creation.py 文件源码

def destroy_test_db(self, old_database_name=None, verbosity=1, keepdb=False, number=None):
        """
        Destroy a test database, prompting the user for confirmation if the
        database already exists.
        """
        self.connection.close()
        if number is None:
            test_database_name = self.connection.settings_dict['NAME']
        else:
            test_database_name = self.get_test_db_clone_settings(number)['NAME']

        if verbosity >= 1:
            action = 'Destroying'
            if keepdb:
                action = 'Preserving'
            print("%s test database for alias %s..." % (
                action,
                self._get_database_display_str(verbosity, test_database_name),
            ))

        # if we want to preserve the database
        # skip the actual destroying piece.
        if not keepdb:
            self._destroy_test_db(test_database_name, verbosity)

        # Restore the original database name
        if old_database_name is not None:
            settings.DATABASES[self.connection.alias]["NAME"] = old_database_name
            self.connection.settings_dict["NAME"] = old_database_name