³ò 3ÒÇIc@sÂddkZddkZddkZhdd<dd<dd<dd <d d <d d <dd<dd<dd<dd<dd<dd<dd<dd "you are" @type str: C{string} @param str: The string to be mapped @rtype: C{string} tt (tstringtsplittlowerRthas_key(Rtstrtwordstword((s$/p/zhu/06/nlp/nltk/nltk/chat/util.pyt _substitute5s cCs‡ti|dƒ}xn|djo`ti||d|d!ƒ}|| |i|i|ƒƒ||d}ti|dƒ}qW|S(Nt%iii(RtfindtatoiR!tgroup(Rtresponsetmatchtpostnum((s$/p/zhu/06/nlp/nltk/nltk/chat/util.pyt _wildcardsFscCs£xœ|iD]‘\}}|i|ƒ}|ooti|ƒ}|i||ƒ}|ddjo|d d}n|ddjo|d d}n|Sq q WdS(s¤ Generate a response to the user input. @type str: C{string} @param str: The string to be mapped @rtype: C{string} iŝ˙˙˙s?.t.s??t?N(RR'trandomtchoiceR*(RRtpatternR&R'tresp((s$/p/zhu/06/nlp/nltk/nltk/chat/util.pytrespondPs ##tquitcCsŒd}x||joq|}ytdƒ}Wntj o |GHnX|o5x |ddjo|d }qQW|i|ƒGHq q WdS(NRt>i˙˙˙˙s!.(t raw_inputtEOFErrorR1(RR2tinput((s$/p/zhu/06/nlp/nltk/nltk/chat/util.pytconversehs #(t__name__t __module__RR!R*R1R7(((s$/p/zhu/06/nlp/nltk/nltk/chat/util.pyR s    (RR R-RtobjectR (((s$/p/zhu/06/nlp/nltk/nltk/chat/util.pys s$