zulip/zerver/migrations/0359_re2_linkifiers.py

39 lines
1.2 KiB
Python

import re2
from django.db import migrations
from django.db.backends.base.schema import BaseDatabaseSchemaEditor
from django.db.migrations.state import StateApps
def delete_re2_invalid(apps: StateApps, schema_editor: BaseDatabaseSchemaEditor) -> None:
options = re2.Options()
options.log_errors = False
RealmFilter = apps.get_model("zerver", "RealmFilter")
found_errors = False
for linkifier in RealmFilter.objects.all():
try:
re2.compile(linkifier.pattern, options=options)
except re2.error:
if not found_errors:
print()
found_errors = True
print(
f"Deleting linkifier {linkifier.id} in realm {linkifier.realm.string_id} which is not compatible with new re2 engine:"
)
print(f" {linkifier.pattern} -> {linkifier.url_format_string}")
linkifier.delete()
class Migration(migrations.Migration):
dependencies = [
("zerver", "0325_alter_realmplayground_unique_together"),
]
operations = [
migrations.RunPython(
delete_re2_invalid,
reverse_code=migrations.RunPython.noop,
elidable=True,
)
]