src/archive/migrations/0012_url_to_slug.py

   1 # Generated by Django 3.0.6 on 2020-05-29 11:57
   2
   3 from django.db import migrations
   4
   5
   6 def url_to_slug(apps, schema_editor):
   7     Audiobook = apps.get_model('archive', 'Audiobook')
   8     for a in Audiobook.objects.all():
   9         a.slug = a.url.rstrip().rstrip('/').rsplit('/', 1)[-1]
  10         a.save()
  11
  12 def slug_to_url(apps, schema_editor):
  13     Audiobook = apps.get_model('archive', 'Audiobook')
  14     for a in Audiobook.objects.all():
  15         a.url = 'https://wolnelektury.pl/katalog/lektura/{}/'.format(a.slug)
  16         a.save()
  17
  18
  19 class Migration(migrations.Migration):
  20
  21     dependencies = [
  22         ('archive', '0011_audiobook_slug'),
  23     ]
  24
  25     operations = [
  26         migrations.RunPython(
  27             url_to_slug,
  28             slug_to_url
  29         )
  30     ]