hoelee/tubesync
1
0
Fork 0
mirror of https://github.com/meeb/tubesync.git synced 2025-06-24 14:06:36 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Create 0032_metadata_transfer.py

Browse Source
This commit is contained in:
tcely 2025-04-23 15:19:06 -04:00 committed by GitHub
parent ba22aa2a47
commit 33acb5fc26
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 36 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
tubesync/sync/migrations/0032_metadata_transfer.py Normal file
View File

@ -0,0 +1,36 @@
# Hand-crafted data migration
from django.db import migrations
from common.utils import django_queryset_generator as qs_gen
def use_tables(apps, schema_editor):
Media = apps.get_model('sync', 'Media')
qs = Media.objects.filter(metadata__isnull=False)
for media in qs_gen(qs):
media.save_to_metadata('migrated', True)
def restore_metadata_column(apps, schema_editor):
Media = apps.get_model('sync', 'Media')
qs = Media.objects.filter(metadata__isnull=False)
for media in qs_gen(qs):
metadata = media.loaded_metadata
del metadata['migrated']
del metadata['_using_table']
media.metadata = media.metadata_dumps(arg_dict=metadata)
media.save()
class Migration(migrations.Migration):
dependencies = [
('sync', '0031_squashed_metadata_metadataformat'),
]
operations = [
migrations.RunPython(
code=use_tables,
reverse_code=restore_metadata_column,
),
]