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wordseg.py
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wordseg.py
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#! -*- coding:utf-8 -*-
import sys
import os
import re
#StopWordtmp = ['。', '，', '！', '？', '：', '“', '”', '‘', '’', '（', '）', '【', '】', '｛', '｝', '-', '－', '～', '［', '］', '〔', '〕', '．', '＠', '￥', '•', '.']
StopWordtmp = [' ', u'\u3000',u'\u3001', u'\u300a', u'\u300b', u'\uff1b', u'\uff02', u'\u30fb', u'\u25ce', u'\x30fb', u'\u3002', u'\uff0c', u'\uff01', u'\uff1f', u'\uff1a', u'\u201c', u'\u201d', u'\u2018', u'\u2019', u'\uff08', u'\uff09', u'\u3010', u'\u3011', u'\uff5b', u'\uff5d', u'-', u'\uff0d', u'\uff5e', u'\uff3b', u'\uff3d', u'\u3014', u'\u3015', u'\uff0e', u'\uff20', u'\uffe5', u'\u2022', u'.']
WordDic = {}
StopWord = []
span = 16
def InitStopword():
for key in StopWordtmp:
StopWord.append(key)
def InitDic(Dicfile):
f = file(Dicfile)
for line in f:
line = line.strip().decode('utf-8')
WordDic[line] = 1;
f.close()
print len(WordDic)
print "Dictionary has built down!"
def WordSeg(Inputfile, Outputfile, outputfile2):
f = file(Inputfile)
w = file(Outputfile, 'w')
w2 = file(Outputfile2, 'w')
for line in f:
line = line.strip().decode('utf-8')
senList = []
newsenList = []
tmpword = ''
for i in range(len(line)):
if line[i] in StopWord:
senList.append(tmpword)
senList.append(line[i])
tmpword = ''
else:
tmpword += line[i]
if i == len(line) - 1:
senList.append(tmpword)
#Pre
for key in senList:
if key in StopWord:
newsenList.append(key)
else:
tmplist = PreSenSeg(key, span)
for keyseg in tmplist:
newsenList.append(keyseg)
Prewriteline = ''
for key in newsenList:
Prewriteline = Prewriteline + key + ' '
Prewriteline = Prewriteline.strip(' ')
w.write(Prewriteline.encode('utf-8') + '\n')
#Post
newsenList = []
for key in senList:
if key in StopWord:
newsenList.append(key)
else:
tmplist = PostSenSeg(key, span)
for keyseg in tmplist:
newsenList.append(keyseg)
Postwriteline = ''
for key in newsenList:
Postwriteline = Postwriteline + key + ' '
Postwriteline = Postwriteline.strip(' ')
w2.write(Postwriteline.encode('utf-8') + '\n')
f.close()
w.close()
w2.close()
def PreSenSeg(sen, span):
post = span
if len(sen) < span:
post = len(sen)
cur = 0
revlist = []
while 1:
if cur >= len(sen):
break
s = re.search(u"^[0|1|2|3|4|5|6|7|8|9|\uff11|\uff12|\uff13|\uff14|\uff15|\uff16|\uff17|\uff18|\uff19|\uff10|\u4e00|\u4e8c|\u4e09|\u56db|\u4e94|\u516d|\u4e03|\u516b|\u4e5d|\u96f6|\u5341|\u767e|\u5343|\u4e07|\u4ebf|\u5146|\uff2f]+", sen[cur:])
if s:
if s.group() != '':
revlist.append(s.group())
cur = cur + len(s.group())
post = cur + span
if post > len(sen):
post = len(sen)
s = re.search(u"^[a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|\uff41|\uff42|\uff43|\uff44|\uff45|\uff46|\uff47|\uff48|\uff49|\uff47|\uff4b|\uff4c|\uff4d|\uff4e|\uff4f|\uff50|\uff51|\uff52|\uff53|\uff54|\uff55|\uff56|\uff57|\uff58|\uff59|\uff5a|\uff21|\uff22|\uff23|\uff24|\uff25|\uff26|\uff27|\uff28|\uff29|\uff2a|\uff2b|\uff2c|\uff2d|\uff2e|\uff2f|\uff30|\uff31|\uff32|\uff33|\uff35|\uff36|\uff37|\uff38|\uff39|\uff3a]+", sen[cur:])
if s:
if s.group() != '':
revlist.append(s.group())
cur = cur + len(s.group())
post = cur + span
if post > len(sen):
post = len(sen)
if (WordDic.has_key(sen[cur:post])) or (cur + 1 == post):
if sen[cur:post] != '':
revlist.append(sen[cur:post])
cur = post
post = post + span
if post > len(sen):
post = len(sen)
else:
post -= 1
return revlist
def PostSenSeg(sen, span):
cur = len(sen)
pre = cur - span
if pre < 0:
pre = 0
revlist = []
while 1:
if cur <= 0:
break
s = re.search(u"[0|1|2|3|4|5|6|7|8|9|\uff11|\uff12|\uff13|\uff14|\uff15|\uff16|\uff17|\uff18|\uff19|\uff10|\u4e00|\u4e8c|\u4e09|\u56db|\u4e94|\u516d|\u4e03|\u516b|\u4e5d|\u96f6|\u5341|\u767e|\u5343|\u4e07|\u4ebf|\u5146|\uff2f]+$", sen[pre:cur])
if s:
if s.group() != '':
revlist.append(s.group())
cur = cur - len(s.group())
pre = cur - span
if pre < 0:
pre = 0
s = re.search(u"^[a|b|c|d|e|f|g|h|i|j|k|l|m|n|o|p|q|r|s|t|u|v|w|x|y|z|A|B|C|D|E|F|G|H|I|J|K|L|M|N|O|P|Q|R|S|T|U|V|W|X|Y|Z|\uff41|\uff42|\uff43|\uff44|\uff45|\uff46|\uff47|\uff48|\uff49|\uff47|\uff4b|\uff4c|\uff4d|\uff4e|\uff4f|\uff50|\uff51|\uff52|\uff53|\uff54|\uff55|\uff56|\uff57|\uff58|\uff59|\uff5a|\uff21|\uff22|\uff23|\uff24|\uff25|\uff26|\uff27|\uff28|\uff29|\uff2a|\uff2b|\uff2c|\uff2d|\uff2e|\uff2f|\uff30|\uff31|\uff32|\uff33|\uff35|\uff36|\uff37|\uff38|\uff39|\uff3a]+", sen[pre:cur])
if s:
if s.group() != '':
revlist.append(s.group())
cur = cur - len(s.group())
pre = cur - span
if pre < 0:
pre = 0
if (WordDic.has_key(sen[pre:cur])) or (cur - 1 == pre):
if sen[pre:cur] != '':
revlist.append(sen[pre:cur])
cur = pre
pre = pre - span
if pre < 0:
pre = 0
else:
pre += 1
return revlist[::-1]
if __name__ == "__main__":
if len(sys.argv) != 5:
print("Usage: python wordseg.py Dicfile Inputfile Outfile")
Dicfile = sys.argv[1]
Inputfile = sys.argv[2]
Outputfile = sys.argv[3]
Outputfile2 = sys.argv[4]
InitDic(Dicfile)
InitStopword()
WordSeg(Inputfile, Outputfile, Outputfile2)