Removed imports from openslides.users in other apps: Cleaned up agenda, assignments and motions.

openslides/agenda/models.py

@@ -1,6 +1,7 @@
 from collections import defaultdict
 from datetime import datetime
 
+from django.conf import settings
 from django.contrib.auth.models import AnonymousUser
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
@@ -12,7 +13,6 @@ from django.utils.translation import ugettext_lazy, ugettext_noop
 from openslides.core.config import config
 from openslides.core.models import Tag
 from openslides.core.projector import Countdown
-from openslides.users.models import User
 from openslides.utils.exceptions import OpenSlidesError
 from openslides.utils.models import RESTModelMixin
 from openslides.utils.utils import to_roman
@@ -304,7 +304,7 @@ class Item(RESTModelMixin, models.Model):
 
     def get_next_speaker(self):
         """
-        Returns the speaker object of the user who is next.
+        Returns the speaker object of the speaker who is next.
         """
         try:
             return self.speakers.filter(begin_time=None).order_by('weight')[0]
@@ -352,10 +352,18 @@ class Item(RESTModelMixin, models.Model):
 
 
 class SpeakerManager(models.Manager):
+    """
+    Manager for Speaker model. Provides a customized add method.
+    """
     def add(self, user, item):
+        """
+        Customized manager method to prevent anonymous users to be on the
+        list of speakers and that someone is twice on one list (off coming
+        speakers). Cares also initial sorting of the coming speakers.
+        """
         if self.filter(user=user, item=item, begin_time=None).exists():
-            raise OpenSlidesError(_(
-                '%(user)s is already on the list of speakers of item %(id)s.')
+            raise OpenSlidesError(
+                _('%(user)s is already on the list of speakers of item %(id)s.')
                 % {'user': user, 'id': item.id})
         if isinstance(user, AnonymousUser):
             raise OpenSlidesError(
@@ -372,14 +380,14 @@ class Speaker(RESTModelMixin, models.Model):
 
     objects = SpeakerManager()
 
-    user = models.ForeignKey(User)
+    user = models.ForeignKey(settings.AUTH_USER_MODEL)
     """
     ForeinKey to the user who speaks.
     """
 
     item = models.ForeignKey(Item, related_name='speakers')
     """
-    ForeinKey to the AgendaItem to which the user want to speak.
+    ForeinKey to the agenda item to which the user want to speak.
     """
 
     begin_time = models.DateTimeField(null=True)

openslides/assignments/models.py

@@ -1,3 +1,4 @@
+from django.conf import settings
 from django.contrib.contenttypes.fields import GenericRelation
 from django.db import models
 from django.utils.datastructures import SortedDict
@@ -14,7 +15,6 @@ from openslides.poll.models import (
     CollectDefaultVotesMixin,
     PublishPollMixin,
 )
-from openslides.users.models import User
 from openslides.utils.exceptions import OpenSlidesError
 from openslides.utils.models import RESTModelMixin
 
@@ -36,7 +36,7 @@ class AssignmentRelatedUser(RESTModelMixin, models.Model):
         'Assignment',
         db_index=True,
         related_name='assignment_related_users')
-    user = models.ForeignKey(User, db_index=True)
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, db_index=True)
     status = models.IntegerField(
         choices=STATUSES,
         default=STATUS_CANDIDATE)
@@ -103,7 +103,7 @@ class Assignment(RESTModelMixin, models.Model):
     """
 
     related_users = models.ManyToManyField(
-        User,
+        settings.AUTH_USER_MODEL,
         through='AssignmentRelatedUser')
     """
     Users that a candidates, elected or blocked as candidate.
@@ -324,7 +324,7 @@ class AssignmentVote(RESTModelMixin, BaseVote):
 
 class AssignmentOption(RESTModelMixin, BaseOption):
     poll = models.ForeignKey('AssignmentPoll')
-    candidate = models.ForeignKey(User)
+    candidate = models.ForeignKey(settings.AUTH_USER_MODEL)
     vote_class = AssignmentVote
 
     def __str__(self):

openslides/assignments/views.py

@@ -1,5 +1,7 @@
 from cgi import escape
 
+from django.conf import settings
+from django.contrib.auth import get_user_model
 from django.db import transaction
 from django.utils.translation import ugettext as _
 from django.utils.translation import ungettext
@@ -16,7 +18,6 @@ from reportlab.platypus import (
 )
 
