  site.register(HierarchicUser, HierarchicUserAdmin)
  
subject: Ajoute reversion aux utilisateurs.