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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import migrations, models
import settings
def populate_layerbranch(apps, schema_editor):
RecipeUpstreamHistory = apps.get_model('rrs', 'RecipeUpstreamHistory')
LayerBranch = apps.get_model('layerindex', 'LayerBranch')
if not settings.CORE_LAYER_NAME:
raise Exception('Please set CORE_LAYER_NAME in settings.py')
core_layerbranch = LayerBranch.objects.filter(layer__name=settings.CORE_LAYER_NAME).first()
if not core_layerbranch:
raise Exception('Unable to find core layer "%s" specified in CORE_LAYER_NAME in settings.py' % settings.CORE_LAYER_NAME)
for row in RecipeUpstreamHistory.objects.all():
row.layerbranch = core_layerbranch
row.save()
class Migration(migrations.Migration):
dependencies = [
('rrs', '0012_reup_layerbranch_field'),
]
operations = [
migrations.RunPython(populate_layerbranch, reverse_code=migrations.RunPython.noop),
]
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