<s> import re <EOL> import io <EOL> import json <EOL> import string <EOL> from os . path import join , dirname <EOL> from collections import defaultdict <EOL> from acrylamid . views import View <EOL> from acrylamid . compat import iteritems <EOL> from acrylamid . helpers import joinurl <EOL> def commonprefix ( a , b ) : <EOL> """<STR_LIT>""" <EOL> pos = <NUM_LIT:0> <EOL> length = min ( len ( a ) , len ( b ) ) <EOL> while pos < length and a [ pos ] == b [ pos ] : <EOL> pos += <NUM_LIT:1> <EOL> return pos , b <EOL> def insert ( tree , word , refs ) : <EOL> node , prev = tree . setdefault ( word [ <NUM_LIT:0> ] , ( { } , ) ) , None <EOL> i = <NUM_LIT:0> <EOL> while i < len ( word ) - <NUM_LIT:1> : <EOL> try : <EOL> index , prefix = max ( commonprefix ( word [ i + <NUM_LIT:1> : ] , key ) for key in node [ <NUM_LIT:0> ] <EOL> if word [ i + <NUM_LIT:1> ] == key [ <NUM_LIT:0> ] ) <EOL> except ValueError : <EOL> index , prefix = <NUM_LIT:0> , None <EOL> if prefix and index == len ( prefix ) and index != len ( word [ i + <NUM_LIT:1> : ] ) : <EOL> prev , node = node , node [ <NUM_LIT:0> ] [ prefix ] <EOL> i += index <EOL> elif <NUM_LIT:0> < index < len ( prefix ) : <EOL> rv = node [ <NUM_LIT:0> ] . pop ( prefix ) <EOL> a , b = prefix [ : index ] , prefix [ index : ] <EOL> i += len ( a ) <EOL> node [ <NUM_LIT:0> ] [ a ] = ( { b : rv } , ) <EOL> node , prev = node [ <NUM_LIT:0> ] [ a ] , node <EOL> if i == len ( word ) - <NUM_LIT:1> : <EOL> prev [ <NUM_LIT:0> ] [ a ] = ( node [ <NUM_LIT:0> ] , refs ) <EOL> break <EOL> else : <EOL> node [ <NUM_LIT:0> ] [ word [ i + <NUM_LIT:1> : ] ] = ( node [ <NUM_LIT:0> ] . get ( word [ i + <NUM_LIT:1> : ] , ( { } , ) ) [ <NUM_LIT:0> ] , refs ) <EOL> break <EOL> def index ( entrylist ) : <EOL> """<STR_LIT>""" <EOL> tree , meta = { } , [ ] <EOL> words = defaultdict ( set ) <EOL> for num , entry in enumerate ( entrylist ) : <EOL> meta . append ( ( entry . permalink , entry . title ) ) <EOL> for word in re . split ( r"<STR_LIT>" , entry . content ) : <EOL> if len ( word ) < <NUM_LIT:3> : <EOL> continue <EOL> for i in range ( len ( word ) - <NUM_LIT:3> ) : <EOL> words [ word [ i : ] . lower ( ) ] . add ( num ) <EOL> for key , value in iteritems ( words ) : <EOL> insert ( tree , key , list ( value ) ) <EOL> del words <EOL> return tree , meta <EOL> class Search ( View ) : <EOL> def generate ( self , conf , env , request ) : <EOL> if not env . options . search : <EOL> raise StopIteration ( ) <EOL> tree , meta = index ( request [ '<STR_LIT>' ] ) <EOL> for i , entry in enumerate ( request [ '<STR_LIT>' ] ) : <EOL> yield io . StringIO ( entry . content ) , joinurl ( conf [ '<STR_LIT>' ] , self . path , '<STR_LIT:src>' , '<STR_LIT>' % i ) <EOL> with io . open ( join ( dirname ( __file__ ) , '<STR_LIT>' ) , encoding = '<STR_LIT:utf-8>' ) as fp : <EOL> javascript = fp . read ( ) <EOL> fp = io . StringIO ( ( javascript <EOL> . replace ( '<STR_LIT>' , json . dumps ( self . path ) ) <EOL> . replace ( '<STR_LIT>' , json . dumps ( meta ) ) ) ) <EOL> yield fp , joinurl ( conf [ '<STR_LIT>' ] , self . path , '<STR_LIT>' ) <EOL> for char in string . ascii_lowercase : <EOL> if char in tree : <EOL> fp = io . BytesIO ( ) <EOL> json . dump ( tree . pop ( char ) , fp ) <EOL> yield fp , joinurl ( conf [ '<STR_LIT>' ] , self . path , char + '<STR_LIT>' ) <EOL> fp = io . BytesIO ( ) <EOL> json . dump ( tree , fp ) <EOL> yield fp , joinurl ( conf [ '<STR_LIT>' ] , self . path , '<STR_LIT>' ) </s>
