From: yomguy Date: Wed, 6 Jun 2012 09:42:14 +0000 (+0200) Subject: add some on_delete=models.SET_NULL X-Git-Tag: 0.5^2~19 X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=0db59bbee7ceaaa5647eb0e4a704751e21616698;p=teleforma.git add some on_delete=models.SET_NULL --- diff --git a/teleforma/migrations/0032_auto__chg_field_professor_training__chg_field_document_conference__chg.py b/teleforma/migrations/0032_auto__chg_field_professor_training__chg_field_document_conference__chg.py new file mode 100644 index 00000000..0a57a6d5 --- /dev/null +++ b/teleforma/migrations/0032_auto__chg_field_professor_training__chg_field_document_conference__chg.py @@ -0,0 +1,484 @@ +# -*- coding: utf-8 -*- +import datetime +from south.db import db +from south.v2 import SchemaMigration +from django.db import models + + +class Migration(SchemaMigration): + + def forwards(self, orm): + + # Changing field 'Professor.training' + db.alter_column('teleforma_professor', 'training_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, on_delete=models.SET_NULL, to=orm['teleforma.Training'])) + + # Changing field 'Document.conference' + db.alter_column('teleforma_document', 'conference_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, on_delete=models.SET_NULL, to=orm['teleforma.Conference'])) + + # Changing field 'LiveStream.conference' + db.alter_column('teleforma_live_stream', 'conference_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, on_delete=models.SET_NULL, to=orm['teleforma.Conference'])) + + # Changing field 'Media.conference' + db.alter_column('teleforma_media', 'conference_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, on_delete=models.SET_NULL, to=orm['teleforma.Conference'])) + + # Changing field 'Conference.professor' + db.alter_column('teleforma_conference', 'professor_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, on_delete=models.SET_NULL, to=orm['teleforma.Professor'])) + def backwards(self, orm): + + # Changing field 'Professor.training' + db.alter_column('teleforma_professor', 'training_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, to=orm['teleforma.Training'])) + + # Changing field 'Document.conference' + db.alter_column('teleforma_document', 'conference_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, to=orm['teleforma.Conference'])) + + # Changing field 'LiveStream.conference' + db.alter_column('teleforma_live_stream', 'conference_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, to=orm['teleforma.Conference'])) + + # Changing field 'Media.conference' + db.alter_column('teleforma_media', 'conference_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, to=orm['teleforma.Conference'])) + + # Changing field 'Conference.professor' + db.alter_column('teleforma_conference', 'professor_id', self.gf('django.db.models.fields.related.ForeignKey')(default=1, to=orm['teleforma.Professor'])) + models = { + 'auth.group': { + 'Meta': {'object_name': 'Group'}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}), + 'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}) + }, + 'auth.permission': { + 'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'}, + 'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '50'}) + }, + 'auth.user': { + 'Meta': {'object_name': 'User'}, + 'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}), + 'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}), + 'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}), + 'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}), + 'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}), + 'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}), + 'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}), + 'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}), + 'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'}) + }, + 'contenttypes.contenttype': { + 'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"}, + 'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}) + }, + 'notes.note': { + 'Meta': {'object_name': 'Note'}, + 'author': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']", 'null': 'True', 'blank': 'True'}), + 'content': ('django.db.models.fields.TextField', [], {}), + 'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}), + 'created': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'blank': 'True'}), + 'date': ('django.db.models.fields.DateField', [], {'default': 'datetime.datetime(2012, 6, 6, 0, 0)'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'markup': ('django.db.models.fields.CharField', [], {'default': "'m'", 'max_length': '1'}), + 'modified': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'blank': 'True'}), + 'object_id': ('django.db.models.fields.PositiveIntegerField', [], {}), + 'public': ('django.db.models.fields.BooleanField', [], {'default': 'True'}), + 'rendered_content': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}), + 'topic': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['notes.Topic']"}) + }, + 'notes.topic': { + 'Meta': {'object_name': 'Topic'}, + 'created': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'blank': 'True'}), + 'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'modified': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now', 'blank': 'True'}), + 'slug': ('django_extensions.db.fields.AutoSlugField', [], {'allow_duplicates': 'False', 'max_length': '50', 'separator': "u'-'", 'blank': 'True', 'populate_from': "'title'", 'overwrite': 'False'}), + 'title': ('django.db.models.fields.CharField', [], {'max_length': '255'}) + }, + 