# -*- coding: utf-8 -*-
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# Generated by Django 1.11.1 on 2017-11-30 15:41
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from __future__ import unicode_literals
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from django.db import migrations, models
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import uuid, os, pickle, tempfile
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from webodm import settings
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tasks = []
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task_ids = {} # map old task IDs --> new task IDs
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def task_path(project_id, task_id):
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return os.path.join(settings.MEDIA_ROOT,
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"project",
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str(project_id),
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"task",
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str(task_id))
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def rename_task_folders(apps, schema_editor):
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global tasks, task_ids
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for t in tasks:
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print("Checking task {}".format(t['id']))
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current_path = task_path(t['project'], t['id'])
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if os.path.exists(current_path):
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new_path = task_path(t['project'], task_ids[t['id']])
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print("Migrating {} --> {}".format(current_path, new_path))
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os.rename(current_path, new_path)
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def create_uuids(apps, schema_editor):
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global tasks, task_ids
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Task = apps.get_model('app', 'Task')
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for task in tasks:
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print(task)
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t = Task.objects.get(id=task['id'])
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t.new_id = task['new_id']
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t.save()
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if len(tasks) > 0: print("Created UUIDs")
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def restore(apps, schema_editor):
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global tasks, task_ids
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tmp_path = os.path.join(tempfile.gettempdir(), "public_task_uuids_migration.pickle")
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tasks, task_ids = pickle.load(open(tmp_path, 'rb'))
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class Migration(migrations.Migration):
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dependencies = [
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('app', '0012_public_task_uuids'),
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]
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operations = [
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migrations.RunPython(restore),
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migrations.RunPython(create_uuids),
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migrations.RunPython(rename_task_folders),
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]
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