support user defined word tag

jieba/__init__.py

@@ -11,7 +11,7 @@ import random
 
 FREQ = {}
 total =0.0
-
+user_word_tag_tab={}
 
 def gen_trie(f_name):
 	lfreq = {}
@@ -191,9 +191,16 @@ def load_userdict(f):
 	if isinstance(f, (str, unicode)):
 		f = open(f, 'rb')
 	content = f.read().decode('utf-8')
+	line_no = 0
 	for line in content.split("\n"):
+		line_no+=1
 		if line.rstrip()=='': continue
-		word,freq = line.split(" ")
+		tup =line.split(" ")
+		word,freq = tup[0],tup[1]
+		if line_no==1:
+			word = word.replace(u'\ufeff',u"") #remove bom flag if it exists
+		if len(tup)==3:
+			user_word_tag_tab[word]=tup[2].strip()
 		freq = float(freq)
 		FREQ[word] = log(freq / total)
 		p = trie

jieba/posseg/__init__.py

@@ -27,6 +27,9 @@ prob_emit = load_model("prob_emit.py")
 char_state_tab = load_model("char_state_tab.py")
 word_tag_tab = load_model("../dict.txt")
 
+if jieba.user_word_tag_tab:
+	word_tag_tab.update(jieba.user_word_tag_tab)
+
 class pair(object):
 	def __init__(self,word,flag):
 		self.word = word

test/test_userdict.py

@@ -0,0 +1,16 @@
+#encoding=utf-8
+import sys
+sys.path.append("../")
+import jieba
+jieba.load_userdict("userdict.txt")
+import jieba.posseg as pseg
+
+test_sent = "李小福是创新办主任也是云计算方面的专家"
+words = jieba.cut(test_sent)
+for w in words:
+	print w
+
+result = pseg.cut(test_sent)
+
+for w in result:
+	print w.word, "/", w.flag, ", ",  

test/userdict.txt

@@ -0,0 +1,3 @@
+云计算 5
+李小福 2 nr
+创新办 3 i