ÎÒÓÃchardetÀ´¼ì²âÎļþµÄ±àÂ룬±È·½ËµÎÒÖªµÀËüµÄ±àÂëÊÇ"gb2312"£¬ÎÒÏëÒÔgb2312À´¶ÁÈ¡ÎļþÖеÄÒ»ÐУ¬»òÒ»¸ö×Ö·û£¨¶ø²»ÊÇÒ»¸ö×Ö½Ú£©¡£
ÇëÎÊÔõÑù²ÅÄÜ×öµ½¡£
дxmlʱÊÇ¿ÉÒÔÓÃcodecs.lookupÀ´ÕÒµ½¶ÔÓ¦±àÂëµÄstream writer£¬ÊDz»ÊÇÎÒÒ²ÐèÒªÓõ½codecs²ÅÄÜÍê³É£¬Èç¹ûÊǸÃÔõô×ö£¿
»òÕß»¹ÓÐÆäËû·½·¨£¿
лл¡£
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一般用codecs.open 用指定的编码打开文件，没有试过打开之后，以不同的编码读取不同的行

On 11/7/07, clfff. peter <clfff.peter在gmail.com> wrote:
> 我用chardet来检测文件的编码，比方说我知道它的编码是"gb2312"，我想以gb2312来读取文件中的一行，或一个字符（而不是一个字节）。
> 请问怎样才能做到。
> 写xml时是可以用codecs.lookup来找到对应编码的stream
> writer，是不是我也需要用到codecs才能完成，如果是该怎么做？
> 或者还有其他方法？
> 谢谢。
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ÓÐûÓа취»ñÈ¡ÈÎÒâ±àÂëµÄÒ»¸ö×Ö·û£¨²»ÊÇÒ»¸ö×Ö½Ú£©£¿

ÔÚ07-11-7£¬Dreamingk(Ìì³É) <dreamingk在gmail.com> дµÀ£º
>
> Ò»°ãÓÃcodecs.open ÓÃÖ¸¶¨µÄ±àÂë´ò¿ªÎļþ£¬Ã»ÓÐÊÔ¹ý´ò¿ªÖ®ºó£¬ÒÔ²»Í¬µÄ±àÂë¶ÁÈ¡²»Í¬µÄÐÐ
>
> On 11/7/07, clfff. peter <clfff.peter在gmail.com> wrote:
> > ÎÒÓÃchardetÀ´¼ì²âÎļþµÄ±àÂ룬±È·½ËµÎÒÖªµÀËüµÄ±àÂëÊÇ"gb2312"£¬ÎÒÏëÒÔgb2312À´¶ÁÈ¡ÎļþÖеÄÒ»ÐУ¬»òÒ»¸ö×Ö·û£¨¶ø²»ÊÇÒ»¸ö×Ö½Ú£©¡£
> > ÇëÎÊÔõÑù²ÅÄÜ×öµ½¡£
> > дxmlʱÊÇ¿ÉÒÔÓÃcodecs.lookupÀ´ÕÒµ½¶ÔÓ¦±àÂëµÄstream
> > writer£¬ÊDz»ÊÇÎÒÒ²ÐèÒªÓõ½codecs²ÅÄÜÍê³É£¬Èç¹ûÊǸÃÔõô×ö£¿
> > »òÕß»¹ÓÐÆäËû·½·¨£¿
> > лл¡£
> > _______________________________________________
> > python-chinese
> > Post: send python-chinese在lists.python.cn
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> >
>
>
> --
> Dreamingk (tc, Ìì³É)
>    dreamingk(at)gmail.com
>    http://python.cn
> Exoweb (±±¾©ÐùÔ¯»¥¶¯¿Æ¼¼ÓÐÏÞ¹«Ë¾)
> Python, I love this language.
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s=u'a'
len(s)
 len(s)ÔõôÊÇ1£¬¶ø²»ÊÇ2£¿ÎÒÓõÄÊÇuǰ׺£¬Ó¦¸ÃÊÇunicode°É£¿Ôõô»ØÊ£¿


