提取关键词写入文件

.gitignore

@@ -3,3 +3,4 @@ data/news.db
 data/news.json
 data/title.json
 data/cutnews
+data/inversedata

ml/InverseIndex.py

@@ -44,7 +44,7 @@ class InverseIndex:
 			count+=1
 			for w in seg_list:
 				if w not in self.worddict:
-					self.worddict[w] = []	
+					self.worddict[w] = []
 				if w not in self.stopword:
 					print w,
 					self.worddict[w].append(count)
@@ -87,14 +87,20 @@ class InverseIndex:
 
 	#calculate tf-idf
 	def CalcTFIDF(self):
-		docArray = self.loadDataFromCutFile(100)
+		docArray = self.loadDataFromCutFile(10000)
 		vectorizer = CountVectorizer()
 		transformer = TfidfTransformer()
 		tfidf = transformer.fit_transform(vectorizer.fit_transform(docArray))
 		print 'done'
+		#write index-doc to file
+		i = 0
+		indexdoc = dict()
+		f = open(Global.inverse_dir+'id.txt','wb')
 		for name in vectorizer.get_feature_names():
-			print name
-
+			i+=1
+			indexdoc[i] = name
+		f.write(json.dumps(indexdoc))
+		
 #test
 ii = InverseIndex()
 ii.CalcTFIDF()

test/test_tool.py

@@ -0,0 +1,8 @@
+import sys
+sys.path.append("..")
+from tools.show import show
+
+s = show()
+#s.showcount()
+#s.shownews(1)
+s.showKeyWord()

tools/Global.py

@@ -3,6 +3,6 @@ title_dir = project_root+"data/title.json"
 content_dir=project_root+"data/news.json"
 db_dir = project_root+"data/news.db"
 stopword_dir=project_root+"data/stopword.txt"
-inverse_dir=project_root+"data/inversedata"
-cutnews_dir=project_root+"data/cutnews"
+inverse_dir=project_root+"data/inversedata/"
+cutnews_dir=project_root+"data/cutnews/"
 filesize = 100

tools/show.py

@@ -36,3 +36,13 @@ class show:
 		print "-->",data['time'],data['title'],data['url'],data['content']
 
 	
+	def showKeyWord(self):
+		f = open(Global.inverse_dir+'id.txt','r')
+		line = f.readline()
+		data = json.loads(line)
+		print 'load keyword done.'
+		print type(data)
+		for k in data.keys():
+			print k,data[k]
+
+