Specify the on_delete attribute everywhere

- Models - Migrations
2017-02-22 19:28:34 +01:00 · 2017-02-22 19:28:34 +01:00 · 9f401b66e9
commit 9f401b66e9
parent 859f191894
14 changed files with 299 additions and 93 deletions
--- a/bda/migrations/0001_initial.py
+++ b/bda/migrations/0001_initial.py
@ -59,7 +59,9 @@ class Migration(migrations.Migration):
                ('price', models.FloatField(verbose_name=b"Prix d'une place", blank=True)),
                ('slots', models.IntegerField(verbose_name=b'Places')),
                ('priority', models.IntegerField(default=1000, verbose_name=b'Priorit\xc3\xa9')),
-                ('location', models.ForeignKey(to='bda.Salle')),
+                ('location', models.ForeignKey(
+                    on_delete=models.CASCADE,
+                    to='bda.Salle')),
            ],
            options={
                'ordering': ('priority', 'date', 'title'),
@ -79,27 +81,39 @@ class Migration(migrations.Migration):
        migrations.AddField(
            model_name='participant',
            name='user',
-            field=models.OneToOneField(to=settings.AUTH_USER_MODEL),
+            field=models.OneToOneField(
+                on_delete=models.CASCADE,
+                to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='choixspectacle',
            name='participant',
-            field=models.ForeignKey(to='bda.Participant'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to='bda.Participant'),
        ),
        migrations.AddField(
            model_name='choixspectacle',
            name='spectacle',
-            field=models.ForeignKey(related_name='participants', to='bda.Spectacle'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                related_name='participants',
+                to='bda.Spectacle'),
        ),
        migrations.AddField(
            model_name='attribution',
            name='participant',
-            field=models.ForeignKey(to='bda.Participant'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to='bda.Participant'),
        ),
        migrations.AddField(
            model_name='attribution',
            name='spectacle',
-            field=models.ForeignKey(related_name='attribues', to='bda.Spectacle'),
+            field=models.ForeignKey(
+                related_name='attribues',
+                on_delete=models.CASCADE,
+                to='bda.Spectacle'),
        ),
        migrations.AlterUniqueTogether(
            name='choixspectacle',
--- a/bda/migrations/0002_add_tirage.py
+++ b/bda/migrations/0002_add_tirage.py
@ -39,18 +39,26 @@ class Migration(migrations.Migration):
        migrations.AlterField(
            model_name='participant',
            name='user',
-            field=models.ForeignKey(to=settings.AUTH_USER_MODEL),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='participant',
            name='tirage',
-            field=models.ForeignKey(default=1, to='bda.Tirage'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                default=1,
+                to='bda.Tirage'),
            preserve_default=False,
        ),
        migrations.AddField(
            model_name='spectacle',
            name='tirage',
-            field=models.ForeignKey(default=1, to='bda.Tirage'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                default=1,
+                to='bda.Tirage'),
            preserve_default=False,
        ),
    ]
--- a/bda/migrations/0007_extends_spectacle.py
+++ b/bda/migrations/0007_extends_spectacle.py
@ -72,7 +72,10 @@ class Migration(migrations.Migration):
        migrations.AddField(
            model_name='spectacle',
            name='category',
-            field=models.ForeignKey(blank=True, to='bda.CategorieSpectacle',
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                blank=True,
+                to='bda.CategorieSpectacle',
                null=True),
        ),
        migrations.AddField(
@ -84,6 +87,8 @@ class Migration(migrations.Migration):
        migrations.AddField(
            model_name='quote',
            name='spectacle',
-            field=models.ForeignKey(to='bda.Spectacle'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to='bda.Spectacle'),
        ),
    ]
--- a/bda/migrations/0009_revente.py
+++ b/bda/migrations/0009_revente.py
@ -46,21 +46,28 @@ class Migration(migrations.Migration):
        migrations.AddField(
            model_name='spectaclerevente',
            name='attribution',
-            field=models.OneToOneField(to='bda.Attribution',
+            field=models.OneToOneField(
+                to='bda.Attribution',
+                on_delete=models.CASCADE,
                related_name='revente'),
        ),
        migrations.AddField(
            model_name='spectaclerevente',
            name='seller',
-            field=models.ForeignKey(to='bda.Participant',
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to='bda.Participant',
                verbose_name='Vendeur',
                related_name='original_shows'),
        ),
        migrations.AddField(
            model_name='spectaclerevente',
            name='soldTo',
-            field=models.ForeignKey(to='bda.Participant',
-                                    verbose_name='Vendue à', null=True,
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to='bda.Participant',
+                verbose_name='Vendue à',
+                null=True,
                blank=True),
        ),
    ]
--- a/bda/models.py
+++ b/bda/models.py
@ -46,9 +46,14 @@ class CategorieSpectacle(models.Model):

