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ner_servers.py
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ner_servers.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
title= ""
author= "huangtw"
mtime= 2017-06-27
"""
from flask import Flask,request
import ner_service as n_service
import json
import numpy as np
app = Flask(__name__)
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
dict={"LOC":"Location","PER":"Person","ORG":"Organization"}
class Item(object):
# 定义静态变量实例
def __init__(self):
self.start = -1
self.end = -1
self.text = ""
self.type = ""
self.score = 0
def to_string(self):
dict = {}
dict["start"] = self.start
dict["end"] = self.end
dict["text"] = self.text
#print "val-repr-text", repr(dict["text"])
dict["type"] = self.type
dict["score"] = self.score
str = json.dumps(dict, False, False, indent=4)#.encode("utf-8")
return str
class Singleton(object):
# 定义静态变量实例
__singleton = None
def __init__(self):
pass
@staticmethod
def get_instance():
if Singleton.__singleton is None:
word_to_id, tag_to_id, id_to_tag, sess, model = n_service.create_instance()
Singleton.__singleton = word_to_id, tag_to_id, id_to_tag, sess, model
return Singleton.__singleton
@app.route("/")
def hello():
import time
s = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))
return "Hello World!\n%s"%(s)
@app.route('/ner')
def ner():
key = 'text'
val = request.args.get(key)
word_to_id, tag_to_id, id_to_tag, sess, model = Singleton.get_instance()
batch = n_service.get_batch_manager(id_to_tag, tag_to_id, val, word_to_id)
with sess.as_default():
ner_results = model.predict2(sess, batch)
labels = []
datas = []
for i, ret in enumerate(ner_results):
strs = ret.split(" ")
labels.append(strs[1])
datas.append(strs[0])
results = []
for i in range(len(datas)):
if labels[i] == "O":
results.append(datas[i])
else:
results.append(datas[i]+labels[i])
ret2 = " ".join(results)
ret = "key:%s <br> <h4>value:%s</h4> "%(val, ret2)
return ret
@app.route('/ner_text')
def ner_text():
key = 'text'
val = request.args.get(key)
print "val-repr", repr(val)
type = request.args.get('type')
word_to_id, tag_to_id, id_to_tag, sess, model = Singleton.get_instance()
batch = n_service.get_batch_manager(id_to_tag, tag_to_id, val, word_to_id)
with sess.as_default():
ner_results = model.predict2(sess, batch)
datas = []
val = val.encode('utf-8')
# print "val-len", len(val)
idx = 0
is_flag = False
item = {}
for i, ret in enumerate(ner_results):
strs = ret.split(" ")
label = strs[1]
data = strs[0].encode('utf-8') #中文3个,英文1个
# print "label", label
if label.startswith("B"):
item = Item()
# print "label[2:]",label[2:]
#print "type",dict[label[2:]]
item.type = dict[label[2:]]
item.start = idx
is_flag = True
idx += len(data)
elif label.startswith("I"):
idx += len(data)
elif is_flag and label.startswith("O"):# 遇到O结束了
#idx += len(data)
item.end = idx
is_flag = False
text = val[item.start:idx]
item.text = text
#print "text-mid", text
# print "start", item.start, "end", idx, "text", text
datas.append(item.to_string())
idx += len(data)
else:
idx += len(data)
if is_flag:
item.end = idx
text = val[item.start:idx]
# print "start2", item.start, "end", idx, "text", text
item.text = text
#print "text-end",text
# print json.dumps(item)
datas.append(item.to_string())
# d = {}
# d["dict"] = datas
# ret = json.dumps(datas)
ret = ",".join(datas)
ret = "{\"docs\":[%s]}"%(ret)
print "ret", ret
return ret
@app.route('/ner_text_prob')
def ner_text_prob():
key = 'text'
val = request.args.get(key)
print "val-repr", repr(val)
word_to_id, tag_to_id, id_to_tag, sess, model = Singleton.get_instance()
batch = n_service.get_batch_manager(id_to_tag, tag_to_id, val, word_to_id)
with sess.as_default():
ner_results = model.predict_probility(sess, batch)
datas = []
val = val.encode('utf-8')
# print "val-len", len(val)
idx = 0
is_flag = False
item = {}
for i, ret in enumerate(ner_results):
strs = ret.split(" ")
label = strs[1]
data = strs[0].encode('utf-8') #中文3个,英文1个
# print "label", label
if label.startswith("B"):
item = Item()
item.type = dict[label[2:]]
item.start = idx
item.score = float(strs[2])
is_flag = True
idx += len(data)
elif label.startswith("I"):
idx += len(data)
item.score *= float(strs[2])
elif is_flag and label.startswith("O"):# 遇到O结束了
#idx += len(data)
item.end = idx
is_flag = False
text = val[item.start:idx]
item.text = text
item.score = np.power(item.score, float(1.0/len(text.decode('utf-8'))))
# print "text-mid-size", len(text.decode('utf-8'))
# print "start", item.start, "end", idx, "text", text
datas.append(item.to_string())
idx += len(data)
else:
idx += len(data)
if is_flag: # 每一个score都计算了的
item.end = idx
text = val[item.start:idx]
# print "start2", item.start, "end", idx, "text", text
item.text = text
item.score = np.power(item.score, float(1.0/len(text.decode('utf-8'))))
datas.append(item.to_string())
# d = {}
# d["dict"] = datas
# ret = json.dumps(datas)
ret = ",".join(datas)
ret = "{\"docs\":[%s]}"%(ret)
print "ret", ret
return ret
if __name__ == "__main__":
app.run(host='XXXX', port=5005)