ÔÚ07-11-7£¬clfff. peter <clfff.peter在gmail.com> дµÀ£º
>
> ÓÐûÓа취»ñÈ¡ÈÎÒâ±àÂëµÄÒ»¸ö×Ö·û£¨²»ÊÇÒ»¸ö×Ö½Ú£©£¿
>
> ÔÚ07-11-7£¬Dreamingk(Ìì³É) <dreamingk在gmail.com> дµÀ£º
> >
> > Ò»°ãÓÃcodecs.open ÓÃÖ¸¶¨µÄ±àÂë´ò¿ªÎļþ£¬Ã»ÓÐÊÔ¹ý´ò¿ªÖ®ºó£¬ÒÔ²»Í¬µÄ±àÂë¶ÁÈ¡²»Í¬µÄÐÐ
> >
> > On 11/7/07, clfff. peter < clfff.peter在gmail.com> wrote:
> > >
> > ÎÒÓÃchardetÀ´¼ì²âÎļþµÄ±àÂ룬±È·½ËµÎÒÖªµÀËüµÄ±àÂëÊÇ"gb2312"£¬ÎÒÏëÒÔgb2312À´¶ÁÈ¡ÎļþÖеÄÒ»ÐУ¬»òÒ»¸ö×Ö·û£¨¶ø²»ÊÇÒ»¸ö×Ö½Ú£©¡£
> > > ÇëÎÊÔõÑù²ÅÄÜ×öµ½¡£
> > > дxmlʱÊÇ¿ÉÒÔÓÃcodecs.lookupÀ´ÕÒµ½¶ÔÓ¦±àÂëµÄstream
> > > writer£¬ÊDz»ÊÇÎÒÒ²ÐèÒªÓõ½codecs²ÅÄÜÍê³É£¬Èç¹ûÊǸÃÔõô×ö£¿
> > > »òÕß»¹ÓÐÆäËû·½·¨£¿
> > > лл¡£
> > > _______________________________________________
> > > python-chinese
> > > Post: send python-chinese在lists.python.cn
> > > Subscribe: send subscribe to
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> > > Detail Info:
> > > http://python.cn/mailman/listinfo/python-chinese
> > >
> >
> >
> > --
> > Dreamingk (tc, Ìì³É)
> >    dreamingk(at)gmail.com
> >    http://python.cn
> > Exoweb (±±¾©ÐùÔ¯»¥¶¯¿Æ¼¼ÓÐÏÞ¹«Ë¾)
> > Python, I love this language.
> > _______________________________________________
> > python-chinese
> > Post: send python-chinese在lists.python.cn
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On 11/7/07, clfff. peter <clfff.peter在gmail.com> wrote:
> s=u'a'
> len(s)
>
> len(s)怎么是1，而不是2？我用的是u前缀，应该是unicode吧？怎么回事？
>
只有一个'a'当然是一个长度你，你觉得应该是多长，为什么？你的根据是什么？

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²»ºÃÒâ˼£¬ÊÇÎÒ×Ô¼º¸ã´íÁË¡£
ÁíÍâÎÊһϣ¬pythonÄÚ²¿µÄunicodeÀàÐ͵ÄÊý¾ÝÊDz»ÊÇÓëÎÒÃÇͨ³£ËµµÄ"utf-16"ÍêÈ«²»Ïà¹Ø£¿
ÁíÍ⣬ÎÒÈç¹ûÏëÒª¼ìÑéÒ»¸öÈÎÒâ±àÂëµÄ×Ö´®ÖÐÊÇ·ñº¬ÓÐijЩ±êµã£¬ÊDz»ÊÇ¿ÉÒÔÓÃÏÂÃæµÄ²½Ö裺
1¡¢detect±àÂëÀàÐÍ£¨ÓÃchardet£©
2¡¢×ª»»ÎªpythonµÄunicodeÀàÐÍ£¨ÓÃdecode£©£¬×ª»»ºóµÄ×Ö´®£ºustr
3¡¢ÓÃused_seps=[u"\n",u"\r",
u"?",u"!",u";",u":",u".",u"'",u'"',¡£¡£¡£¡£¡£]À´¼ìÑéÊÇ·ñustrÖк¬ÓÐijЩ±êµã¡£
²»ÖªÉÏÃæµÄ·½·¨ÊÇ·ñÓÐʲôÎÊÌ⣿

