详解crifan的Python库：crifanLib.py

2.5. 字符编码相关的函数

#------------------------------------------------------------------------------
# depend on chardet
# check whether the strToDect is ASCII string
def strIsAscii(strToDect) :
    isAscii = False;
    encInfo = chardet.detect(strToDect);
    if (encInfo['confidence'] > 0.9) and (encInfo['encoding'] == 'ascii') :
        isAscii = True;
    return isAscii;
        

if(not strIsAscii(extractedBlogUser)) :
    # if is: http://hi.baidu.com/资料收集
    # then should quote it, otherwise later output to WXR will fail !
    extractedBlogUser = urllib.quote(extractedBlogUser);