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17 lines
530 B
Python
17 lines
530 B
Python
from __future__ import unicode_literals
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from django.db.models.signals import post_delete
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from django.dispatch import receiver
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from .models import VCMembership
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@receiver(post_delete, sender=VCMembership)
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def delete_empty_vc(instance, **kwargs):
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"""
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When the last VCMembership of a VirtualChassis has been deleted, delete the VirtualChassis as well.
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"""
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virtual_chassis = instance.virtual_chassis
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if not VCMembership.objects.filter(virtual_chassis=virtual_chassis).exists():
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virtual_chassis.delete()
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