лл¡£


ÔÚ07-11-7£¬limodou <limodou在gmail.com> дµÀ£º
>
> On 11/7/07, clfff. peter <clfff.peter在gmail.com> wrote:
> > s=u'a'
> > len(s)
> >
> > len(s)ÔõôÊÇ1£¬¶ø²»ÊÇ2£¿ÎÒÓõÄÊÇuǰ׺£¬Ó¦¸ÃÊÇunicode°É£¿Ôõô»ØÊ£¿
> >
> Ö»ÓÐÒ»¸ö'a'µ±È»ÊÇÒ»¸ö³¤¶ÈÄ㣬Äã¾õµÃÓ¦¸ÃÊǶ೤£¬ÎªÊ²Ã´£¿ÄãµÄ¸ù¾ÝÊÇʲô£¿
>
> --
> I like python!
> UliPad <>: http://code.google.com/p/ulipad/
> meide <>: http://code.google.com/p/meide/
> My Blog: http://www.donews.net/limodou
> _______________________________________________
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On Nov 8, 2007 9:41 AM, clfff. peter <clfff.peter在gmail.com> wrote:

> ²»ºÃÒâ˼£¬ÊÇÎÒ×Ô¼º¸ã´íÁË¡£
> ÁíÍâÎÊһϣ¬pythonÄÚ²¿µÄunicodeÀàÐ͵ÄÊý¾ÝÊDz»ÊÇÓëÎÒÃÇͨ³£ËµµÄ"utf-16"ÍêÈ«²»Ïà¹Ø£¿
> ÁíÍ⣬ÎÒÈç¹ûÏëÒª¼ìÑéÒ»¸öÈÎÒâ±àÂëµÄ×Ö´®ÖÐÊÇ·ñº¬ÓÐijЩ±êµã£¬ÊDz»ÊÇ¿ÉÒÔÓÃÏÂÃæµÄ²½Ö裺
> 1¡¢detect±àÂëÀàÐÍ£¨ÓÃchardet£©
> 2¡¢×ª»»ÎªpythonµÄunicodeÀàÐÍ£¨ÓÃdecode£©£¬×ª»»ºóµÄ×Ö´®£ºustr
> 3¡¢ÓÃused_seps=[u"\n",u"\r",
> u"?",u"!",u";",u":",u".",u"'",u'"',¡£¡£¡£¡£¡£]À´¼ìÑéÊÇ·ñustrÖк¬ÓÐijЩ±êµã¡£
> ²»ÖªÉÏÃæµÄ·½·¨ÊÇ·ñÓÐʲôÎÊÌ⣿
>
> лл¡£
>
Python 3.0ÒѾ­¶¼ÊÇunicodeÁË¡£
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ÔÚ07-11-9£¬Ben Luo <benluo在gmail.com> дµÀ£º
>
>  Python 3.0ÒѾ­¶¼ÊÇunicodeÁË¡£
> >
> Õâ¾ä»°ÊÇʲôÒâ˼ÄØ£¿



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3的str基本和2的unicode等价
新增bytes类型,bytes和str之间的操作必须显式转换
详细的去看3.0的文档就好


在 07-11-9，clfff. peter<clfff.peter在gmail.com> 写道：
> 在07-11-9，Ben Luo <benluo在gmail.com> 写道：
> >
> >
> > >
> > > Python 3.0已经都是unicode了。
> >
>
> 这句话是什么意思呢？
>
>
>
> > _______________________________________________
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