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48 lines
1.4 KiB
48 lines
1.4 KiB
# Generated by Django 2.2.7 on 2019-12-06 08:07
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import assets.models.asset
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from django.db import migrations, models
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import django.db.models.deletion
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def migrate_platform_to_asset_type(apps, schema_editor):
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asset_model = apps.get_model("assets", "Asset")
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platform_model = apps.get_model("assets", "Platform")
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db_alias = schema_editor.connection.alias
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platforms = platform_model.objects.using(db_alias).all()
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platforms_map = {p.name: p for p in platforms}
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for name, p in platforms_map.items():
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asset_model.objects.using(db_alias)\
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.filter(_platform=name)\
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.update(platform=p)
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class Migration(migrations.Migration):
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dependencies = [
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('assets', '0044_platform'),
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]
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operations = [
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migrations.RenameField(
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model_name='asset',
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old_name='platform',
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new_name='_platform',
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),
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migrations.AddField(
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model_name='asset',
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name='platform',
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field=models.ForeignKey(
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default='',
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on_delete=django.db.models.deletion.PROTECT,
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related_name='assets', to='assets.Platform',
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verbose_name='Platform'),
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),
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migrations.RunPython(migrate_platform_to_asset_type),
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migrations.RemoveField(
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model_name='asset',
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name='_platform',
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),
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]
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