
    9=i)                        S r SSKJr  SSKrSSKrSSKrSSKrSSKJr  SSK	Jr
JrJr  SS jrSS jrSS jrSS	 jrSS
 jr\S:X  a  \" \" 5       5      eg)zV
Lightweight similarity utilities: token-based cosine-like scoring using pure Python.
    )annotationsN)Counter)r   ListTuplec                b    [         R                  " SU R                  5       5      n[        U5      $ )Nz[a-zA-Z0-9]+)refindalllowerr   )textwordss     </Volumes/Common/QJoon/llm/wdmaker/tools/shared/similarity.pytokenizer      s"    JJ

5E5>    c                  ^ ^ T (       a  T(       d  g[        T R                  5       5      [        TR                  5       5      -  n[        U U4S jU 5       5      n[        R                  " [        S T R                  5        5       5      5      n[        R                  " [        S TR                  5        5       5      5      nUS:X  d  US:X  a  gX4U-  -  $ )N        c              3  :   >#    U  H  nTU   TU   -  v   M     g 7fN ).0wabs     r   	<genexpr>!cosine_counter.<locals>.<genexpr>   s     *6aadQqTk6s   c              3  *   #    U  H	  oU-  v   M     g 7fr   r   r   vs     r   r   r           4Aa%   c              3  *   #    U  H	  oU-  v   M     g 7fr   r   r   s     r   r   r      r   r   r   )setkeyssummathsqrtvalues)r   r   commondotmag_amag_bs   ``    r   cosine_counterr+      s    A]S]*F
*6*
*CIIc4445EIIc4445EzUaZ%-  r   c                   [        U 5      S:  a  / $ U  Vs/ s H  n[        U5      PM     nn/ n[        U5      n[        U5       H<  n[        US-   U5       H&  n[        X%   X&   5      nUR	                  XVU45        M(     M>     U$ s  snf )z0Return pairwise similarity scores (i, j, score).      )lenr   ranger+   append)textsttokensresultsnijscores           r   score_similarityr:       s    
5zA~	#()5ahqk5F),.GFA1Xq1uaA"69fi8ENNA%=) !  N *s   Bc                :    [        U 5      n[        S U 5       SS9$ )Nc              3  ,   #    U  H
  u    pUv   M     g 7fr   r   )r   _r9   s      r   r   !max_similarity.<locals>.<genexpr>0   s     0+!Qs   r   )default)r:   max)r2   scoress     r   max_similarityrB   .   s    e$F00#>>r   c                    [         R                  " SS9n U R                  SSSS9  U R                  5       n/ nUR                   HO  n[
        R                  " U5      nUR                  5       (       d  M0   UR                  UR                  SS95        MQ     [        U5      n[        SUS 35        g! [         a  n[        S	U S
U 35         S nAM  S nAff = f)Nz$Compute max similarity across files.)descriptionpaths*zText files to compare)nargshelpzutf-8)encodingzerror reading z: zmax_similarity=z.4fr   )argparseArgumentParseradd_argument
parse_argsrE   pathlibPathis_filer1   	read_text	ExceptionprintrB   )parserargsr2   path_strpathexcmss          r   _clirZ   3   s    $$1WXF
s1HIDEJJ||H%<<>>6T^^W^=>	  
	B	OBs8
$%	  6tfBse4556s   5B22
C<CC__main__)r   strreturnCounterType[str])r   r^   r   r^   r]   float)r2   	List[str]r]   zList[Tuple[int, int, float]])r2   r`   r]   r_   )r]   int)__doc__
__future__r   rJ   r$   rN   r   collectionsr   typingCounterTyper   r   r   r+   r:   rB   rZ   __name__
SystemExitr   r   r   <module>ri      sY    #    	  6 6
	!?
$ z
TV
 r   