'teleforma.conference': { + 'Meta': {'ordering': "['-date_begin']", 'object_name': 'Conference'}, + 'comment': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'course': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'conference'", 'to': "orm['teleforma.Course']"}), + 'course_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'conference'", 'to': "orm['teleforma.CourseType']"}), + 'date_begin': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}), + 'date_end': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'professor': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'conference'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['teleforma.Professor']"}), + 'readers': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'conference'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['auth.User']"}), + 'room': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'conference'", 'null': 'True', 'to': "orm['teleforma.Room']"}), + 'session': ('django.db.models.fields.CharField', [], {'default': "'1'", 'max_length': '16'}), + 'streaming': ('django.db.models.fields.BooleanField', [], {'default': 'False'}) + }, + 'teleforma.course': { + 'Meta': {'ordering': "['number']", 'object_name': 'Course'}, + 'code': ('django.db.models.fields.CharField', [], {'max_length': '255'}), + 'date_modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}), + 'department': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'course'", 'to': "orm['teleforma.Department']"}), + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'number': ('django.db.models.fields.IntegerField', [], {'null': 'True', 'blank': 'True'}), + 'obligation': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'synthesis_note': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'title': ('django.db.models.fields.CharField', [], {'max_length': '255'}) + }, + 'teleforma.coursetype': { + 'Meta': {'object_name': 'CourseType', 'db_table': "'teleforma_course_type'"}, + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}) + }, + 'teleforma.department': { + 'Meta': {'object_name': 'Department'}, + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}), + 'organization': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'department'", 'to': "orm['teleforma.Organization']"}) + }, + 'teleforma.document': { + 'Meta': {'ordering': "['-date_modified']", 'object_name': 'Document'}, + 'code': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'conference': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'document'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['teleforma.Conference']"}), + 'course': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'document'", 'to': "orm['teleforma.Course']"}), + 'course_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'document'", 'to': "orm['teleforma.CourseType']"}), + 'credits': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'date_added': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}), + 'date_modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}), + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'file': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'db_column': "'filename'", 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'is_annal': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'is_published': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'readers': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'document'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['auth.User']"}), + 'title': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'type': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'document'", 'null': 'True', 'to': "orm['teleforma.DocumentType']"}) + }, + 'teleforma.documenttype': { + 'Meta': {'object_name': 'DocumentType', 'db_table': "'teleforma_document_type'"}, + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}) + }, + 'teleforma.iej': { + 'Meta': {'ordering': "['name']", 'object_name': 'IEJ'}, + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}) + }, + 'teleforma.livestream': { + 'Meta': {'object_name': 'LiveStream', 'db_table': "'teleforma_live_stream'"}, + 'conference': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'livestream'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['teleforma.Conference']"}), + 'course': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'livestream'", 'to': "orm['teleforma.Course']"}), + 'course_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'livestream'", 'to': "orm['teleforma.CourseType']"}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'server': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'livestream'", 'to': "orm['teleforma.StreamingServer']"}), + 'stream_type': ('django.db.models.fields.CharField', [], {'max_length': '32'}) + }, + 'teleforma.media': { + 'Meta': {'ordering': "['-date_modified']", 'object_name': 'Media'}, + 'code': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'conference': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'media'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['teleforma.Conference']"}), + 'course': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['teleforma.Course']"}), + 'course_type': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'media'", 'to': "orm['teleforma.CourseType']"}), + 'credits': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'date_added': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}), + 'date_modified': ('django.db.models.fields.DateTimeField', [], {'auto_now': 'True', 'blank': 