Files
zulip/zerver/migrations/0037_disallow_null_string_id.py
Aman Agrawal 47bf111de8 migrations: Mark RunPython statements elidable.
This will make django automatically remove them when we run
squashmigrations. There are still some RunSQL statements which
we will have to take care of manually.
2020-04-29 10:41:20 -07:00

42 lines
1.4 KiB
Python

from django.db import migrations, models
from django.db.backends.postgresql.schema import DatabaseSchemaEditor
from django.db.migrations.state import StateApps
from django.db.utils import IntegrityError
def set_string_id_using_domain(apps: StateApps, schema_editor: DatabaseSchemaEditor) -> None:
Realm = apps.get_model('zerver', 'Realm')
for realm in Realm.objects.all():
if not realm.string_id:
prefix = realm.domain.split('.')[0]
try:
realm.string_id = prefix
realm.save(update_fields=["string_id"])
continue
except IntegrityError:
pass
for i in range(1, 100):
try:
realm.string_id = prefix + str(i)
realm.save(update_fields=["string_id"])
continue
except IntegrityError:
pass
raise RuntimeError("Unable to find a good string_id for realm %s" % (realm,))
class Migration(migrations.Migration):
dependencies = [
('zerver', '0036_rename_subdomain_to_string_id'),
]
operations = [
migrations.RunPython(set_string_id_using_domain, elidable=True),
migrations.AlterField(
model_name='realm',
name='string_id',
field=models.CharField(unique=True, max_length=40),
),
]