 from openslides.core.config import config
-from openslides.users.models import Group, User  # TODO: remove this
 from openslides.utils.pdf import stylesheet
 from openslides.utils.rest_api import (
     DestroyModelMixin,
@@ -134,8 +135,8 @@ class AssignmentViewSet(ModelViewSet):
         except ValueError:
             raise ValidationError({'detail': _('Invalid data. Expected something like {"user": <id>}.')})
         try:
-            user = User.objects.get(pk=user_pk)
-        except User.DoesNotExist:
+            user = get_user_model().objects.get(pk=user_pk)
+        except get_user_model().DoesNotExist:
             raise ValidationError({'detail': _('Invalid data. User %d does not exist.') % user_pk})
         return user
 
@@ -480,13 +481,17 @@ class AssignmentPollPDF(PDFView):
 
         # set number of ballot papers
         if ballot_papers_selection == "NUMBER_OF_DELEGATES":
-            try:
-                if Group.objects.get(pk=3):
-                    number = User.objects.filter(groups__pk=3).count()
-            except Group.DoesNotExist:
+            if 'openslides.users' in settings.INSTALLED_APPS:
+                from openslides.users.models import Group
+                try:
+                    if Group.objects.get(pk=3):
+                        number = get_user_model().objects.filter(groups__pk=3).count()
+                except Group.DoesNotExist:
+                    number = 0
+            else:
                 number = 0
         elif ballot_papers_selection == "NUMBER_OF_ALL_PARTICIPANTS":
-            number = int(User.objects.count())
+            number = int(get_user_model().objects.count())
         else:  # ballot_papers_selection == "CUSTOM_NUMBER"
             number = int(ballot_papers_number)
         number = max(1, number)

openslides/motions/models.py

@@ -15,7 +15,6 @@ from openslides.poll.models import (
     BaseVote,
     CollectDefaultVotesMixin,
 )
-from openslides.users.models import User
 from openslides.utils.models import RESTModelMixin
 
 from .exceptions import WorkflowError
@@ -599,8 +598,8 @@ class MotionLog(RESTModelMixin, models.Model):
     The log message. It should be a list of strings in English.
     """
 
-    person = models.ForeignKey(User, null=True)
-    """A person object, who created the log message. Optional."""
+    person = models.ForeignKey(settings.AUTH_USER_MODEL, null=True)
+    """A user object, who created the log message. Optional."""
 
     time = models.DateTimeField(auto_now=True)
     """The Time, when the loged action was performed."""

openslides/motions/pdf.py

@@ -3,6 +3,8 @@ from cgi import escape
 from operator import attrgetter
 
 from bs4 import BeautifulSoup
+from django.conf import settings
+from django.contrib.auth import get_user_model
 from django.utils.translation import ugettext as _
 from natsort import natsorted
 from reportlab.lib import colors
@@ -10,7 +12,6 @@ from reportlab.lib.units import cm
 from reportlab.platypus import PageBreak, Paragraph, Spacer, Table, TableStyle
 
 from openslides.core.config import config
-from openslides.users.models import Group, User  # TODO: remove this line
 from openslides.utils.pdf import stylesheet
 
 from .models import Category
@@ -278,15 +279,17 @@ def motion_poll_to_pdf(pdf, poll):
 
     # set number of ballot papers
     if ballot_papers_selection == "NUMBER_OF_DELEGATES":
-        # TODO: get this number from users
-        try:
-            if Group.objects.get(pk=3):  # TODO: Find a better way
-                number = User.objects.filter(groups__pk=3).count()
-        except Group.DoesNotExist:
+        if 'openslides.users' in settings.INSTALLED_APPS:
+            from openslides.users.models import Group
+            try:
+                if Group.objects.get(pk=3):
+                    number = get_user_model().objects.filter(groups__pk=3).count()
+            except Group.DoesNotExist:
+                number = 0
+        else:
             number = 0
     elif ballot_papers_selection == "NUMBER_OF_ALL_PARTICIPANTS":
-        # TODO: get the number from the persons
-        number = int(User.objects.count())
+        number = int(get_user_model().objects.count())
     else:  # ballot_papers_selection == "CUSTOM_NUMBER"
         number = int(ballot_papers_number)
     number = max(1, number)

openslides/users/models.py

@@ -1,5 +1,3 @@
-# TODO: Check every app, that they do not import Group or User from here.
-
 from random import choice
 
 from django.contrib.auth.hashers import make_password