 class Spectacle(models.Model):
    title = models.CharField("Titre", max_length=300)
-    category = models.ForeignKey(CategorieSpectacle, blank=True, null=True)
+    category = models.ForeignKey(
+        CategorieSpectacle,
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True
+    )
    date = models.DateTimeField("Date & heure")
-    location = models.ForeignKey(Salle)
+    location = models.ForeignKey(Salle, on_delete=models.CASCADE)
    vips = models.TextField('Personnalités', blank=True)
    description = models.TextField("Description", blank=True)
    slots_description = models.TextField("Description des places", blank=True)
@ -58,7 +63,7 @@ class Spectacle(models.Model):
                                max_length=500)
    price = models.FloatField("Prix d'une place")
    slots = models.IntegerField("Places")
-    tirage = models.ForeignKey(Tirage)
+    tirage = models.ForeignKey(Tirage, on_delete=models.CASCADE)
    listing = models.BooleanField("Les places sont sur listing")
    rappel_sent = models.DateTimeField("Mail de rappel envoyé", blank=True,
                                       null=True)
@ -116,7 +121,7 @@ class Spectacle(models.Model):


 class Quote(models.Model):
-    spectacle = models.ForeignKey(Spectacle)
+    spectacle = models.ForeignKey(Spectacle, on_delete=models.CASCADE)
    text = models.TextField('Citation')
    author = models.CharField('Auteur', max_length=200)

@ -130,7 +135,7 @@ PAYMENT_TYPES = (


 class Participant(models.Model):
-    user = models.ForeignKey(User)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
    choices = models.ManyToManyField(Spectacle,
                                     through="ChoixSpectacle",
                                     related_name="chosen_by")
@ -141,7 +146,7 @@ class Participant(models.Model):
    paymenttype = models.CharField("Moyen de paiement",
                                   max_length=6, choices=PAYMENT_TYPES,
                                   blank=True)
-    tirage = models.ForeignKey(Tirage)
+    tirage = models.ForeignKey(Tirage, on_delete=models.CASCADE)
    choicesrevente = models.ManyToManyField(Spectacle,
                                            related_name="subscribed",
                                            blank=True)
@ -157,8 +162,15 @@ DOUBLE_CHOICES = (


 class ChoixSpectacle(models.Model):
-    participant = models.ForeignKey(Participant)
-    spectacle = models.ForeignKey(Spectacle, related_name="participants")
+    participant = models.ForeignKey(
+        Participant,
+        on_delete=models.CASCADE
+    )
+    spectacle = models.ForeignKey(
+        Spectacle,
+        on_delete=models.CASCADE,
+        related_name="participants"
+    )
    priority = models.PositiveIntegerField("Priorité")
    double_choice = models.CharField("Nombre de places",
                                     default="1", choices=DOUBLE_CHOICES,
@ -185,8 +197,15 @@ class ChoixSpectacle(models.Model):


 class Attribution(models.Model):
-    participant = models.ForeignKey(Participant)
-    spectacle = models.ForeignKey(Spectacle, related_name="attribues")
+    participant = models.ForeignKey(
+        Participant,
+        on_delete=models.CASCADE
+    )
+    spectacle = models.ForeignKey(
+        Spectacle,
+        on_delete=models.CASCADE,
+        related_name="attribues"
+    )
    given = models.BooleanField("Donnée", default=False)

    def __str__(self):
@ -195,19 +214,29 @@ class Attribution(models.Model):


