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#15390 add trace signal if cable terminatiions changed

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Arthur 2025-05-29 13:52:00 -07:00
parent 0c6726d40f
commit 4739f27c14
1 changed files with 32 additions and 0 deletions
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32
netbox/dcim/models/cables.py
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@ -220,6 +220,7 @@ class Cable(PrimaryModel):
b_terminations = {ct.termination: ct for ct in self.terminations.filter(cable_end='B')}
# Delete stale CableTerminations
if self._terminations_modified:
for termination, ct in a_terminations.items():
if termination.pk and termination not in self.a_terminations:
@ -312,6 +313,12 @@ class CableTermination(ChangeLoggedModel):
def __str__(self):
return f'Cable {self.cable} to {self.termination}'
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._orig_cable = self.__dict__.get('cable')
self._orig_cable_end = self.__dict__.get('cable_end')
def clean(self):
super().clean()
@ -349,6 +356,7 @@ class CableTermination(ChangeLoggedModel):
# Cache objects associated with the terminating object (for filtering)
self.cache_related_objects()
created = self.pk is None
super().save(*args, **kwargs)
@ -359,6 +367,29 @@ class CableTermination(ChangeLoggedModel):
termination.cable_end = self.cable_end
termination.save()
# figure out which cable terminations changed
update_cable_termination = False
update_orig_cable_termination = False
if created:
update_cable_termination = True
else:
if self._orig_cable and self._orig_cable != self.cable:
update_cable_termination = True
update_orig_cable_termination = True
elif self._orig_cable_end and self._orig_cable_end != self.cable_end:
update_cable_termination = True
if update_cable_termination:
self.cable._terminations_modified = True
trace_paths.send(Cable, instance=self.cable, created=False)
if update_orig_cable_termination:
self._orig_cable._terminations_modified = True
trace_paths.send(Cable, instance=self._orig_cable, created=False)
self._orig_cable_end = self.cable_end
self._orig_cable = self.cable
def delete(self, *args, **kwargs):
# Delete the cable association on the terminating object
@ -369,6 +400,7 @@ class CableTermination(ChangeLoggedModel):
termination.save()
super().delete(*args, **kwargs)
trace_paths.send(Cable, instance=self.cable, created=False)
def cache_related_objects(self):
"""