View source for Python: File Stemming dengan Sastrawi

 import sys, getopt
 import argparse
 import os,nltk,os.path,re,string
 import argparse
 import Sastrawi
 
 from nltk.stem.porter import PorterStemmer
 from Sastrawi.Stemmer.StemmerFactory import StemmerFactory
 
 def parse_args():
     parser = argparse.ArgumentParser()
     parser.add_argument('-i', '--infile', default='', help='input filename')
     parser.add_argument('-o', '--outfile', default='', help='output filename')
     return parser.parse_args()
 
 def hanya_huruf( input ):
    r=re.match('^[a-zA-Z]+$', input)
    if r==None:
       return False
    else:
       return True
 
 def main():
     args = parse_args()
     outfile = args.outfile
     infile = args.infile 
 
     f = open(infile,"r")
     fcontent = f.read()
     lines = fcontent.split()
     f.close()
 
     factory = StemmerFactory()
     stemmer = factory.create_stemmer()
 
     f = open(outfile,"w")
     for word in lines:
       if hanya_huruf(word) and len(word)<20 and len(word)>1 and word!='Iing' :
          word = word.strip(string.punctuation).lower()
          word = stemmer.stem(word)
          if word not in nltk.corpus.stopwords.words('english'):
             if word not in nltk.corpus.stopwords.words('indonesian'):
                 f.write(word)
 		f.write(" ")
       else:
          pass
     f.close()

 main()