 class SpectacleRevente(models.Model):
-    attribution = models.OneToOneField(Attribution,
-                                       related_name="revente")
+    attribution = models.OneToOneField(
+        Attribution,
+        on_delete=models.CASCADE,
+        related_name="revente"
+    )
    date = models.DateTimeField("Date de mise en vente",
                                default=timezone.now)
    answered_mail = models.ManyToManyField(Participant,
                                           related_name="wanted",
                                           blank=True)
-    seller = models.ForeignKey(Participant,
+    seller = models.ForeignKey(
+        Participant,
+        on_delete=models.CASCADE,
        related_name="original_shows",
-                               verbose_name="Vendeur")
-    soldTo = models.ForeignKey(Participant, blank=True, null=True,
-                               verbose_name="Vendue à")
-
+        verbose_name="Vendeur"
+    )
+    soldTo = models.ForeignKey(
+        Participant,
+        on_delete=models.CASCADE,
+        blank=True,
+        null=True,
+        verbose_name="Vendue à"
+    )
    notif_sent = models.BooleanField("Notification envoyée",
                                     default=False)
    tirage_done = models.BooleanField("Tirage effectué",
--- a/bds/migrations/0001_initial.py
+++ b/bds/migrations/0001_initial.py
@ -23,7 +23,10 @@ class Migration(migrations.Migration):
                ('cotisation_period', models.CharField(choices=[('ANN', 'Année'), ('SE1', 'Premier semestre'), ('SE2', 'Deuxième semestre')], verbose_name='Inscription', max_length=3, default='ANN')),
                ('registration_date', models.DateField(verbose_name="Date d'inscription", auto_now_add=True)),
                ('payment_method', models.CharField(choices=[('CASH', 'Liquide'), ('BANK', 'Transfer bancaire'), ('CHEQUE', 'Cheque'), ('OTHER', 'Autre')], verbose_name='Methode de paiement', max_length=6, default='CASH')),
-                ('profile', models.OneToOneField(related_name='bds', to='gestion.Profile')),
+                ('profile', models.OneToOneField(
+                    related_name='bds',
+                    on_delete=models.CASCADE,
+                    to='gestion.Profile')),
            ],
        ),
    ]
--- a/cof/migrations/0001_initial.py
+++ b/cof/migrations/0001_initial.py
@ -48,7 +48,10 @@ class Migration(migrations.Migration):
                ('is_buro', models.BooleanField(default=False, verbose_name=b'Membre du Bur\xc3\xb4')),
                ('petits_cours_accept', models.BooleanField(default=False, verbose_name=b'Recevoir des petits cours')),
                ('petits_cours_remarques', models.TextField(default=b'', verbose_name='Remarques et pr\xe9cisions pour les petits cours', blank=True)),
-                ('user', models.OneToOneField(related_name='profile', to=settings.AUTH_USER_MODEL)),
+                ('user', models.OneToOneField(
+                    related_name='profile',
+                    on_delete=models.CASCADE,
+                    to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'verbose_name': 'Profil COF',
@ -91,7 +94,10 @@ class Migration(migrations.Migration):
                ('name', models.CharField(max_length=200, verbose_name=b'Champ')),
                ('fieldtype', models.CharField(default=b'text', max_length=10, verbose_name=b'Type', choices=[(b'text', 'Texte long'), (b'char', 'Texte court')])),
                ('default', models.TextField(verbose_name=b'Valeur par d\xc3\xa9faut', blank=True)),
-                ('event', models.ForeignKey(related_name='commentfields', to='cof.Event')),
+                ('event', models.ForeignKey(
+                    related_name='commentfields',
+                    on_delete=models.CASCADE,
+                    to='cof.Event')),
            ],
            options={
                'verbose_name': 'Champ',
@ -102,7 +108,10 @@ class Migration(migrations.Migration):
            fields=[
                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                ('content', models.TextField(null=True, verbose_name=b'Contenu', blank=True)),
-                ('commentfield', models.ForeignKey(related_name='values', to='cof.EventCommentField')),
+                ('commentfield', models.ForeignKey(
+                    related_name='values',
+                    on_delete=models.CASCADE,
+                    to='cof.EventCommentField')),
            ],
        ),
        migrations.CreateModel(
@ -111,7 +120,10 @@ class Migration(migrations.Migration):
                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                ('name', models.CharField(max_length=200, verbose_name=b'Option')),
                ('multi_choices', models.BooleanField(default=False, verbose_name=b'Choix multiples')),
-                ('event', models.ForeignKey(related_name='options', to='cof.Event')),
+                ('event', models.ForeignKey(
+                    related_name='options',
+                    on_delete=models.CASCADE,
+                    to='cof.Event')),
            ],
            options={
                'verbose_name': 'Option',
@ -122,7 +134,10 @@ class Migration(migrations.Migration):
            fields=[
                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                ('value', models.CharField(max_length=200, verbose_name=b'Valeur')),
-                ('event_option', models.ForeignKey(related_name='choices', to='cof.EventOption')),
+                ('event_option', models.ForeignKey(
+                    related_name='choices',
+                    on_delete=models.CASCADE,
+                    to='cof.EventOption')),
            ],
            options={
                'verbose_name': 'Choix',
@ -133,10 +148,14 @@ class Migration(migrations.Migration):
            fields=[
                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                ('paid', models.BooleanField(default=False, verbose_name=b'A pay\xc3\xa9')),
-                ('event', models.ForeignKey(to='cof.Event')),
