django1/django/core/management/commands/sqlflush.py

26 lines
946 B
Python

from django.core.management.base import BaseCommand
from django.core.management.sql import sql_flush
from django.db import DEFAULT_DB_ALIAS, connections
class Command(BaseCommand):
help = (
"Returns a list of the SQL statements required to return all tables in "
"the database to the state they were in just after they were installed."
)
output_transaction = True
def add_arguments(self, parser):
super().add_arguments(parser)
parser.add_argument(
'--database', default=DEFAULT_DB_ALIAS,
help='Nominates a database to print the SQL for. Defaults to the "default" database.',
)
def handle(self, **options):
sql_statements = sql_flush(self.style, connections[options['database']], only_django=True)
if not sql_statements and options['verbosity'] >= 1:
self.stderr.write('No tables found.')
return '\n'.join(sql_statements)