Fixes #765. Avoids the django AbstracUser username validator

Also changed added a white-space in the default username again

openslides/participant/api.py

@@ -23,7 +23,7 @@ from openslides.participant.models import User, Group
 
 def gen_password():
     """
-    generates a random passwort.
+    Generates a random passwort.
     """
     chars = "abcdefghijkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ23456789"
     size = 8
@@ -33,21 +33,28 @@ def gen_password():
 
 def gen_username(first_name, last_name):
     """
-    generates the username for new users.
+    Generates a username from a first- and lastname.
     """
-    testname = "%s%s" % (first_name.strip(), last_name.strip())
-    try:
-        User.objects.get(username=testname)
-    except User.DoesNotExist:
-        return testname
-    i = 0
+    first_name = first_name.strip()
+    last_name = last_name.strip()
+
+    if first_name and last_name:
+        base_name = " ".join((first_name, last_name))
+    else:
+        base_name = first_name or last_name
+        if not base_name:
+            raise ValueError('Either \'first_name\' or \'last_name\' can not be '
+                             'empty')
+
+    if not User.objects.filter(username=base_name).exists():
+        return base_name
+
+    counter = 0
     while True:
-        i += 1
-        testname = "%s%s%s" % (first_name, last_name, i)
-        try:
-            User.objects.get(username=testname)
-        except User.DoesNotExist:
-            return testname
+        counter += 1
+        test_name = "%s %d" % (base_name, counter)
+        if not User.objects.filter(username=test_name).exists():
+            return test_name
 
 
 def import_users(csv_file):

openslides/participant/forms.py

@@ -52,14 +52,23 @@ class UserUpdateForm(UserCreateForm):
     user edits himself and removes the last group containing the permission
     to manage participants.
     """
+    user_name = forms.CharField()
+    """
+    Field to save the username.
+
+    The field username (without the underscore) from the UserModel does not
+    allow whitespaces and umlauts.
+    """
+
     class Meta:
         model = User
-        fields = ('username', 'title', 'first_name', 'last_name', 'gender', 'email',
+        fields = ('user_name', 'title', 'first_name', 'last_name', 'gender', 'email',
                   'groups', 'structure_level', 'committee', 'about_me', 'comment',
                   'is_active', 'default_password')
 
     def __init__(self, *args, **kwargs):
         self.request = kwargs.pop('request')
+        kwargs['initial']['user_name'] = kwargs['instance'].username
         return super(UserUpdateForm, self).__init__(*args, **kwargs)
 
     def clean(self, *args, **kwargs):
@@ -145,15 +154,27 @@ class GroupForm(forms.ModelForm, CssClassMixin):
         return super(GroupForm, self).clean(*args, **kwargs)
 
 
-class UsersettingsForm(forms.ModelForm, CssClassMixin):
+class UsersettingsForm(CssClassMixin, forms.ModelForm):
+    user_name = forms.CharField()
+    """
+    Field to save the username.
+
+    The field username (without the underscore) from the UserModel does not
+    allow whitespaces and umlauts.
+    """
+
     language = forms.ChoiceField(choices=settings.LANGUAGES)
 
+    def __init__(self, *args, **kwargs):
+        kwargs['initial']['user_name'] = kwargs['instance'].username
+        return super(UsersettingsForm, self).__init__(*args, **kwargs)
+
     class Meta:
         model = User
-        fields = ('username', 'title', 'first_name', 'last_name', 'gender', 'email',
+        fields = ('user_name', 'title', 'first_name', 'last_name', 'gender', 'email',
                   'committee', 'about_me')
 
 
-class UserImportForm(forms.Form, CssClassMixin):
+class UserImportForm(CssClassMixin, forms.Form):
     csvfile = forms.FileField(widget=forms.FileInput(attrs={'size': '50'}),
                               label=ugettext_lazy('CSV File'))

openslides/participant/views.py

@@ -132,6 +132,9 @@ class UserUpdateView(UpdateView):
         form_kwargs.update({'request': self.request})
         return form_kwargs
 
+    def manipulate_object(self, form):
+        self.object.username = form.cleaned_data['user_name']
+
     def post_save(self, form):
         super(UserUpdateView, self).post_save(form)
         # TODO: find a better solution that makes the following lines obsolete
@@ -485,7 +488,9 @@ def user_settings(request):
     if request.method == 'POST':
         form_user = UsersettingsForm(request.POST, instance=request.user)
         if form_user.is_valid():
-            form_user.save()
+            user = form_user.save(commit=False)
+            user.username = form_user.cleaned_data['user_name']
+            user.save()
             language = request.LANGUAGE_CODE = \
                 request.session['django_language'] = form_user.cleaned_data['language']
             activate(language)

tests/participant/test_umlaut_user.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+    Test Umlaut User
+    ~~~~~~~~~~~~~~~~
+
+    :copyright: 2011–2013 by OpenSlides team, see AUTHORS.
+    :license: GNU GPL, see LICENSE for more details.
+"""
+
+from django.test.client import Client
+
+from openslides.utils.test import TestCase
+from openslides.config.api import config
+from openslides.participant.models import User, Group
+
+
+class TestUmlautUser(TestCase):
+    """
+    Tests persons with umlauts in there name.
+    """
+
+    def setUp(self):
+        self.user = User.objects.create(username='äöü')
+        self.user.reset_password('äöü')
+        self.client = Client()
+        self.client.login(username='äöü', password='äöü')
+
+    def test_login(self):
+        client = Client()
+        response = client.post('/login/', {'username': 'äöü',
+                                           'password': 'äöüß'})
+        self.assertEqual(response.status_code, 200)
+
+        response = client.post('/login/', {'username': 'äöü',
+                                           'password': 'äöü'})
+        self.assertEqual(response.status_code, 302)
+
+    def test_logout(self):
+        response = self.client.get('/logout/')
+        self.assertEqual(response.status_code, 302)
+
+    def test_permission(self):
+        response = self.client.get('/participant/1/edit/')
+        self.assertEqual(response.status_code, 403)
+
+        self.user.groups.add(Group.objects.get(pk=4))
+
+        response = self.client.get('/participant/1/edit/')
+        self.assertEqual(response.status_code, 200)

tests/participant/test_utils.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+    Tests for models of openslides.participant
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    :copyright: 2011–2013 by OpenSlides team, see AUTHORS.
+    :license: GNU GPL, see LICENSE for more details.
+"""
+
+from openslides.utils.test import TestCase
+
+from openslides.participant.models import User
+from openslides.participant.api import gen_username
+
+
+class UserGenUsername(TestCase):
+    """
+    Tests for the function gen_username.
+    """
+
+    def test_base(self):
+        self.assertEqual(gen_username('foo', 'bar'), 'foo bar')
+        self.assertEqual(gen_username('foo ', '  bar\n'), 'foo bar')
+        self.assertEqual(gen_username('foobar', ''), 'foobar')
+        self.assertEqual(gen_username('', 'foobar'), 'foobar')
+        self.assertRaises(ValueError, gen_username, '', '')
+
+    def test_used_username(self):
+        User.objects.create(username='user name')
+        self.assertEqual(gen_username('user', 'name'), 'user name 1')
+
+        User.objects.create(username='user name 1')
+        self.assertEqual(gen_username('user', 'name'), 'user name 2')
+
+    def test_umlauts(self):
+        self.assertEqual(gen_username('äöü', 'ßüäö'), 'äöü ßüäö')