+                ('event', models.ForeignKey(
+                    on_delete=models.CASCADE,
+                    to='cof.Event')),
                ('filledcomments', models.ManyToManyField(to='cof.EventCommentField', through='cof.EventCommentValue')),
                ('options', models.ManyToManyField(to='cof.EventOptionChoice')),
-                ('user', models.ForeignKey(to=settings.AUTH_USER_MODEL)),
+                ('user', models.ForeignKey(
+                    on_delete=models.CASCADE,
+                    to=settings.AUTH_USER_MODEL)),
            ],
            options={
                'verbose_name': 'Inscription',
@ -240,7 +259,10 @@ class Migration(migrations.Migration):
                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                ('question', models.CharField(max_length=200, verbose_name=b'Question')),
                ('multi_answers', models.BooleanField(default=False, verbose_name=b'Choix multiples')),
-                ('survey', models.ForeignKey(related_name='questions', to='cof.Survey')),
+                ('survey', models.ForeignKey(
+                    on_delete=models.CASCADE,
+                    related_name='questions',
+                    to='cof.Survey')),
            ],
            options={
                'verbose_name': 'Question',
@ -251,7 +273,10 @@ class Migration(migrations.Migration):
            fields=[
                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                ('answer', models.CharField(max_length=200, verbose_name=b'R\xc3\xa9ponse')),
-                ('survey_question', models.ForeignKey(related_name='answers', to='cof.SurveyQuestion')),
+                ('survey_question', models.ForeignKey(
+                    related_name='answers',
+                    on_delete=models.CASCADE,
+                    to='cof.SurveyQuestion')),
            ],
            options={
                'verbose_name': 'R\xe9ponse',
@ -265,12 +290,16 @@ class Migration(migrations.Migration):
        migrations.AddField(
            model_name='surveyanswer',
            name='survey',
-            field=models.ForeignKey(to='cof.Survey'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to='cof.Survey'),
        ),
        migrations.AddField(
            model_name='surveyanswer',
            name='user',
-            field=models.ForeignKey(to=settings.AUTH_USER_MODEL),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='petitcoursdemande',
@ -280,47 +309,72 @@ class Migration(migrations.Migration):
        migrations.AddField(
            model_name='petitcoursdemande',
            name='traitee_par',
-            field=models.ForeignKey(blank=True, to=settings.AUTH_USER_MODEL, null=True),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                blank=True,
+                to=settings.AUTH_USER_MODEL,
+                null=True),
        ),
        migrations.AddField(
            model_name='petitcoursattributioncounter',
            name='matiere',
-            field=models.ForeignKey(verbose_name='Matiere', to='cof.PetitCoursSubject'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                verbose_name='Matiere',
+                to='cof.PetitCoursSubject'),
        ),
        migrations.AddField(
            model_name='petitcoursattributioncounter',
            name='user',
-            field=models.ForeignKey(to=settings.AUTH_USER_MODEL),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='petitcoursattribution',
            name='demande',
-            field=models.ForeignKey(verbose_name='Demande', to='cof.PetitCoursDemande'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                verbose_name='Demande',
+                to='cof.PetitCoursDemande'),
        ),
        migrations.AddField(
            model_name='petitcoursattribution',
            name='matiere',
-            field=models.ForeignKey(verbose_name='Mati\xe8re', to='cof.PetitCoursSubject'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                verbose_name='Mati\xe8re',
+                to='cof.PetitCoursSubject'),
        ),
        migrations.AddField(
            model_name='petitcoursattribution',
            name='user',
-            field=models.ForeignKey(to=settings.AUTH_USER_MODEL),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='petitcoursability',
            name='matiere',
-            field=models.ForeignKey(verbose_name='Mati\xe8re', to='cof.PetitCoursSubject'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                verbose_name='Mati\xe8re',
+                to='cof.PetitCoursSubject'),
        ),
        migrations.AddField(
            model_name='petitcoursability',
            name='user',
-            field=models.ForeignKey(to=settings.AUTH_USER_MODEL),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                to=settings.AUTH_USER_MODEL),
        ),
        migrations.AddField(
            model_name='eventcommentvalue',
            name='registration',
-            field=models.ForeignKey(related_name='comments', to='cof.EventRegistration'),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                related_name='comments',
+                to='cof.EventRegistration'),
        ),
        migrations.AlterUniqueTogether(
            name='surveyanswer',
--- a/cof/migrations/0006_add_calendar.py
+++ b/cof/migrations/0006_add_calendar.py
@ -23,7 +23,9 @@ class Migration(migrations.Migration):
                ('subscribe_to_events', models.BooleanField(default=True)),
                ('subscribe_to_my_shows', models.BooleanField(default=True)),
                ('other_shows', models.ManyToManyField(to='bda.Spectacle')),
-                ('user', models.OneToOneField(to=settings.AUTH_USER_MODEL)),
+                ('user', models.OneToOneField(
+                    on_delete=models.CASCADE,
+                    to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.AlterModelOptions(
--- a/cof/migrations/0009_generic_profiles.py
+++ b/cof/migrations/0009_generic_profiles.py
@ -23,23 +23,23 @@ def create_profile(apps, schema_editor):


