Initial work on cable paths (WIP)

netbox/dcim/migrations/0120_cablepath.py

@@ -0,0 +1,27 @@
+# Generated by Django 3.1 on 2020-09-30 18:09
+
+import dcim.fields
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('dcim', '0119_inventoryitem_mptt_rebuild'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CablePath',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False)),
+                ('origin_id', models.PositiveIntegerField()),
+                ('destination_id', models.PositiveIntegerField(blank=True, null=True)),
+                ('path', dcim.fields.PathField(base_field=models.CharField(max_length=40), size=None)),
+                ('destination_type', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='contenttypes.contenttype')),
+                ('origin_type', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='+', to='contenttypes.contenttype')),
+            ],
+        ),
+    ]