'True'}), + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'is_live': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'is_published': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'item': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'media'", 'null': 'True', 'to': "orm['telemeta.MediaItem']"}), + 'readers': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'media'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['auth.User']"}), + 'title': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}) + }, + 'teleforma.organization': { + 'Meta': {'object_name': 'Organization'}, + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}) + }, + 'teleforma.payment': { + 'Meta': {'ordering': "['-date_added']", 'object_name': 'Payment'}, + 'amount': ('django.db.models.fields.FloatField', [], {}), + 'date_added': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'student': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'payment'", 'to': "orm['teleforma.Student']"}) + }, + 'teleforma.period': { + 'Meta': {'object_name': 'Period'}, + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}) + }, + 'teleforma.professor': { + 'Meta': {'object_name': 'Professor'}, + 'courses': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'professor'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.Course']"}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'training': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'professor'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['teleforma.Training']"}), + 'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'professor'", 'unique': 'True', 'to': "orm['auth.User']"}) + }, + 'teleforma.profile': { + 'Meta': {'object_name': 'Profile', 'db_table': "'teleforma_profiles'"}, + 'address': ('django.db.models.fields.TextField', [], {'blank': 'True'}), + 'city': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'country': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'expiration_date': ('django.db.models.fields.DateField', [], {'null': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'init_password': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'language': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'postal_code': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'telephone': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'profile'", 'unique': 'True', 'to': "orm['auth.User']"}) + }, + 'teleforma.room': { + 'Meta': {'object_name': 'Room'}, + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}), + 'organization': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'room'", 'to': "orm['teleforma.Organization']"}) + }, + 'teleforma.streamingserver': { + 'Meta': {'object_name': 'StreamingServer', 'db_table': "'teleforma_streaming_server'"}, + 'admin_password': ('django.db.models.fields.CharField', [], {'max_length': '32', 'blank': 'True'}), + 'description': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'host': ('django.db.models.fields.CharField', [], {'max_length': '255'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'port': ('django.db.models.fields.CharField', [], {'max_length': '32'}), + 'source_password': ('django.db.models.fields.CharField', [], {'max_length': '32'}), + 'type': ('django.db.models.fields.CharField', [], {'max_length': '32'}) + }, + 'teleforma.student': { + 'Meta': {'ordering': "['user__last_name']", 'object_name': 'Student'}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'iej': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'student'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['teleforma.IEJ']"}), + 'options': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'options'", 'null': 'True', 'to': "orm['teleforma.Course']"}), + 'oral_1': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'oral_1'", 'null': 'True', 'to': "orm['teleforma.Course']"}), + 'oral_2': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'oral_2'", 'null': 'True', 'to': "orm['teleforma.Course']"}), + 'oral_speciality': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'oral_speciality'", 'null': 'True', 'to': "orm['teleforma.Course']"}), + 'period': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'student'", 'null': 'True', 'on_delete': 'models.SET_NULL', 'to': "orm['teleforma.Period']"}), + 'platform_only': ('django.db.models.fields.BooleanField', [], {'default': 'False'}), + 'procedure': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'procedure'", 'null': 'True', 'to': "orm['teleforma.Course']"}), + 'training': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'student'", 'to': "orm['teleforma.Training']"}), + 'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'student'", 'unique': 'True', 'to': "orm['auth.User']"}), + 'written_speciality': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'written_speciality'", 'null': 'True', 'to': "orm['teleforma.Course']"}) + }, + 'teleforma.training': { + 'Meta': {'object_name': 'Training'}, + 'code': ('django.db.models.fields.CharField', [], {'max_length': '255'}), + 'cost': ('django.db.models.fields.FloatField', [], {'null': 'True', 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'magistral_courses': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_magistral_courses'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.Course']"}), + 'name': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}), + 'obligation': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_obligation'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}), + 'options': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_options'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}), + 