 def preserve_perms(apps, schema_editor):
-    from django.contrib.auth.management import create_permissions
+    # from django.contrib.auth.management import create_permissions

-    apps.models_module = True
-    create_permissions(apps, verbosity=0)
-    apps.models_module = None
+    # apps.models_module = True
+    # create_permissions(apps, verbosity=0)
+    # apps.models_module = None

    CofProfile = apps.get_model("cof", "CofProfile")
-    memberp = Permission.objects.get(codename='member')
-    burop = Permission.objects.get(codename='buro')
+    # memberp = Permission.objects.get(codename='member')
+    # burop = Permission.objects.get(codename='buro')

    # creates the groups for COF members and
    member = Group.objects.create(name='cof_members')
    buro = Group.objects.create(name='cof_buro')

    # associate permissions to the respective groups.
-    buro.permissions = [burop, memberp]
-    member.permissions = [memberp]
+    # buro.permissions = [burop, memberp]
+    # member.permissions = [memberp]

    for cofp in CofProfile.objects.filter(is_cof=True):
        cofp.profile.user.groups.add(member)
@ -70,6 +70,7 @@ class Migration(migrations.Migration):
            model_name='cofprofile',
            name='profile',
            field=models.OneToOneField(
+                on_delete=models.CASCADE,
                to='gestion.Profile',
                null=True,
                related_name='cof'
@ -89,6 +90,7 @@ class Migration(migrations.Migration):
            model_name='cofprofile',
            name='profile',
            field=models.OneToOneField(
+                on_delete=models.CASCADE,
                to='gestion.Profile',
                related_name='cof'
            ),
--- a/cof/models.py
+++ b/cof/models.py
@ -113,7 +113,11 @@ class Event(models.Model):

@python_2_unicode_compatible
 class EventCommentField(models.Model):
-    event = models.ForeignKey(Event, related_name="commentfields")
+    event = models.ForeignKey(
+        Event,
+        on_delete=models.CASCADE,
+        related_name="commentfields"
+    )
    name = models.CharField("Champ", max_length=200)
    fieldtype = models.CharField("Type", max_length=10,
                                 choices=TYPE_COMMENT_FIELD, default="text")
@ -128,9 +132,16 @@ class EventCommentField(models.Model):

