from django.db import transaction from django.conf import settings from django.contrib import admin from django.contrib.auth.forms import UserCreationForm, UserChangeForm, AdminPasswordChangeForm from django.contrib.auth.models import User, Group from django.contrib import messages from django.core.exceptions import PermissionDenied from django.http import HttpResponseRedirect, Http404 from django.shortcuts import render_to_response, get_object_or_404 from django.template import RequestContext from django.utils.html import escape from django.utils.decorators import method_decorator from django.utils.translation import ugettext, ugettext_lazy as _ from django.views.decorators.csrf import csrf_protect csrf_protect_m = method_decorator(csrf_protect) class GroupAdmin(admin.ModelAdmin): search_fields = ('name',) ordering = ('name',) filter_horizontal = ('permissions',) class UserAdmin(admin.ModelAdmin): add_form_template = 'admin/auth/user/add_form.html' change_user_password_template = None fieldsets = ( (None, {'fields': ('username', 'password')}), (_('Personal info'), {'fields': ('first_name', 'last_name', 'email')}), (_('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser', 'user_permissions')}), (_('Important dates'), {'fields': ('last_login', 'date_joined')}), (_('Groups'), {'fields': ('groups',)}), ) add_fieldsets = ( (None, { 'classes': ('wide',), 'fields': ('username', 'password1', 'password2')} ), ) form = UserChangeForm add_form = UserCreationForm change_password_form = AdminPasswordChangeForm list_display = ('username', 'email', 'first_name', 'last_name', 'is_staff') list_filter = ('is_staff', 'is_superuser', 'is_active') search_fields = ('username', 'first_name', 'last_name', 'email') ordering = ('username',) filter_horizontal = ('user_permissions',) def __call__(self, request, url): # this should not be here, but must be due to the way __call__ routes # in ModelAdmin. if url is None: return self.changelist_view(request) if url.endswith('password'): return self.user_change_password(request, url.split('/')[0]) return super(UserAdmin, self).__call__(request, url) def get_fieldsets(self, request, obj=None): if not obj: return self.add_fieldsets return super(UserAdmin, self).get_fieldsets(request, obj) def get_form(self, request, obj=None, **kwargs): """ Use special form during user creation """ defaults = {} if obj is None: defaults.update({ 'form': self.add_form, 'fields': admin.util.flatten_fieldsets(self.add_fieldsets), }) defaults.update(kwargs) return super(UserAdmin, self).get_form(request, obj, **defaults) def get_urls(self): from django.conf.urls.defaults import patterns return patterns('', (r'^(\d+)/password/$', self.admin_site.admin_view(self.user_change_password)) ) + super(UserAdmin, self).get_urls() @csrf_protect_m @transaction.commit_on_success def add_view(self, request, form_url='', extra_context=None): # It's an error for a user to have add permission but NOT change # permission for users. If we allowed such users to add users, they # could create superusers, which would mean they would essentially have # the permission to change users. To avoid the problem entirely, we # disallow users from adding users if they don't have change # permission. if not self.has_change_permission(request): if self.has_add_permission(request) and settings.DEBUG: # Raise Http404 in debug mode so that the user gets a helpful # error message. raise Http404('Your user does not have the "Change user" permission. In order to add users, Django requires that your user account have both the "Add user" and "Change user" permissions set.') raise PermissionDenied if extra_context is None: extra_context = {} defaults = { 'auto_populated_fields': (), 'username_help_text': self.model._meta.get_field('username').help_text, } extra_context.update(defaults) return super(UserAdmin, self).add_view(request, form_url, extra_context) def user_change_password(self, request, id): if not self.has_change_permission(request): raise PermissionDenied user = get_object_or_404(self.model, pk=id) if request.method == 'POST': form = self.change_password_form(user, request.POST) if form.is_valid(): new_user = form.save() msg = ugettext('Password changed successfully.') messages.success(request, msg) return HttpResponseRedirect('..') else: form = self.change_password_form(user) fieldsets = [(None, {'fields': form.base_fields.keys()})] adminForm = admin.helpers.AdminForm(form, fieldsets, {}) return render_to_response(self.change_user_password_template or 'admin/auth/user/change_password.html', { 'title': _('Change password: %s') % escape(user.username), 'adminForm': adminForm, 'form': form, 'is_popup': '_popup' in request.REQUEST, 'add': True, 'change': False, 'has_delete_permission': False, 'has_change_permission': True, 'has_absolute_url': False, 'opts': self.model._meta, 'original': user, 'save_as': False, 'show_save': True, 'root_path': self.admin_site.root_path, }, context_instance=RequestContext(request)) def response_add(self, request, obj, post_url_continue='../%s/'): """ Determines the HttpResponse for the add_view stage. It mostly defers to its superclass implementation but is customized because the User model has a slightly different workflow. """ # We should allow further modification of the user just added i.e. the # 'Save' button should behave like the 'Save and continue editing' # button except in two scenarios: # * The user has pressed the 'Save and add another' button # * We are adding a user in a popup if '_addanother' not in request.POST and '_popup' not in request.POST: request.POST['_continue'] = 1 return super(UserAdmin, self).response_add(request, obj, post_url_continue) admin.site.register(Group, GroupAdmin) admin.site.register(User, UserAdmin)