'oral_1': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_oral_1'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}), + 'oral_2': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_oral_2'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}), + 'oral_speciality': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_oral_speciality'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}), + 'period': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'related_name': "'training'", 'null': 'True', 'to': "orm['teleforma.Period']"}), + 'procedure': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_procedure'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}), + 'synthesis_note': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_synthesis_note'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}), + 'written_speciality': ('django.db.models.fields.related.ManyToManyField', [], {'blank': 'True', 'related_name': "'training_written_speciality'", 'null': 'True', 'symmetrical': 'False', 'to': "orm['teleforma.CourseType']"}) + }, + 'telemeta.acquisitionmode': { + 'Meta': {'ordering': "['value']", 'object_name': 'AcquisitionMode', 'db_table': "'acquisition_modes'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.adconversion': { + 'Meta': {'ordering': "['value']", 'object_name': 'AdConversion', 'db_table': "'ad_conversions'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.ethnicgroup': { + 'Meta': {'ordering': "['value']", 'object_name': 'EthnicGroup', 'db_table': "'ethnic_groups'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.genericstyle': { + 'Meta': {'ordering': "['value']", 'object_name': 'GenericStyle', 'db_table': "'generic_styles'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.language': { + 'Meta': {'ordering': "['name']", 'object_name': 'Language', 'db_table': "'languages'"}, + 'comment': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'identifier': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '3', 'blank': 'True'}), + 'name': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'part1': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '1', 'blank': 'True'}), + 'part2B': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '3', 'blank': 'True'}), + 'part2T': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '3', 'blank': 'True'}), + 'scope': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '1', 'blank': 'True'}), + 'type': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '1', 'blank': 'True'}) + }, + 'telemeta.legalright': { + 'Meta': {'ordering': "['value']", 'object_name': 'LegalRight', 'db_table': "'legal_rights'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.location': { + 'Meta': {'ordering': "['name']", 'object_name': 'Location', 'db_table': "'locations'"}, + 'complete_type': ('telemeta.models.core.ForeignKey', [], {'related_name': "'locations'", 'to': "orm['telemeta.LocationType']"}), + 'current_location': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'past_names'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.Location']"}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'is_authoritative': ('telemeta.models.core.BooleanField', [], {'default': 'False'}), + 'latitude': ('telemeta.models.core.FloatField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}), + 'longitude': ('telemeta.models.core.FloatField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}), + 'name': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '150'}), + 'type': ('telemeta.models.core.IntegerField', [], {'default': '0', 'db_index': 'True', 'blank': 'True'}) + }, + 'telemeta.locationtype': { + 'Meta': {'ordering': "['name']", 'object_name': 'LocationType', 'db_table': "'location_types'"}, + 'code': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '64'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'name': ('telemeta.models.core.CharField', [], {'max_length': '150'}) + }, + 'telemeta.mediacollection': { + 'Meta': {'ordering': "['code']", 'object_name': 'MediaCollection', 'db_table': "'media_collections'"}, + 'a_informer_07_03': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'acquisition_mode': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.AcquisitionMode']"}), + 'ad_conversion': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.AdConversion']"}), + 'alt_ids': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'alt_title': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'approx_duration': ('telemeta.models.core.DurationField', [], {'default': "'0'", 'blank': 'True'}), + 'booklet_author': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'booklet_description': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'cnrs_contributor': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'code': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}), + 'collector': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'collector_is_creator': ('telemeta.models.core.BooleanField', [], {'default': 'False'}), + 'comment': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'conservation_site': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'creator': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'doctype_code': ('telemeta.models.core.IntegerField', [], {'default': '0', 'blank': 'True'}), + 'external_references': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'is_published': ('telemeta.models.core.BooleanField', [], {'default': 'False'}), + 