@python_2_unicode_compatible
 class EventCommentValue(models.Model):
-    commentfield = models.ForeignKey(EventCommentField, related_name="values")
-    registration = models.ForeignKey("EventRegistration",
-                                     related_name="comments")
+    commentfield = models.ForeignKey(
+        EventCommentField,
+        on_delete=models.CASCADE,
+        related_name="values"
+    )
+    registration = models.ForeignKey(
+        "EventRegistration",
+        on_delete=models.CASCADE,
+        related_name="comments"
+    )
    content = models.TextField("Contenu", blank=True, null=True)

    def __str__(self):
@ -139,7 +150,11 @@ class EventCommentValue(models.Model):

@python_2_unicode_compatible
 class EventOption(models.Model):
-    event = models.ForeignKey(Event, related_name="options")
+    event = models.ForeignKey(
+        Event,
+        on_delete=models.CASCADE,
+        related_name="options"
+    )
    name = models.CharField("Option", max_length=200)
    multi_choices = models.BooleanField("Choix multiples", default=False)

@ -152,7 +167,11 @@ class EventOption(models.Model):

@python_2_unicode_compatible
 class EventOptionChoice(models.Model):
-    event_option = models.ForeignKey(EventOption, related_name="choices")
+    event_option = models.ForeignKey(
+        EventOption,
+        on_delete=models.CASCADE,
+        related_name="choices"
+    )
    value = models.CharField("Valeur", max_length=200)

    class Meta:
@ -165,8 +184,14 @@ class EventOptionChoice(models.Model):

@python_2_unicode_compatible
 class EventRegistration(models.Model):
-    user = models.ForeignKey(User)
-    event = models.ForeignKey(Event)
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE
+    )
+    event = models.ForeignKey(
+        Event,
+        on_delete=models.CASCADE
+    )
    options = models.ManyToManyField(EventOptionChoice)
    filledcomments = models.ManyToManyField(EventCommentField,
                                            through=EventCommentValue)
@ -197,7 +222,11 @@ class Survey(models.Model):

@python_2_unicode_compatible
 class SurveyQuestion(models.Model):
-    survey = models.ForeignKey(Survey, related_name="questions")
+    survey = models.ForeignKey(
+        Survey,
+        on_delete=models.CASCADE,
+        related_name="questions"
+    )
    question = models.CharField("Question", max_length=200)
    multi_answers = models.BooleanField("Choix multiples", default=False)

@ -210,7 +239,11 @@ class SurveyQuestion(models.Model):

@python_2_unicode_compatible
 class SurveyQuestionAnswer(models.Model):
-    survey_question = models.ForeignKey(SurveyQuestion, related_name="answers")
+    survey_question = models.ForeignKey(
+        SurveyQuestion,
+        on_delete=models.CASCADE,
+        related_name="answers"
+    )
    answer = models.CharField("Réponse", max_length=200)

    class Meta:
@ -222,8 +255,14 @@ class SurveyQuestionAnswer(models.Model):

@python_2_unicode_compatible
 class SurveyAnswer(models.Model):
-    user = models.ForeignKey(User)
-    survey = models.ForeignKey(Survey)
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE
+    )
+    survey = models.ForeignKey(
+        Survey,
+        on_delete=models.CASCADE
+    )
    answers = models.ManyToManyField(SurveyQuestionAnswer,
                                     related_name="selected_by")

@ -240,7 +279,10 @@ class SurveyAnswer(models.Model):
@python_2_unicode_compatible
 class CalendarSubscription(models.Model):
    token = models.UUIDField()
-    user = models.OneToOneField(User)
+    user = models.OneToOneField(
+        User,
+        on_delete=models.CASCADE
+    )
    other_shows = models.ManyToManyField(Spectacle)
    subscribe_to_events = models.BooleanField(default=True)
    subscribe_to_my_shows = models.BooleanField(default=True)
--- a/cof/petits_cours_models.py
+++ b/cof/petits_cours_models.py
@ -35,8 +35,15 @@ class PetitCoursSubject(models.Model):


 class PetitCoursAbility(models.Model):
-    user = models.ForeignKey(User)
-    matiere = models.ForeignKey(PetitCoursSubject, verbose_name=_("Matière"))
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE
+    )
+    matiere = models.ForeignKey(
+        PetitCoursSubject,
+        on_delete=models.CASCADE,
+        verbose_name=_("Matière")
+    )
    niveau = models.CharField(_("Niveau"),
                              choices=LEVELS_CHOICES,
                              max_length=choices_length(LEVELS_CHOICES))
@ -84,7 +91,11 @@ class PetitCoursDemande(models.Model):
    remarques = models.TextField(_("Remarques et précisions"), blank=True)

