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netbox-community-netbox/netbox/circuits/migrations/0028_cache_circuit_terminations.py
2021-04-01 10:21:41 -04:00

38 lines
1.0 KiB
Python

import sys
from django.db import migrations
def cache_circuit_terminations(apps, schema_editor):
Circuit = apps.get_model('circuits', 'Circuit')
CircuitTermination = apps.get_model('circuits', 'CircuitTermination')
if 'test' not in sys.argv:
print(f"\n Caching circuit terminations...", flush=True)
a_terminations = {
ct.circuit_id: ct.pk for ct in CircuitTermination.objects.filter(term_side='A')
}
z_terminations = {
ct.circuit_id: ct.pk for ct in CircuitTermination.objects.filter(term_side='Z')
}
for circuit in Circuit.objects.all():
Circuit.objects.filter(pk=circuit.pk).update(
termination_a_id=a_terminations.get(circuit.pk),
termination_z_id=z_terminations.get(circuit.pk),
)
class Migration(migrations.Migration):
dependencies = [
('circuits', '0027_providernetwork'),
]
operations = [
migrations.RunPython(
code=cache_circuit_terminations,
reverse_code=migrations.RunPython.noop
),
]