operations.py 文件源码

def prepare_sql_script(self, sql):
        """
        Takes an SQL script that may contain multiple lines and returns a list
        of statements to feed to successive cursor.execute() calls.

        Since few databases are able to process raw SQL scripts in a single
        cursor.execute() call and PEP 249 doesn't talk about this use case,
        the default implementation is conservative.
        """
        try:
            import sqlparse
        except ImportError:
            raise ImproperlyConfigured(
                "sqlparse is required if you don't split your SQL "
                "statements manually."
            )
        else:
            return [sqlparse.format(statement, strip_comments=True)
                    for statement in sqlparse.split(sql) if statement]