Attempt to fix migrations
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import uuid
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from django.db import migrations, models
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def fill_mymodel_uuid(apps, schema_editor):
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db_alias = schema_editor.connection.alias
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MyModel = apps.get_model('core', 'User')
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for obj in MyModel.objects.using(db_alias).all():
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obj.uuid = uuid.uuid4()
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obj.save()
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class Migration(migrations.Migration):
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""" Change model with integer pk to UUID pk. This migration presumes there
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are no db constraints (foreign keys) to this table.
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"""
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dependencies = [
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('core', '0074_remove_session_plan_remove_session_user_and_more'),
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]
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operations = [
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migrations.AddField(
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model_name='user',
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name='uuid',
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field=models.UUIDField(null=True),
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),
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migrations.RunPython(fill_mymodel_uuid, migrations.RunPython.noop),
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migrations.AlterField(
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model_name='user',
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name='uuid',
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field=models.UUIDField(default=uuid.uuid4, serialize=False, editable=False, unique=True),
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),
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migrations.RemoveField('User', 'id'),
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migrations.RenameField(
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model_name='user',
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old_name='uuid',
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new_name='id'
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),
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migrations.AlterField(
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model_name='user',
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name='id',
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field=models.UUIDField(primary_key=True, default=uuid.uuid4, serialize=False, editable=False, unique=True),
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),
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]
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