OpenSlides/server/openslides/assignments/migrations/0014_remove_deprecated_slides.py

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from django.db import migrations
def remove_deprecated_slides(apps, schema_editor):
Projector = apps.get_model("core", "Projector")
for projector in Projector.objects.all():
new_history = []
for entry in projector.elements_history:
new_entry = []
for subentry in entry:
if subentry["name"] != "assignments/poll":
new_entry.append(subentry)
if len(new_entry):
new_history.append(new_entry)
projector.elements_history = new_history
projector.save(skip_autoupdate=True)
class Migration(migrations.Migration):
dependencies = [
("assignments", "0013_rename_verbose_poll_types"),
]
operations = [
migrations.RunPython(remove_deprecated_slides),
]