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@@ -1,12 +1,23 @@
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from django.db import migrations
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import mptt.managers
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+import mptt.models
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def rebuild_mptt(apps, schema_editor):
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- manager = mptt.managers.TreeManager()
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+ """
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+ Rebuild the MPTT tree for ModuleBay to apply new ordering.
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+ """
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ModuleBay = apps.get_model('dcim', 'ModuleBay')
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+
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+ # Set MPTTMeta with the correct order_insertion_by
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+ class MPTTMeta:
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+ order_insertion_by = ('module', 'name',)
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+
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+ ModuleBay.MPTTMeta = MPTTMeta
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+ ModuleBay._mptt_meta = mptt.models.MPTTOptions(MPTTMeta)
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+
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+ manager = mptt.managers.TreeManager()
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manager.model = ModuleBay
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- mptt.register(ModuleBay)
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manager.contribute_to_class(ModuleBay, 'objects')
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manager.rebuild()
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Arthur