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Add a new auto-slug field that is concurrency resistent

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This commit is contained in:
Swen Kooij
2017-02-02 10:58:04 +02:00
parent 1adcd5a399
commit a48eb12370
6 changed files with 63 additions and 15 deletions
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19
localized_fields/db_backend/base.py
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@@ -5,6 +5,8 @@ from django.core.exceptions import ImproperlyConfigured
from django.db.backends.postgresql.base import \
DatabaseWrapper as Psycopg2DatabaseWrapper
from ..fields import LocalizedField
def _get_backend_base():
"""Gets the base class for the custom database back-end.
@@ -153,7 +155,22 @@ class SchemaEditor(_get_schema_editor_base()):
*args, **kwargs
)
self._update_hstore_constraints(model, old_field, new_field)
is_old_field_localized = isinstance(old_field, LocalizedField)
is_new_field_localized = isinstance(new_field, LocalizedField)
if is_old_field_localized or is_new_field_localized:
self._update_hstore_constraints(model, old_field, new_field)
def create_model(self, model):
"""Ran when a new model is created."""
super().create_model(model)
for field in model._meta.local_fields:
if not isinstance(field, LocalizedField):
continue
self._update_hstore_constraints(model, field, field)
class DatabaseWrapper(_get_backend_base()):