219 lines
8.2 KiB
Python
219 lines
8.2 KiB
Python
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# Generated by Django 2.1 on 2018-08-31 13:17
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import django.db.models.deletion
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from django.conf import settings
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from django.contrib.auth.models import Permission
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from django.db import migrations, models
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import openslides
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def create_comment_sections_from_config_and_move_comments_to_own_model(apps, schema_editor):
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ConfigStore = apps.get_model('core', 'ConfigStore')
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Motion = apps.get_model('motions', 'Motion')
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MotionComment = apps.get_model('motions', 'MotionComment')
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MotionCommentSection = apps.get_model('motions', 'MotionCommentSection')
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Group = apps.get_model(settings.AUTH_GROUP_MODEL)
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# try to get old motions_comments config variable, where all comment fields are saved
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try:
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motions_comments = ConfigStore.objects.get(key='motions_comments')
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except ConfigStore.DoesNotExist:
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return
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comments_sections = motions_comments.value
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# Delete config value
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motions_comments.delete()
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# Get can_see_comments and can_manage_comments permissions and the associated groups
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can_see_comments = Permission.objects.filter(codename='can_see_comments')
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if len(can_see_comments) == 1:
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# Save groups. list() is necessary to evaluate the database query right now.
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can_see_groups = list(can_see_comments.get().group_set.all())
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else:
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can_see_groups = Group.objects.all()
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can_manage_comments = Permission.objects.filter(codename='can_manage_comments')
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if len(can_manage_comments) == 1:
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# Save groups. list() is necessary to evaluate the database query right now.
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can_manage_groups = list(can_manage_comments.get().group_set.all())
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else:
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can_manage_groups = Group.objects.all()
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# Create comment sections. Map them to the old ids, so we can find the right section
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# when creating actual comments
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old_id_mapping = {}
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# Keep track of the special comment sections "forState" and "forRecommendation". If a
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# comment is found, the comment value will be assigned to new motion fields and not comments.
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forStateId = None
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forRecommendationId = None
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for id, section in comments_sections.items():
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if section is None:
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continue
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if section.get('forState', False):
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forStateId = id
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elif section.get('forRecommendation', False):
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forRecommendationId = id
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else:
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comment_section = MotionCommentSection(name=section['name'])
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comment_section.save(skip_autoupdate=True)
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comment_section.read_groups.add(*[group.id for group in can_see_groups])
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comment_section.write_groups.add(*[group.id for group in can_manage_groups])
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old_id_mapping[id] = comment_section
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# Create all comments objects
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comments = []
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for motion in Motion.objects.all():
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if not isinstance(motion.comments, dict):
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continue
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for section_id, comment_value in motion.comments.items():
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# Skip empty sections.
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comment_value = comment_value.strip()
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if comment_value == '':
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continue
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# Special comments will be moved to separate fields.
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if section_id == forStateId:
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motion.state_extension = comment_value
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motion.save(skip_autoupdate=True)
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elif section_id == forRecommendationId:
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motion.recommendation_extension = comment_value
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motion.save(skip_autoupdate=True)
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else:
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comment = MotionComment(
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comment=comment_value,
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motion=motion,
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section=old_id_mapping[section_id])
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comments.append(comment)
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MotionComment.objects.bulk_create(comments)
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class Migration(migrations.Migration):
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dependencies = [
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('users', '0006_user_email'),
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('motions', '0011_motion_version'),
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]
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operations = [
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# Cleanup from last migration. Somehow cannot be done there.
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migrations.AlterField( # remove default=''
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model_name='motion',
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name='text',
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field=models.TextField(),
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),
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migrations.AlterField( # remove default=''
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model_name='motion',
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name='title',
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field=models.CharField(max_length=255),
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),
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migrations.AlterField( # remove null=True
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model_name='motionchangerecommendation',
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name='motion',
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field=models.ForeignKey(
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on_delete=django.db.models.deletion.CASCADE,
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related_name='change_recommendations',
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to='motions.Motion'),
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),
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# Add extension fields for former "special comments". No hack anymore..
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migrations.AddField(
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model_name='motion',
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name='recommendation_extension',
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field=models.TextField(blank=True, null=True),
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),
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migrations.AddField(
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model_name='motion',
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name='state_extension',
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field=models.TextField(blank=True, null=True),
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),
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migrations.AlterModelOptions(
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name='motion',
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options={
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'default_permissions': (),
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'ordering': ('identifier',),
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'permissions': (
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('can_see', 'Can see motions'),
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('can_create', 'Can create motions'),
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('can_support', 'Can support motions'),
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('can_manage', 'Can manage motions')),
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'verbose_name': 'Motion'},
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),
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# Comments and CommentsSection models
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migrations.CreateModel(
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name='MotionComment',
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fields=[
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('id', models.AutoField(
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auto_created=True,
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primary_key=True,
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serialize=False,
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verbose_name='ID')),
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('comment', models.TextField()),
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],
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options={
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'default_permissions': (),
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},
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bases=(openslides.utils.models.RESTModelMixin, models.Model), # type: ignore
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),
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migrations.CreateModel(
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name='MotionCommentSection',
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fields=[
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('id', models.AutoField(
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auto_created=True,
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primary_key=True,
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serialize=False,
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verbose_name='ID')),
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('name', models.CharField(max_length=255)),
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('read_groups', models.ManyToManyField(
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blank=True,
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related_name='read_comments',
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to=settings.AUTH_GROUP_MODEL)),
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('write_groups', models.ManyToManyField(
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blank=True,
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related_name='write_comments',
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to=settings.AUTH_GROUP_MODEL)),
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],
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options={
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'default_permissions': (),
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},
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bases=(openslides.utils.models.RESTModelMixin, models.Model), # type: ignore
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),
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migrations.AddField(
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model_name='motioncomment',
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name='section',
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field=models.ForeignKey(
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on_delete=django.db.models.deletion.PROTECT,
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related_name='comments',
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to='motions.MotionCommentSection'),
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),
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migrations.AddField(
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model_name='motioncomment',
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name='motion',
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field=models.ForeignKey(
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on_delete=django.db.models.deletion.CASCADE,
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to='motions.Motion'),
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),
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migrations.AlterUniqueTogether(
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name='motioncomment',
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unique_together={('motion', 'section')},
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),
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# Move the comments and sections
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migrations.RunPython(create_comment_sections_from_config_and_move_comments_to_own_model),
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# Remove old comment field from motion, use the new model instead
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migrations.RemoveField(
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model_name='motion',
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name='comments',
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),
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migrations.AlterField(
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model_name='motioncomment',
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name='motion',
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field=models.ForeignKey(
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on_delete=django.db.models.deletion.CASCADE,
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related_name='comments',
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to='motions.Motion'),
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),
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]
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