use correct module uniqeness constraint

modules/migrations/0002_auto_20240204_2214.py

@@ -0,0 +1,33 @@
+# Generated by Django 3.2.23 on 2024-02-04 22:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('arch', '0001_initial'),
+        ('modules', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='module',
+            name='context',
+            field=models.CharField(max_length=255),
+        ),
+        migrations.AlterField(
+            model_name='module',
+            name='name',
+            field=models.CharField(max_length=255),
+        ),
+        migrations.AlterField(
+            model_name='module',
+            name='stream',
+            field=models.CharField(max_length=255),
+        ),
+        migrations.AlterUniqueTogether(
+            name='module',
+            unique_together={('name', 'stream', 'version', 'context', 'arch')},
+        ),
+    ]

modules/models.py

@@ -24,17 +24,18 @@
 
 class Module(models.Model):
 
-    name = models.CharField(unique=True, max_length=255)
-    stream = models.CharField(unique=True, max_length=255)
+    name = models.CharField(max_length=255)
+    stream = models.CharField(max_length=255)
     version = models.CharField(max_length=255)
-    context = models.CharField(unique=True, max_length=255)
+    context = models.CharField(max_length=255)
     arch = models.ForeignKey(PackageArchitecture, on_delete=models.CASCADE)
     repo = models.ForeignKey(Repository, on_delete=models.CASCADE)
     packages = models.ManyToManyField(Package, blank=True)
 
     class Meta:
         verbose_name = 'Module'
         verbose_name_plural = 'Modules'
+        unique_together = ('name', 'stream', 'version', 'context', 'arch',)
         ordering = ('name',)
 
     def __str__(self):