<s> from tokenizer import * <EOL> import sys <EOL> import subprocess <EOL> import timeit <EOL> def write_word_ids_from_feature_counts ( featurefile , sep = None ) : <EOL> """<STR_LIT>""" <EOL> output = open ( "<STR_LIT>" , "<STR_LIT:w>" ) <EOL> wordcounts = dict ( ) <EOL> for line in featurefile : <EOL> ( bookid , word , count ) = line . split ( sep ) <EOL> count = int ( count ) <EOL> try : <EOL> wordcounts [ word ] += count <EOL> except KeyError : <EOL> wordcounts [ word ] = count <EOL> tuples = [ ( v , k ) for k , v in wordcounts . iteritems ( ) ] <EOL> tuples . sort ( ) <EOL> tuples . reverse ( ) <EOL> wordid = <NUM_LIT:0> <EOL> for ( count , word ) in tuples : <EOL> wordid += <NUM_LIT:1> <EOL> output . write ( "<STR_LIT:\t>" . join ( [ str ( wordid ) , word . replace ( "<STR_LIT:\\>" , "<STR_LIT>" ) , str ( count ) ] ) + "<STR_LIT:\n>" ) <EOL> def exportToDisk ( wordcounts , diskFile , keepThreshold = <NUM_LIT:5> ) : <EOL> """<STR_LIT>""" <EOL> commonwords = dict ( ) <EOL> for key in wordcounts . iterkeys ( ) : <EOL> if wordcounts [ key ] < keepThreshold : <EOL> key = key <EOL> output = key + "<STR_LIT:U+0020>" + str ( wordcounts [ key ] ) + "<STR_LIT:\n>" <EOL> diskFile . write ( output ) <EOL> else : <EOL> commonwords [ key ] = wordcounts [ key ] <EOL> return commonwords <EOL> logging . info ( "<STR_LIT>" ) <EOL> def WordsTableCreate ( maxDictionaryLength = <NUM_LIT> , maxMemoryStorage = <NUM_LIT> ) : <EOL> """<STR_LIT>""" <EOL> database = open ( '<STR_LIT>' , '<STR_LIT:w>' ) <EOL> start_time = timeit . default_timer ( ) <EOL> n = <NUM_LIT:1> <EOL> keepThreshold = <NUM_LIT:2> <EOL> wordcounts = dict ( ) <EOL> for row in sys . stdin : <EOL> for item in row . split ( "<STR_LIT:U+0020>" ) : <EOL> n += <NUM_LIT:1> <EOL> if n % <NUM_LIT> == <NUM_LIT:0> : <EOL> elapsed = timeit . default_timer ( ) - start_time <EOL> logging . info ( str ( float ( len ( wordcounts ) ) / <NUM_LIT> ) + "<STR_LIT>" + str ( float ( n ) / <NUM_LIT> ) + "<STR_LIT>" + str ( elapsed ) + "<STR_LIT>" ) <EOL> start_time = timeit . default_timer ( ) <EOL> item = item . rstrip ( "<STR_LIT:\n>" ) <EOL> try : <EOL> wordcounts [ item ] += <NUM_LIT:1> <EOL> except KeyError : <EOL> wordcounts [ item ] = <NUM_LIT:1> <EOL> while len ( wordcounts ) > maxMemoryStorage : <EOL> logging . info ( "<STR_LIT>" + str ( float ( len ( wordcounts ) ) / <NUM_LIT> ) + "<STR_LIT>" ) <EOL> wordcounts = exportToDisk ( wordcounts , diskFile = database , keepThreshold = keepThreshold ) <EOL> logging . info ( "<STR_LIT>" + str ( float ( len ( wordcounts ) ) / <NUM_LIT> ) + "<STR_LIT>" ) <EOL> if len ( wordcounts ) > <NUM_LIT> * float ( maxMemoryStorage ) : <EOL> keepThreshold = keepThreshold * <NUM_LIT:2> <EOL> logging . info ( "<STR_LIT>" + str ( keepThreshold ) ) <EOL> nothing = exportToDisk ( wordcounts , diskFile = database , keepThreshold = float ( "<STR_LIT>" ) ) <EOL> database . close ( ) <EOL> sortWordlist ( maxDictionaryLength = maxDictionaryLength ) <EOL> def sortWordlist ( maxDictionaryLength = <NUM_LIT> ) : <EOL> """<STR_LIT>""" <EOL> logging . info ( "<STR_LIT>" ) <EOL> subprocess . call ( [ "<STR_LIT>" ] , shell = True ) <EOL> logging . info ( "<STR_LIT>" ) <EOL> subprocess . call ( [ """<STR_LIT>""" ] , shell = True ) <EOL> subprocess . call ( [ "<STR_LIT>" ] , shell = True ) <EOL> oldids = set ( ) <EOL> oldids . add ( <NUM_LIT:0> ) <EOL> oldwords = dict ( ) <EOL> """<STR_LIT>""" <EOL> try : <EOL> i = <NUM_LIT:1> <EOL> oldFile = open ( "<STR_LIT>" ) <EOL> for line in oldFile : <EOL> line = line . split ( '<STR_LIT:\t>' ) <EOL> wid = int ( line [ <NUM_LIT:0> ] ) <EOL> word = line [ <NUM_LIT:1> ] <EOL> oldids . add ( wid ) <EOL> oldwords [ word ] = wid <EOL> i = i + <NUM_LIT:1> <EOL> if i > maxDictionaryLength : <EOL> oldFile . close ( ) <EOL> return <EOL> oldFile . close ( ) <EOL> except : <EOL> pass <EOL> newWords = set ( ) <EOL> newlist = open ( "<STR_LIT>" , "<STR_LIT:r>" ) <EOL> i = <NUM_LIT:1> <EOL> nextIDtoAssign = max ( oldids ) + <NUM_LIT:1> <EOL> counts = list ( ) <EOL> for line in newlist : <EOL> line = line . split ( "<STR_LIT:U+0020>" ) <EOL> word = line [ <NUM_LIT:0> ] <EOL> count = line [ <NUM_LIT:1> ] <EOL> try : <EOL> wordid = oldwords [ word ] <EOL> except KeyError : <EOL> wordid = nextIDtoAssign <EOL> nextIDtoAssign = nextIDtoAssign + <NUM_LIT:1> <EOL> counts . append ( "<STR_LIT:\t>" . join ( [ str ( wordid ) , word . replace ( "<STR_LIT:\\>" , "<STR_LIT>" ) , count ] ) ) <EOL> i = i + <NUM_LIT:1> <EOL> if i > maxDictionaryLength : <EOL> break <EOL> output = open ( "<STR_LIT>" , "<STR_LIT:w>" ) <EOL> for count in counts : <EOL> output . write ( count ) <EOL> subprocess . call ( [ "<STR_LIT>" , "<STR_LIT>" , "<STR_LIT>" ] ) <EOL> if __name__ == "<STR_LIT:__main__>" : <EOL> WordsTableCreate ( ) </s>
