cleanup

netbox/dcim/signals.py

@@ -6,6 +6,7 @@ from django.dispatch import receiver
 
 from dcim.choices import CableEndChoices, LinkStatusChoices
 from ipam.models import Prefix
+from netbox.signals import post_raw_create
 from virtualization.models import Cluster, VMInterface
 from wireless.models import WirelessLAN
 
@@ -166,6 +167,27 @@ def retrace_cable_paths(instance, **kwargs):
         cablepath.retrace()
 
 
+@receiver(post_raw_create, sender=Cable)
+def retrace_cable_paths_after_raw_create(sender, pks, **kwargs):
+    """
+    When Cables are created via a raw save, the normal Cable.save() path is bypassed,
+    so trace_paths is never sent. Retrace paths for all newly created cables.
+
+    Callers must only send this signal after all CableTerminations for the given cables
+    have been applied. If a cable has no terminations, update_connected_endpoints will
+    find empty termination lists and skip path creation — so this is safe to call even
+    if terminations are absent, but path tracing will have no effect.
+
+    Note: raw=False (the default) is intentional here — we explicitly want
+    update_connected_endpoints to run, unlike during fixture loading (raw=True).
+    """
+    logger = logging.getLogger('netbox.dcim.cable')
+    for cable in Cable.objects.filter(pk__in=pks):
+        cable._terminations_modified = True
+        trace_paths.send(Cable, instance=cable, created=True)
+        logger.debug(f"Retraced cable paths for Cable {cable.pk}")
+
+
 @receiver((post_delete, post_save), sender=PortMapping)
 def update_passthrough_port_paths(instance, **kwargs):
     """

netbox/netbox/signals.py

@@ -2,3 +2,10 @@ from django.dispatch import Signal
 
 # Signals that a model has completed its clean() method
 post_clean = Signal()
+
+# Sent after objects of a given model are created via raw save.
+# Expected call signature: post_raw_create.send(sender=MyModel, pks=[...])
+# Provides: pks (list) - PKs of the newly created objects.
+# Callers must ensure all related objects (e.g. M2M, dependent rows) are in place
+# before sending, as receivers may query related data to perform post-create work.
+post_raw_create = Signal()