'items_done': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'legal_rights': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.LegalRight']"}), + 'metadata_author': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.MetadataAuthor']"}), + 'metadata_writer': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.MetadataWriter']"}), + 'old_code': ('telemeta.models.core.CharField', [], {'default': 'None', 'max_length': '250', 'null': 'True', 'blank': 'True'}), + 'physical_format': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.PhysicalFormat']"}), + 'physical_items_num': ('telemeta.models.core.IntegerField', [], {'default': '0', 'blank': 'True'}), + 'public_access': ('telemeta.models.core.CharField', [], {'default': "'metadata'", 'max_length': '16', 'blank': 'True'}), + 'publisher': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.Publisher']"}), + 'publisher_collection': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.PublisherCollection']"}), + 'publisher_serial': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'publishing_status': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.PublishingStatus']"}), + 'recorded_from_year': ('telemeta.models.core.IntegerField', [], {'default': '0', 'blank': 'True'}), + 'recorded_to_year': ('telemeta.models.core.IntegerField', [], {'default': '0', 'blank': 'True'}), + 'recording_context': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'collections'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.RecordingContext']"}), + 'reference': ('telemeta.models.core.CharField', [], {'default': 'None', 'max_length': '250', 'unique': 'True', 'null': 'True', 'blank': 'True'}), + 'state': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'title': ('telemeta.models.core.CharField', [], {'max_length': '250'}), + 'travail': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'year_published': ('telemeta.models.core.IntegerField', [], {'default': '0', 'blank': 'True'}) + }, + 'telemeta.mediaitem': { + 'Meta': {'object_name': 'MediaItem', 'db_table': "'media_items'"}, + 'alt_title': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'approx_duration': ('telemeta.models.core.DurationField', [], {'default': "'0'", 'blank': 'True'}), + 'author': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'code': ('telemeta.models.core.CharField', [], {'default': "''", 'unique': 'True', 'max_length': '250', 'blank': 'True'}), + 'collection': ('telemeta.models.core.ForeignKey', [], {'related_name': "'items'", 'to': "orm['telemeta.MediaCollection']"}), + 'collector': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'collector_from_collection': ('telemeta.models.core.BooleanField', [], {'default': 'False'}), + 'collector_selection': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'comment': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'context_comment': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'contributor': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'copied_from_item': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'copies'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.MediaItem']"}), + 'creator_reference': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'cultural_area': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'depositor': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'digitalist': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'digitization_date': ('telemeta.models.core.DateField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}), + 'ethnic_group': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'items'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.EthnicGroup']"}), + 'external_references': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'file': ('telemeta.models.core.FileField', [], {'default': "''", 'max_length': '100', 'db_column': "'filename'", 'blank': 'True'}), + 'generic_style': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'items'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.GenericStyle']"}), + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'language': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'language_iso': ('telemeta.models.core.ForeignKey', [], {'related_name': "'items'", 'on_delete': 'models.SET_NULL', 'default': 'None', 'to': "orm['telemeta.Language']", 'blank': 'True', 'null': 'True'}), + 'location': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'to': "orm['telemeta.Location']", 'null': 'True', 'blank': 'True'}), + 'location_comment': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'moda_execut': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'old_code': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'organization': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'to': "orm['telemeta.Organization']", 'null': 'True', 'blank': 'True'}), + 'public_access': ('telemeta.models.core.CharField', [], {'default': "'metadata'", 'max_length': '16', 'blank': 'True'}), + 'publishing_date': ('telemeta.models.core.DateField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}), + 'recorded_from_date': ('telemeta.models.core.DateField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}), + 'recorded_to_date': ('telemeta.models.core.DateField', [], {'default': 'None', 'null': 'True', 'blank': 'True'}), + 'recordist': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'rights': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'to': "orm['telemeta.Rights']", 'null': 'True', 'blank': 'True'}), + 'scientist': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'subject': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'to': "orm['telemeta.Subject']", 