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Django rename app management command
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| import argparse | |
| from django.core.management.base import BaseCommand | |
| from django.db import connection | |
| class Command(BaseCommand): | |
| help = 'Renames app. Usage rename_app [old_name] [new_name] [classes ...]' | |
| def add_arguments(self, parser): | |
| # Positional arguments | |
| parser.add_argument('old_name', nargs=1, type=str) | |
| parser.add_argument('new_name', nargs=1, type=str) | |
| parser.add_argument('models', nargs=argparse.REMAINDER, type=str) | |
| def handle(self, old_name, new_name, models, *args, **options): | |
| with connection.cursor() as cursor: | |
| # Rename model | |
| old_name = old_name[0] | |
| new_name = new_name[0] | |
| cursor.execute("UPDATE django_content_type SET app_label='{}' WHERE app_label='{}'".format(new_name, old_name)) | |
| cursor.execute("UPDATE django_migrations SET app='{}' WHERE app='{}'".format(new_name, old_name)) | |
| for model in models: | |
| cursor.execute("ALTER TABLE {old_name}_{model_name} RENAME TO {new_name}_{model_name}".format( | |
| old_name=old_name, new_name=new_name, model_name=model)) |
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