python转换字符集详解编程语言

def URLtoUTF8(string): 
    """""" 
    g_code_type = ['utf-8', 'utf8', 'gb18030', 'gb2312', 'gbk', 'ISO-8859-2'] 
    try: 
        tmp = urllib.unquote(str(string)) 
        code = chardet.detect(tmp)['encoding'] 
        try: 
            g_code_type.index(code.lower()) 
            tmp = tmp.decode(code) 
        except: 
            try: 
                tmp = tmp.decode('utf8') 
            except: 
                tmp = tmp.decode('gb18030') 
    except: 
        tmp = json.dumps(string) 
        tmp = tmp.replace(u'"','') 
        pass 
    tmp = tmp.replace(u'/xa0',' ') 
    return tmp