#!/usr/bin/env python
# -*- coding: utf-8  -*-
#将xml的wiki数据转换为text格式

import logging
import os.path
import sys

from gensim.corpora import WikiCorpus

if __name__ == '__main__':
    program = os.path.basename(sys.argv[0])#得到文件名
    logger = logging.getLogger(program)

    logging.basicConfig(format='%(asctime)s: %(levelname)s: %(message)s')
    logging.root.setLevel(level=logging.INFO)
    logger.info("running %s" % ' '.join(sys.argv))

    if len(sys.argv) < 3:
        print globals()['__doc__'] % locals()
        sys.exit(1)

    inp, outp = sys.argv[1:3]
    space = " "
    i = 0

    output = open(outp, 'w')
    wiki =WikiCorpus(inp, lemmatize=False, dictionary=[])#gensim里的维基百科处理类WikiCorpus
    for text in wiki.get_texts():#通过get_texts将维基里的每篇文章转换位1行text文本，并且去掉了标点符号等内容
        output.write(space.join(text) + "\n")
        i = i+1
        if (i % 10000 == 0):
            logger.info("Saved "+str(i)+" articles.")

    output.close()
    logger.info("Finished Saved "+str(i)+" articles.")
    



