Source code for

# Copyright (C) 2022  The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU Affero General Public License version 3, or any later version
# See top-level LICENSE file for more information

A Django Management Command to rename existing Django Applications.

Adapted from

import logging

from import BaseCommand
from django.db import connection

logger = logging.getLogger(__name__)

[docs] class Command(BaseCommand): help = ( "Renames a Django Application. Usage rename_app [old_app_name] [new_app_name]" )
[docs] def add_arguments(self, parser): parser.add_argument("old_app_name", nargs=1, type=str) parser.add_argument("new_app_name", nargs=1, type=str)
[docs] def handle(self, old_app_name, new_app_name, *args, **options): with connection.cursor() as cursor: old_app_name = old_app_name[0] new_app_name = new_app_name[0] try: cursor.execute( "SELECT * FROM django_content_type " f"where app_label='{new_app_name}'" ) has_already_been_ran = cursor.fetchone() if has_already_been_ran: "Renaming app %s to %s has already been done, exiting without " "making any changes", old_app_name, new_app_name, ) return None cursor.execute( f"UPDATE django_content_type SET app_label='{new_app_name}' " f"WHERE app_label='{old_app_name}'" ) cursor.execute( f"UPDATE django_migrations SET app='{new_app_name}' " f"WHERE app='{old_app_name}'" ) except Exception as e: "Error while trying to rename app %s to %s: %s", old_app_name, new_app_name, str(e), ) return None