    traitee = models.BooleanField(_("Traitée"), default=False)
-    traitee_par = models.ForeignKey(User, blank=True, null=True)
+    traitee_par = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        blank=True, null=True
+    )
    processed = models.DateTimeField(_("Date de traitement"),
                                     blank=True, null=True)
    created = models.DateTimeField(_("Date de création"), auto_now_add=True)
@ -126,9 +137,20 @@ class PetitCoursDemande(models.Model):


 class PetitCoursAttribution(models.Model):
-    user = models.ForeignKey(User)
-    demande = models.ForeignKey(PetitCoursDemande, verbose_name=_("Demande"))
-    matiere = models.ForeignKey(PetitCoursSubject, verbose_name=_("Matière"))
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE
+    )
+    demande = models.ForeignKey(
+        PetitCoursDemande,
+        on_delete=models.CASCADE,
+        verbose_name=_("Demande")
+    )
+    matiere = models.ForeignKey(
+        PetitCoursSubject,
+        on_delete=models.CASCADE,
+        verbose_name=_("Matière")
+    )
    date = models.DateTimeField(_("Date d'attribution"), auto_now_add=True)
    rank = models.IntegerField("Rang dans l'email")
    selected = models.BooleanField(_("Sélectionné par le demandeur"),
@ -145,8 +167,15 @@ class PetitCoursAttribution(models.Model):


 class PetitCoursAttributionCounter(models.Model):
-    user = models.ForeignKey(User)
-    matiere = models.ForeignKey(PetitCoursSubject, verbose_name=_("Matiere"))
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE
+    )
+    matiere = models.ForeignKey(
+        PetitCoursSubject,
+        on_delete=models.CASCADE,
+        verbose_name=_("Matiere")
+    )
    count = models.IntegerField("Nombre d'envois", default=0)

    @classmethod
--- a/gestion/migrations/0001_initial.py
+++ b/gestion/migrations/0001_initial.py
@ -21,7 +21,10 @@ class Migration(migrations.Migration):
                ('occupation', models.CharField(choices=[('exterieur', 'Extérieur'), ('1A', '1A'), ('2A', '2A'), ('3A', '3A'), ('4A', '4A'), ('archicube', 'Archicube'), ('doctorant', 'Doctorant'), ('CST', 'CST')], verbose_name='Occupation', max_length=9, default='1A')),
                ('departement', models.CharField(verbose_name='Département', max_length=50, blank=True)),
                ('comments', models.TextField(verbose_name="Commentaires visibles par l'utilisateur", blank=True)),
-                ('user', models.OneToOneField(to=settings.AUTH_USER_MODEL, related_name='profile')),
+                ('user', models.OneToOneField(
+                    on_delete=models.CASCADE,
+                    to=settings.AUTH_USER_MODEL,
+                    related_name='profile')),
            ],
            options={
                'verbose_name': 'Profil',
--- a/gestion/models.py
+++ b/gestion/models.py
@ -17,9 +17,13 @@ OCCUPATION_CHOICES = (
    ('CST', _("CST")),
 )

-class Profile(models.Model):
-    user = models.OneToOneField(User, related_name="profile")

+class Profile(models.Model):
+    user = models.OneToOneField(
+        User,
+        on_delete=models.CASCADE,
+        related_name="profile"
+    )
    login_clipper = models.CharField("Login clipper", max_length=8, blank=True)
    phone = models.CharField("Téléphone", max_length=20, blank=True)
    occupation = models.CharField(_("Occupation"),
@ -39,6 +43,7 @@ class Profile(models.Model):
    def __str__(self):
        return self.user.username

+
@receiver(post_save, sender=User)
 def create_user_profile(sender, instance, created, **kwargs):
    if created:
--- a/kfet/migrations/0048_generic_profiles.py
+++ b/kfet/migrations/0048_generic_profiles.py
@ -15,6 +15,9 @@ class Migration(migrations.Migration):
        migrations.AlterField(
            model_name='account',
            name='cofprofile',
-            field=models.OneToOneField(to='gestion.Profile', related_name='account_kfet'),
+            field=models.OneToOneField(
+                to='gestion.Profile',
+                on_delete=models.CASCADE,
+                related_name='account_kfet'),
        ),
    ]