Solution

db/migrations/0001_initial.py

@@ -0,0 +1,52 @@
+# Generated by Django 4.0.2 on 2023-08-22 10:16
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Guild',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('description', models.TextField(null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Race',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('description', models.TextField(blank=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Skill',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('bonus', models.CharField(max_length=255)),
+                ('race', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='db.race')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Player',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('nickname', models.CharField(max_length=255, unique=True)),
+                ('email', models.CharField(max_length=255)),
+                ('bio', models.CharField(max_length=255)),
+                ('created_at', models.DateTimeField(auto_now=True)),
+                ('guild', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='db.guild')),
+                ('race', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='db.race')),
+            ],
+        ),
+    ]

db/migrations/0002_alter_player_email.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0.2 on 2023-08-22 12:33
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='player',
+            name='email',
+            field=models.EmailField(max_length=255),
+        ),
+    ]

db/models.py

@@ -1 +1,26 @@
 from django.db import models
+
+
+class Race(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    description = models.TextField(blank=True)
+
+
+class Skill(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    bonus = models.CharField(max_length=255)
+    race = models.ForeignKey(Race, on_delete=models.CASCADE)
+
+
+class Guild(models.Model):
+    name = models.CharField(max_length=255, unique=True)
+    description = models.TextField(null=True)
+
+
+class Player(models.Model):
+    nickname = models.CharField(max_length=255, unique=True)
+    email = models.EmailField(max_length=255)
+    bio = models.CharField(max_length=255)
+    race = models.ForeignKey(Race, on_delete=models.CASCADE)
+    guild = models.ForeignKey(Guild, null=True, on_delete=models.SET_NULL)
+    created_at = models.DateTimeField(auto_now=True)

main.py

@@ -1,10 +1,40 @@
 import init_django_orm  # noqa: F401
+import json
 
 from db.models import Race, Skill, Player, Guild
 
 
 def main() -> None:
-    pass
+    with open("players.json") as players:
+        players_data = json.load(players)
+
+    for player_nickname, player_attributes in players_data.items():
+        race, created = Race.objects.get_or_create(
+            name=player_attributes["race"]["name"],
+            description=player_attributes["race"]["description"]
+        )
+        if created:
+            for skill in player_attributes["race"].get("skills", []):
+                Skill.objects.create(
+                    name=skill["name"],
+                    bonus=skill["bonus"],
+                    race=race
+                )
+
+        guild = None
+        if player_attributes.get("guild"):
+            guild, created = Guild.objects.get_or_create(
+                name=player_attributes["guild"]["name"],
+                description=player_attributes["guild"]["description"]
+            )
+
+        player, created = Player.objects.get_or_create(
+            nickname=player_nickname,
+            email=player_attributes["email"],
+            bio=player_attributes["bio"],
+            race=race,
+            guild=guild
+        )
 
 
 if __name__ == "__main__":