escape.py 文件源码

def escape_param(item):
    if item is None:
        return 'NULL'

    elif isinstance(item, datetime):
        return "'%s'" % item.strftime('%Y-%m-%d %H:%M:%S')

    elif isinstance(item, date):
        return "'%s'" % item.strftime('%Y-%m-%d')

    elif isinstance(item, string_types):
        return "'%s'" % ''.join(escape_chars_map.get(c, c) for c in item)

    elif isinstance(item, (list, tuple)):
        return "[%s]" % ', '.join(text_type(escape_param(x)) for x in item)

    elif isinstance(item, Enum):
        return item.value

    elif isinstance(item, UUID):
        return "'%s'" % str(item)

    else:
        return item