def main(args):
parser = argparse.ArgumentParser(
description='Dump relations from a database')
parser.add_argument(dest='url', help="database url")
# Ignore SIG_PIPE and don't throw exceptions on it
signal(SIGPIPE, SIG_DFL)
args = parser.parse_args(args)
database = load(args.url)
database.schema.dump_relations(sys.stdout)
database.disconnect()
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