'null': 'True', 'blank': 'True'}), + 'summary': ('telemeta.models.core.TextField', [], {'default': "''", 'blank': 'True'}), + 'title': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'track': ('telemeta.models.core.CharField', [], {'default': "''", 'max_length': '250', 'blank': 'True'}), + 'vernacular_style': ('telemeta.models.core.WeakForeignKey', [], {'default': 'None', 'related_name': "'items'", 'null': 'True', 'blank': 'True', 'to': "orm['telemeta.VernacularStyle']"}) + }, + 'telemeta.metadataauthor': { + 'Meta': {'ordering': "['value']", 'object_name': 'MetadataAuthor', 'db_table': "'metadata_authors'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.metadatawriter': { + 'Meta': {'ordering': "['value']", 'object_name': 'MetadataWriter', 'db_table': "'metadata_writers'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.organization': { + 'Meta': {'ordering': "['value']", 'object_name': 'Organization', 'db_table': "'organization'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.physicalformat': { + 'Meta': {'ordering': "['value']", 'object_name': 'PhysicalFormat', 'db_table': "'physical_formats'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.publisher': { + 'Meta': {'ordering': "['value']", 'object_name': 'Publisher', 'db_table': "'publishers'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.publishercollection': { + 'Meta': {'ordering': "['value']", 'object_name': 'PublisherCollection', 'db_table': "'publisher_collections'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'publisher': ('telemeta.models.core.ForeignKey', [], {'related_name': "'publisher_collections'", 'to': "orm['telemeta.Publisher']"}), + 'value': ('telemeta.models.core.CharField', [], {'max_length': '250'}) + }, + 'telemeta.publishingstatus': { + 'Meta': {'ordering': "['value']", 'object_name': 'PublishingStatus', 'db_table': "'publishing_status'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.recordingcontext': { + 'Meta': {'ordering': "['value']", 'object_name': 'RecordingContext', 'db_table': "'recording_contexts'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.rights': { + 'Meta': {'ordering': "['value']", 'object_name': 'Rights', 'db_table': "'rights'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.subject': { + 'Meta': {'ordering': "['value']", 'object_name': 'Subject', 'db_table': "'subject'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + }, + 'telemeta.vernacularstyle': { + 'Meta': {'ordering': "['value']", 'object_name': 'VernacularStyle', 'db_table': "'vernacular_styles'"}, + 'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}), + 'value': ('telemeta.models.core.CharField', [], {'unique': 'True', 'max_length': '250'}) + } + } + + complete_apps = ['teleforma'] \ No newline at end of file diff --git a/teleforma/models.py b/teleforma/models.py index bbcb603e..671b31da 100755 --- a/teleforma/models.py +++ b/teleforma/models.py @@ -147,8 +147,8 @@ class Course(Model): class Professor(Model): user = ForeignKey(User, related_name='professor', verbose_name=_('user'), unique=True) - training = ForeignKey('Training', related_name='professor', - verbose_name=_('training'), blank=True, null=True) + training = ForeignKey('Training', related_name='professor', verbose_name=_('training'), + blank=True, null=True, on_delete=models.SET_NULL) courses = ManyToManyField('Course', related_name="professor", verbose_name=_('courses'), blank=True, null=True) @@ -178,7 +178,8 @@ class Conference(Model): course = ForeignKey('Course', related_name='conference', verbose_name=_('course')) course_type = ForeignKey('CourseType', related_name='conference', verbose_name=_('course type')) - professor = ForeignKey('Professor', related_name='conference', verbose_name=_('professor')) + professor = ForeignKey('Professor', related_name='conference', verbose_name=_('professor'), + blank=True, null=True, on_delete=models.SET_NULL) session = CharField(_('session'), choices=session_choices, max_length=16, default="1") room = ForeignKey('Room', related_name='conference', verbose_name=_('room'), @@ -240,7 +241,7 @@ class LiveStream(Model): verbose_name=_('course type')) conference = ForeignKey('Conference', related_name='livestream', verbose_name=_('conference'), - blank=True, null=True) + blank=True, null=True, on_delete=models.SET_NULL) server = ForeignKey('StreamingServer', related_name='livestream', verbose_name=_('streaming server')) stream_type = CharField(_('Streaming type'), @@ -306,7 +307,7 @@ class Document(MediaBase): course = ForeignKey('Course', related_name='document', verbose_name=_('course')) course_type = ForeignKey('CourseType', related_name='document', verbose_name=_('course type')) conference = ForeignKey('Conference', related_name='document', verbose_name=_('conference'), - blank=True, null=True) + blank=True, null=True, on_delete=models.SET_NULL) type = ForeignKey('DocumentType', related_name='document', verbose_name=_('type'), blank=True, null=True) is_annal = BooleanField(_('annal')) @@ -353,7 +354,7 @@ class Media(MediaBase): course = ForeignKey('Course', related_name='media', verbose_name=_('course')) course_type = ForeignKey('CourseType', related_name='media', verbose_name=_('course type')) conference = ForeignKey('Conference', related_name='media', verbose_name=_('conference'), - blank=True, null=True) + blank=True, null=True, on_delete=models.SET_NULL) item = ForeignKey(telemeta.models.media.MediaItem, related_name='media', verbose_name='item', blank=True, null=True) is_live = BooleanField(_('is live'))