upgraded code to django-3.2.8 and python-3.8.10

cookbook/migrations/0001_initial.py

@@ -0,0 +1,53 @@
+# Generated by Django 3.2.8 on 2022-12-22 08:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Food',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+            ],
+            options={
+                'default_related_name': 'foods',
+            },
+        ),
+        migrations.CreateModel(
+            name='Ingredient',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('amount', models.DecimalField(blank=True, decimal_places=3, max_digits=6, null=True)),
+                ('unit_of_measure', models.CharField(max_length=255)),
+                ('desc', models.TextField()),
+                ('food', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='cookbook.food')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Recipe',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('desc', models.TextField(blank=True, null=True)),
+                ('instructions', models.TextField(blank=True, null=True)),
+                ('ingredients', models.ManyToManyField(related_name='recipes', through='cookbook.Ingredient', to='cookbook.Food')),
+            ],
+            options={
+                'default_related_name': 'recipes',
+            },
+        ),
+        migrations.AddField(
+            model_name='ingredient',
+            name='recipe',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='cookbook.recipe'),
+        ),
+    ]

cookbook/models.py

@@ -40,9 +40,9 @@ def __unicode__(self):
 class Ingredient(models.Model):
     """A food that is used in a recipe."""
 
-    recipe = models.ForeignKey(Recipe)
+    recipe = models.ForeignKey(Recipe, on_delete=models.CASCADE)
 
-    food = models.ForeignKey(Food)
+    food = models.ForeignKey(Food, on_delete=models.CASCADE)
 
     # ex. 1/8 = 0.125, 1/4 = 0.250
     amount = models.DecimalField(max_digits=6, decimal_places=3,

example/settings.py

@@ -45,13 +45,12 @@
 
 INSTALLED_APPS = DEFAULT_APPS + THIRD_PARTY_APPS + LOCAL_APPS
 
-MIDDLEWARE_CLASSES = [
+MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
-    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]

requirements.txt

@@ -1,5 +1,5 @@
-Django==1.9.8
-django-debug-toolbar==1.5
-django-redis==4.4.4
-redis==2.10.5
-sqlparse==0.2.0
+Django==3.2.8
+django-debug-toolbar==3.8.1
+django-redis==5.2.0
+redisredis==4.4.0
+sqlparse==0.4.3